Groundfloor Energy

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Pt general knowledge. II

• What is the relationship slimming?

Columns used for construction a certain value called the carrying crippling or buckling loadthe during which the column bends or loops, but does not break. The actual length of the column is the length of an equivalent column of the same material and cross section of the articulated and ends with the value of the crushing burden equal that of the column. The least radius of gyration is the radius of gyration where every moment of inertia is considered. The report of the effective length the least radius of gyration is called the slenderness of the column.

• WHAT The peculiarity Temple Square?

The Square du Temple, Utah is a very religious place for members of the Church of Jesus Christ Saints Latter Days. It is symbolic of the holy orders or agreements that take place to the Mormons, the Gospel of Jesus is not complete without the temples of the Temple Square is special because it reminds of sacrifices by the Mormon pioneers who had built. It is also the headquarters of the Church of Jesus Christ of Latter-day Saints.

• Who discovered the rings of Saturn's?

Christian Huygens, Dutch physicist and astronomer, has discovered that Saturn has rings. He also discovered Titan, Saturn's moon.

• IS THERE IS a magnet with one pole?

Magnets found in nature and those made by man, are found to have two poles, without exception. In contrast, Electric charges can be separated from each other. Several experiments to detect magnetic monopoles have not been conclusive.

• What was the first hot-air team, it occurred?

In the late eighteenth century two French paper makers, the brothers of Mount golfer, began experimenting with hot air balloons. On October 15, 1783, a French scientist, Francis de Rozier became the first person to make a balloon ascent. It rises to a height of 80 m in a balloon made by golfers Mont.

• WHAT VSAT acronym?

VSAT Very Small Aperture Terminal means. VSAT nodes are networked, using an antenna for a geostationary satellite. VSAT technology is used for transmission of information and is extremely popular in services banking and finance, and manufacturing of composite connecting government offices.

• DID YOU OFBUCKYBALLS heard?

Buck balls are microscopic spheres of 60 carbon atoms that resemble a dome. They have holes big enough to contain other atoms - molecules, even full. Unless heated to very high, the contents of cavities does not come out. This has enormous potential in the fields of medicine, mechanics miniature battery technology and high quality materials.

• WHAT Nuclear Winter "Is"?

"Nuclear winter" is used to describe the result of a nuclear explosion caused a nuclear war or a nuclear accident. The impact of the blast was so devastating that unquantifiable amounts of dust and smoke would be released in the stratosphere. This would block the sun's energy reaching the earth's surface, reducing the temperature. The duration of this effect would be determined by the intensity of the explosion. "Nuclear winter" that threatens the existence of life on Earth.

• HOW gas lighter WORK?

Some crystalline materials (like quartz, | Rochelle salt and some ceramics) have piezoelectric behavior. When you apply pressure to them, you get a charge separation in the crystal and a voltage across the crystal that is sometimes very high. For example, in a barbecue lighter, the popping noise you hear is a little spring hammer hitting a crystal and generating thousands volts across the faces of the crystal. A voltage this high is identical to the tension that causes a spark plug in a gasoline engine. Crystal voltage can generate a spark that ignites the gas in Nice rack.

• HOW ABOUT A PILOT Towards a destination that flies?

Pilots rely heavily on computerized controls and with the assistance of autopilot and flight management computer, guide the aircraft along their route. They are followed by the air traffic control stations pass along the road. They check regularly their fuel supply, the condition of their engines and air conditioning, hydraulic and other systems. Pilots may request a change of altitude or route if circumstances require.

• WHAT TYPE OF HEALING DID PIONEER DR Edward Bach?

Dr. Edward Bach developed a kind of healing therapy called flower remedy. This deals primarily mental and emotional manifestations of the disease, based on the administration of remedies from parts of flowering plants. Dr. Bach considered a total of 38 remedies sufficient to treat the most common negative moods that afflict humanity. After his death, numerous appeals have been added and now the total is greater than 200. He felt that the actions were divinely rich.

• Why do people feel THAT THE air is fresh after the rain?

People living in cities like Mumbai, Delhi and Bangalore are related to the impression that the air is fresh after the first heavy showers of the monsoon. Because the cradles to descend from heaven harm, gases like sulfur dioxide carbon monoxide, etc. These monsoon showers However, the first because many newly planted saplings in these cities.

• The filament of a light bulb is heated to temperatures very HIGH. HOW TO DO IT BUM?

The filament bum because the bulb is filled with an inert gas as argon and nitrogen. Oxygen is required for any burning.

• WHAT Asteroids are?

• Who invented the bicycle?

The first known patent for a machine that resembled a bicycle has been given to John Theson in 1645. It had four wheels and was led by two men. The first two-wheeled machine was invented by a French Baron Karl Drais of (Baron von Drais) in 1818. But he did not taken away. What caught on the bike was invented by a blacksmith, Kirkpatrick Macmillan of Scotland.

• How do forests help to prevent flooding?

A major reason for flooding is soil erosion area near THD banks

River. Forests play a dense cluster of trees. Tree roots retain soil and prevent erosion. There is So important that trees should not be cut indiscriminately, especially near the banks of rivers.

• Do volcanic explosions and earthquakes occur in OCEANS too?

The waves that we see in the seas and oceans are mainly caused by air currents. The size of waves depends on wind speed and for how long the wind blew. And ebb tides are caused by the attraction of the moon (and to some extent, the attraction of the sun) on the water. Mighty waves like tsunamis are caused by earthquakes earth beneath the surface of the water in seas and oceans.

• WHAT is the viscosity?

Viscosity is a property seen in the fluid that offers resistance to a body moving through them. It is equivalent to friction. Whenever body falls in a viscous fluid, it reaches a terminal velocity or constant velocity due to viscous force which balances gravity.

• WHY IT is that we can walk more easily on the wet sand than dry sand?

Have not you meet the laws of movement of Newton? Everyone goes into a state of rest or uniform dynamic, unless forced to do otherwise impressed by (external) force. Walking is possible because the land on which we walk offers some resistance. Assuming that the resistance is equal to zero, the foot is placed in front will continue to move forward and you'll fall. Even the dry sand provides some resistance. That's why you can walk on it, if you pay attention. Wet sand offers a higher resistance and, therefore, you can walk more easily on the wet sand.

• WHAT IS retro-rocket?

Newton's first law governing the movement of a spacecraft traveling in space: It continues travel at a uniform speed. Since there is no reaction in space, a retro-rocket fired in the direction opposite to that of the movement, reduces the speed of the spacecraft.

• TORQUEWRENCH WHAT?

• An otolaryngologist is a doctor. What's SPECIALIZED IN?

An ENT is a doctor who specializes in problems of the ear, nose and throat (ENT). Myocardial infarction is the technical term for ...? Single application liquid nitrogen to destroy the warts.

• What is the wind chill factor?

Wind chill is the rate of loss of body heat due to air movement. In plain language, a strong wind, it can be much colder than the temperature ambient. Paul Siple coined the term in 1939 during an expedition to Antarctica.

• What is eutrophication?

The process by which water becomes fed either by the natural process of maturation or artificial processes.

• WHAT Done is a diamond?

A 100 million tears ago, when the Earth cooled carbon deposits have been exposed to extreme heat and pressure by molten rock. These deposits crystallized to form the diamond mines. Furthermore, the diamond is the hardest material known to mankind. If yes, then how is the diamond cut in various shapes for use in jewelry? Saws with diamond dust cut diamond. More than 80 percent of diamonds are used in the industry itself.

• WHAT IS A RE-entry vehicles?

Each time a spacecraft back to earth, he encounters enormous friction of the atmosphere which generates heat. To ensure the safety of astronauts and expensive equipment, the ship is safe in using the material heat resistant. Scientists from the former Soviet Union were the first to deploy a successful reentry vehicles in the sixties.

• WHAT What is ozone?

Ozone is the allotrope of oxygen. It is used in water purification and treatment of gangrene. Its presence in the upper atmosphere is critical because it absorbs energetic ultraviolet radiation. The industrial pollution and automobile resulted in the depletion of this molecule to save lives and is a cause for concern among experts environment.

• WHAT hydroponics?

Hydroponics is often defined as the growing plants in water. Since many aggregates or media for plant growth over the definition has been expanded to read culture plants without soil growers use hydroponic techniques due to lack of water supply or fertile farmland. Home gardeners have used to develop new year-round to grow vegetables and plants in small spaces. Greenhouses and nurseries grow their plants in a soilless, peat or a mixture of bark increasingly based on.

• WHAT IS sidereal time?

A sidereal year is the time it takes the sun to move from a position relative to a fixed star and back to same position again, as observed in the same place on Earth. This is the equivalent of 365 days, 6 hours, 9 minutes and 11 seconds.

• WHY the ball is called the poor satellite MAN?

Unlike hot air balloons, which are used in sport, filled with hydrogen is used for scientific purposes, metrological and military. They can carry payloads of several tons. They are widely used for astronomical observations, in particular to study the X-ray emission of stars.

• WHAT Coriolis Force?

Whenever a body moves on a circular path, it experiences a centripetal force toward the center of the circle. If you walk into a bus that takes a turn, an additional force acting on you. This is called the Coriolis force, a force that emanates from two simultaneous movements of one body.

• WHO Is the Father of gas-filled lamps?

Irving Langmuir studied the chemical reactions at high temperature and low pressure. One result of this research was the development of gas lamps.

• WHAT IS THE DIFFERENCE BETWEEN AN ATOM AND A NUCLEAR BOMB9

Nuclear bombs are two types - those that depend on fission, such as atomic bombs, and those who depend on the merger, such as hydrogen bombs. The former get their energy explosive division of atoms in materials such as uranium or plutonium, which takes place automatically. On the other hand, hydrogen bombs, which are also known as thermonuclear bombs, depending on the merger and of atoms, is also under way in our sun, to release quantities much larger energy than the atomic bombs. The merger requires very high temperatures, atomic bombs are therefore generally used as triggers for hydrogen bombs. Thus, each atom bomb is a nuclear bomb, but every nuclear bomb is a bomb Atomic.

• WHAT IS THE DIFFERENCE BETWEEN Hurricane, Hurricane, Tornado and Twister?

Technically, a cyclone is a kind of circular wind storm. But now it is only used to describe a strong tropical storm off the coast of India. Hurricanes and typhoons are the same, but in different places. On the coast of Florida, it is called a hurricane. In the Philippines it is called typhoon. Hurricanes occur in the Atlantic and typhoons in the Pacific. Basically, hurricanes and typhoons form over water and are huge, while the form on the Earth and tornadoes are much smaller in size. A tornado is a violent storm characterized by a twisting motion of the funnel clouds. For U.S. Twister is used as a slang term for aa tornado.

• WHEN DO FEEDBACK happen?

Resonance occurs when two or more objects naturally vibrate at the same frequency and the sound produced by an object, causes the other to vibrate. String columns or air tuned to vibrate at particular frequencies due to the generation of music. Resonance can be destructive too. Manufacture of individual pieces can resonate damage Bridges. This happens when a strong wind or a mechanized army convoy passes over.

• DID YOU KNOW WHAT HAPPENS WHEN PARTICLES CLASH ANTI?

Each elementary particle is known to have a particle with of anti contrary. Whenever the two meet, they annihilate each other and give energy twice the mass of the particles.

• Who discovered the piezo-Electric? "

modern kitchens are equipped with piezo lighters. Certain substances produce current when subjected to pressure. Pierre Curie, husband of Mary and co-discoverer of radium, was the discoverer piezoelectricity.

• WHAT is inertia?

1. It is owned a body to remain in a state of rest or uniform motion unless requested by an outside agency. It is believed that the mass of a body is the total measure its inertia. Scientists are conducting experiments to distinguish between man inertial and gravitational mass.

• Who designed the exact nature of planetary motion?

Johannes Kepler, German astronomer, designed great laws of planetary motion. After 17 years of observation, Kepler found that the orbits of planets around the sun are ellipses and not circles.

• WHY Quarks IMPORTANT?

"Three quarks for muster the brand," said James Joyce. Indeed, three fuses quarks together to form nucleons: protons and neutrons that make the atomic nucleus. Quarks are considered the building blocks of matter.

• LOCATION HAVE TRANSURANIC found?

transuranic elements are not found in nature but were created artificially in the laboratory. They represent the atomic number 93-109, set after the last stable element, uranium.

• How the name of De CONNECTED Broglie wavelength?

1. In modern physics, wave-particle duality of the microscopic world continues to fight scientists. The light is made of waves, but it can also be described as consisting of tiny particles called photons. A subatomic particle can be described as having properties of waves. De Broglie, French physicist, was the first to give a formula for the "wavelength" of the particle.

• WHY The robot is called so?

The word comes from the Slavic "Robota7, meaning compulsory labor. Robots are used in hazardous environments. Now, robots have also been fueled by artificial intelligence.

• WHAT PARAFILAX?

1. Parallax is the apparent displacement of an astronomical object due to the change in the field observers. The fact that we observe the stars from the surface of the earth instead of its center of geocentric parallax causes any heliocentric parallax occurs because the observation is performed from the earth and not from the sun. In modern photography, the term is used to describe the difference between the views of an object through a lens of the camera and a view through a separate viewfinder.

• Who is the missile test center most of the world?

Poker Flat Research Range (PFRR) is the largest in the world, launching rockets land. It has a chain of control flight downrange, observation stations and recovery of Alaska Spitzbergen in the Arctic Ocean. Poker Flat is a facility for launching sounding rockets 30 miles north of Fairbanks used for auroral and middle for Atmospheric Research higher. The Geophysical Institute of the University of Alaska Fairbanks, it operates.

• How forests help prevent flooding?

A major reason for flooding is soil erosion area near the banks of the River. F'orests a dense cluster of trees. Tree roots keep the soil and prevent erosion. It is therefore important that the trees should not be cut indiscriminately, especially near the banks of rivers.

• WHY NOBEL prize are given only in Norway and another country?

The Nobel Prizes were founded by Alfred Nobel, Norwegian chemist, engineer and industrialist.

• Why some space between the rails on the track?

You must have learned at school that heat expands and cold contracts. This means that, because of the heat, all organs expansion. (There are rare EXFOR this expansion, a little space is left between the rails.

• How is the instrument measuring the intensity of earthquakes calibrated?

The Richter scale is used to measure the magnitude an earthquake. Magnitude is a measure of the size of an earthquake, but rather than being a direct measure of the intensity of the shock, it is a reflection of the strength of the seismic waves emitted by the earthquake, a phenomenon that can be detected at great distance the epicenter of the earthquake. Like an earthquake magnitude can be determined only

by routine measurements performed by seismometers, the scale has become an important measure commonly recorded on the seismograms. The scale is logarithmic - This means that The differentiating factor-10 in the energy of earthquake corresponds to a real difference to a whole number on the scale.

• WHAT are sunspots?

The dark spots on the sun's surface are called sunspots. These areas are places to sudden changes in the magnetic environment or "magnetic storms. They appear darker in contrast to surrounding areas hence the name.

• WHY IS tractor exhaust of a curved upward PIPE?

As the exhaust of an automobile are hot and tend to rise upward, an upward bending of pipe is the most natural form, hello to a tractor, the driver's seat is directly behind the engine and usually open. Thus, a back-bending exhaust pipe lay the exhaust directly to the driver. The rear of a tractor is wider than its engine. Even a side exit exhaust curved pipe will have the same effect. As an agricultural tractor has various accessories and a trailer, the exhaust pipe can be extended behind its tires on the underside of the chassis. A tractor works primarily on a terrain that could damage an exhaust pipe protruding into the bottom of the chassis.

• What is the fuel cell technology?

Fuel cell technology uses the fuel cell, a device for electrochemical energy conversion. A fuel cell converts hydrogen and oxygen in water, and in the process it produces electricity with a fuel cell, chemicals constantly flow into the cell so that never goes dead - as long as there is a flow of chemicals into the cell, the electricity flows out of the cell. Most fuel cells the hydrogen used today and oxygen as the chemicals.

• What is the cause of delay of satellite communications?

Communications satellites are usually geosynchronous. In other words, these satellites have the same period of revolution such as Earth - 24 hours. To achieve this objective, the launch of the satellite at an altitude of 36,000 km from the earth. The messages sent through radio waves, this distance Travel to and fro. Radio waves are transmitted at the speed of light, about 3 lakh km per second. Therefore, approximately one quarter of one second is lost in traversing the distance between Earth and the satellite.

• What contribution Luis ALVAREZ DID MAKE to modern science?

The American physicist developed the linear accelerator in 1946 which earned him the Nobel Prize in 1968. He and his son, Walter, first suggested that mass extinctions around the Jurassic - including the dinosaurs, was caused by the impact of a large space object.

• WHAT Caving?

It is the science that explores and studies caves found below the surface earth.

• WHAT particle wave duality?

In classical physics, all phenomena physical light, ie. reflection on a glass surface, refraction through a prism, interference when two or more sources of light have been established and diffraction, the bending of light along the edge of an object, could be explained by the theory of waves. But this description is not valid for the microscopic world. In modern physics, light is made of discrete packets of energy.

• WHAT faraday cage?

The Faraday cage, also known as a Faraday shield or screen, is a network son of parallel connected to a common conductor at one end to provide electrostatic shielding without affecting electromagnetic waves. Driver is usually common ground. It reduces an electrostatic field, designed to prevent the passage of electromagnetic waves, either by contain or exclude them from its interior. It is named after physicist Michael Faraday, who built the first in 1836.

• WHAT is a plane without a pilot?

A pilotless aircraft, usually a MAV (Micro Air Vehicle), is one that is programmed to go somewhere or do something on its own initiative, or is remotely piloted aircraft from the ground. Most UAVs are rather small. Pilotless aircraft used for dangerous jobs, such as espionage or to explore new places with a camera that transmits data to the ground. They can be very useful because many are killed or accident, and save the life of a real pilot.

• WHERE IS THE FIRST INDIA STATION electricity located?

4-5 megawatts of power station hydroelectric, near the tomb Sivasamudram Cauvery in Karnataka was the first major power plant in India. Owned by a small number of firms British, it was established by General Electric of the United States. It was commissioned in 1902, and its output was mainly designed for mining Kolar Gold, located about 90 miles away much smaller plants began operating earlier in different parts of India. The first small hydroelectric plant, a 130-kilowatt, began operating in 1897, in Darjeeling.

• WHY THE VENUS hottest planet Even Though Mercury is closest to the Sun?

The degree of heat of the planet depend as much proximity to the Sun than its atmosphere. Carbon dioxide tends to absorb heat, increasing the temperature. the atmosphere of Mercury must contains no carbon dioxide (because of which all the heat is reflected back to space). Venus contains a high percentage of carbon dioxide for which he is the hottest world.

• It IS true that the Sahara desert EXPANDS half a mile south of each year?

In the 1970s and 1980s, it was reported that the Sahara desert was expanding southward at a speed of 5 km per year. But during the last decade AUC NOAA weather satellites has been observed that this "desertification" is a myth. No so serious as previously suspected. The deserts reflect much of the incoming solar radiation from the earth to the vegetation (day without clouds). satellites measure the radiation reflected every day, from which the type of land cover or greenness can be inferred. Analysis these data for several years, it was observed that the Sahara was not expanding.

• IT IS True the Sahara desert stretches for half a mile each year?

It is true that the Sahara Desert is expanding, but not only a half-mile. It is expanding at a rate of 30 miles to the south a year! His leg is engulfing degraded grasslands. Because of the extreme heat, vegetation of the area is endangered, which means more of desertification. Thus, each year, the region of the Sahara desert is increasing and scientists are working on methods to stop or reduce the rapid change. They say that if this continues, the whole of Africa will in a desert one day. Global warming is also a major threat to the expansion of the Sahara.

• What is the smallest ATOMIC particle under?

The smallest particle is the quark, the basic building block of hadrons. There are two types of hadrons: baryons (three quarks) and mesons (quark, an antiquark). Protons and neutrons are baryons stable. There are also leptons, a family of elementary particles that includes electrons, muons, tau, and neutrinos. Neutrinos were originally estimated to have zero mass, but they were found to have a mass very small, smaller than any subatomic particle. Hadron head Calling someone "is considered an insult by physicists.

• WHAT IS Kuiper Belt?

The Kuiper Belt is a disk-shaped belt of billions of small icy bodies orbiting the sun beyond Neptune's orbit, often at distances of 30-50 times the distance from Earth to the Sun. Modern computer simulations show Kuiper belt to have been strongly influenced by Jupiter and Neptune.

• WHAT is a "nuclear winter"?

The theory of nuclear winter, proposed by scientists in 1983 and later established by the U.S. National Research Council in 1984, states that if only half of the collective nuclear weapons in Russia and the United States were to explode, they would have to release this enormous dust, smoke and soot in the atmos-phere that the sun would be completely blocked. This will continue until these clouds and the temperature adjusted accordingly, the Earth would fall, creating a period of abnormal cold and darkness. A nuclear winter is also believed likely after a nuclear war. essential life processes such as photosynthesis would also fatally affected, endangering plant and animal life.

• Why a tractor HIGH EXHAUST PIPE BENT?

As the exhaust of an automobile are hot and tend to rise upward, a pipe bent upwards is the most natural form, Hi tractor, the driver's seat is directly behind the engine and generally open. Thus, a back-bending pipe lay the exhaust gas exhaust directly to the driver. The rear of a tractor is wider than its engine. Even tailpipe Lateral curved pipe has the same effect. As an agricultural tractor has various accessories and a trailer, the exhaust pipe can be extended behind his back tires on the underside of the chassis. A tractor works primarily on terrain that could damage an exhaust pipe projecting down from the chassis.

• WHAT A fuel cell?

Cell Technology Fuel uses the fuel cell, a device for electrochemical energy conversion. A fuel cell converts hydrogen and oxygen in water, and in the process it produces electricity with a fuel cell, chemicals constantly flow into the cell so it never goes dead - as long as there is a flow of chemicals into the cell, the electricity flows out of the cell. Most cells hydrogen fuel and oxygen use today as chemicals.

• What is the difference between the iron and steel?

The difference is the proportion of carbon, the main alloying element. These irons containing less than 2% carbon steels are known, while those containing more carbon than 2% are known to melt. The cast is made from iron before processing with coke in a blast furnace. This cast is then transformed to reduce the carbon content in different ovens for steel. These steels can be processed to obtain alloy steels, stainless steels by adding elements such as silicon, manganese, chromium, nickel, etc.

• WHAT is the crush depth and how to measure it?

Crush depth or collapse is the submerged depth Ocean in which a submarine will collapse from the surrounding water pressure. A submarine hull is normally constructed of steel or alloy steel to increase the depth of diving submarines. This is normally mathematically calculated, but it is not always accurate.

• WHAT M-theory?

String theory is currently the most promising candidate for a unified theory. He describes free particles as vibrations of the strings in space and solves the problem of

incompatibility these two fundamental theories (GR & QTF). There are, however, five different string theories. The M-Theory is a theory that all five theories of strings are only different aspects. The M-Theory is a theory in 11 dimensions that looks 10 dimensional at some points in its parameter space. Such a theory could have been as fundamental a membrane, as opposed to a string.

• WHAT ARE Milankovitch cycles?

The Pleistocene period in the history of the Earth, 1.8 million years to about 10,000 years, has undergone profound changes in the climate of the earth, characterized by repeated glacial and interglacial events. There were fewer than 30 glacial intervals during this period. Milutin Milankovitch Serbian mathematician and astronomer, calculated in the early 1930s that the parameters of the orbit of the Earth has changed with frequencies of about 1,000.00 to 20,000 years. They were responsible for variations in solar radiation received from the surface causing glacial interglacial climate change. Exploration the ocean floor since the 1960s has identified the frequencies above and given due Milankovitch.

• WHAT Milankovitch cycles?

Astronomer Milutin Milankovitch developed the mathematical formulas on which the orbital variations are based. He theorized that when parts are cyclically combined and produce at the same time, they are responsible for major changes in climate Earth (even ice ages). A 1976 study published in the journal Science examined sediment cores from deep water and found the Milankovitch theory corresponded to periods of climate change. Indeed, glacial periods have occurred when the earth was passing through various steps of the orbital variation.

o When the first space shuttle launched?

The first Space Shuttle Columbia was launched into space April 12, 1981, landing at Edward Air Force Base, California April 14, 1981. Officially it is called the Space Transportation System (STS) and it was the first reusable spacecraft. These shuttles to carry payloads of scientific experiments, etc.

• WHICH Location on earth has ever received precipitation?

The Atacama Desert, located between the ocean Pacific and the Andes of northern Chile has not had rain in recorded history together. Consisting of salt

basins, sand and lava flows, it lacks the vegetation or animal life. The landscape is desolate

and lunar and was used to simulate the surface the moon in some experiments. The weather station in the desert Quillagua recorded an average annual rainfall of only 0.5 mm during 1964-2001.

• WHAT are CFCs? How are they responsible for the depletion of the ozone layer?

THERE is a layer of ozone in the area of 10 km to 50 km above the surface of the earth. The ozone layer protects life on earth from ultraviolet radiation sun damage. SWC for chlorofluorocarbons used in refrigeration, air conditioning, aerosols, etc. When these gases rise in the atmosphere and reach the ozone layer they destroy. Over the last decade, in particular, the debate took place again and again on this issue and steps have been taken to rectify the situation. Many countries have agreed to end the use and production of chloro-fluoro-carbons for refrigeration or air conditioning.

• I read that Sun will become a red giant after eating its supply hydrogen. What will happen to the sun after this phase?

YES, according to astronomers, the Sun is about 5 billion years; It is expected that millet Sun consume all the hydrogen in it and become a red giant. It will be so great, so it will engulf even the planets around her. Then there will be nuclear reactions, involving the abundance of helium in the (formed from hydrogen) and the heavier elements. Therefore, it becomes a white dwarf, a star of small radius. It is estimated that the radius will be a hundred times smaller than the present radius. Slowly it will lose its brightness and become a black dwarf. But stop worrying. It will take at least five billion years for that to happen.

• DIAMOND and coal are both carbon. So why does SHINE Only diamond?

Diamond is carbon in its pure form and consists of a single element as coal. But there is a difference. Diamonds are formed at locations at least 120 km beneath the surface of the earth under the enormous pressure of the rocks and the crust above them. It is true that diamonds have been found in higher levels, below the surface of the earth. But it is believed that they too were originally formed deep below and moved to more points due to soil erosion or glacial action. It Diamonds are also black. They are not used as "jewels, but they are useful in the manufacture of cutting tools in the industry.

• What is there between the Earth and Mars?

Surrounding the earth is its atmosphere. Then there is space. Again your approaches Mars, it must pass through the atmosphere around Mars. Unlike the moon, Mars has an atmosphere.

• What is the alternative oil? Where will we meet our energy needs when the exhaustion of oil resources?

Described above is one of these resources: solar energy. Cars that run on batteries ^, charged by exposure to sunlight, exist. You should be aware that nuclear reactors are also in place around the world. Many scientists have expressed the possibility use hydrogen as fuel. We are yet to find an inexpensive way to separate hydrogen from water, which has two hydrogen atoms and one oxygen atom in its molecule. In the Netherlands and Denmark, the power is generated from wind turbines. In Countries like. Japan, power is produced on a small scale tidal waves. Hopefully the next generation learn to respond to its needs power.

• Why no gravitational force on the Moon?

The moon has gravity too. Strength gravity exerted by a body depends on its mass. The gravitational pull of the moon is about one-sixth the gravitational pull of the earth.

• WHAT Mach number?

The Mach number, aerodynamics and fluid mechanics, is the relationship between the speed of an object in a fluid (gas or liquid) to the speed of sound in the fluid. The Mach number is named after the physicist and Austrian philosopher Ernst Mach. A plane traveling at less than Mach 1 is traveling at subsonic speeds, at about Mach 1, transonic, or about the speed of sound, and greater than Mach 1 at supersonic speeds.

• WHAT Mach numbers?

• What is the Chandrashekar limit?

The maximum limit of 1.44 times the solar mass (or mass of the sun) a star at the end of his life as a white dwarf star, is known as the Chandrashekar limit. This is the basic principle for determining the future a star after the red giant phase. The stars of a mass more than 1.44 times the solar mass through supernova explosions and end of life as neutron stars or black holes. This limit was discovered by the S Indian astrophysicist

Chandrashekar and hence It was named after him.

o What is planetary albedo?

planetary albedo is the fraction of light incident reflected by a surface. A shiny surface, like ice or snow, has a very high albedo (near 1, which represents a reflection total), while a dark surface, such as coal or soot, has a very low. albedo (near 0, representing complete absorption). In the solar system, the Moon, which has a bare, rocky surface, has an average albedo of 0.12 (12 percent reflects the light striking). The Earth, which is partly covered cloud has a average albedo of 0.37, while the albedo of Venus, which is completely covered with clouds, is O.65.

• What is the Chandrasekhar limit?

In the 1930s Subramanya Chandrasekhar, now recognized as the founder of relativistic astrophysics, the important question: What happens to a star once it has burned all its nuclear fuel? Chadrasekhar answer is that it depends on the nuclear mass burned behind. If the mass of the core (mind you, not the mass of the star that shines) is less than 1.4 times the mass of the sun, the heart of retiring as a white dwarf star. Immediately above this limit, eg up to three times the solar mass, Linux will become a neutron star. If the mass of the nucleus is even higher, a black hole is formed. In a regular Shining Star, the gravitational force is balanced by nuclear reactions. White dwarf and neutron stars, by quantum forces complex. In a black hole, gravity dominates. For pioneering work of Chandrasekhar belatedly received the Nobel Prize for Physics in 1983.

• How many people have set foot on the moon?

Only twelve people have walked the moon oh, each on a single mission. Nobody has walked on the lunar surface since 1972. Astronauts are lucky: Neil Armstrong Edwin Aldrin, Charles Conrad, Alan Bean, Alan Shepard, Edgar Mitchell, David Scott, James Irwin, John Young, Charles Duke, Eugene Cernan and Harrison Schmitt.

• Is a ray of visible light in a vacuum?

No, the rays of light can not be seen in a vacuum. When a ray of light entering a closed room by a dark opening, the light is scattered by dust particles suspended in the air and thus we see the path of the ray Indeed, we see the dust particles falling substance that can diffuse the light. This explains the dark in space although there are many sources of light. We can see that the light sources and objects that fall into the beam path.

• On what principle does an altimeter?

There are basically two types of altimeters altimeters and pressure altimeters. Pressure altimeters are calibrated aneroid barometers to indicate altitude instead of pressure. It is based on the principle the drop in air pressure with a gain of height. The capsules corrugated inside the box to grow with a gain in height. This expansion is amplified with the aid of gears and levers to move the indicator on the dial. The sea level pressure 1013.2 millibars, or an average 29.92 inches of mercury which is considered zero altitude and there is a decrease of 1 millibar for every 32 feet (approximately) gain in height. The instrument is calibrated accordingly to indicate the loss / gain of pressure in terms of height gained or lost. Depending on the setting of pressure or a given, the instrument reads Altitude (above MSL) or absolute height above sea level (above ground level - AGL). A radio altimeter radar is an effective aid is only 20 feet to 2500 feet It is mainly used as a system of ground proximity warning in mountainous terrain.

o WHAT ARE pseudohalogens?

Pseudohalogens are groups formed by the combination of two or more elements of the block P (in the periodic table) with a unit of negative charge, such as CN-(CN Minus) cyanide group a combination of carbon and nitrogen with the positive charge or zero. They are called pseudohalogens where they form covalent compounds, complex similar to halogen group elements of the 17th century to the periodic table. They differ from halogens such they are capable of polymerizing unlike halogens and their complexes are paramagnetic.

• HOW MANAGING THE INTERNATIONAL SPACE STATION its water and needs oxygen?

The ISS Environmental Control and Life Support System (ECLSS) allows water and oxygen management for astronauts. The system of recycling water ECLSS (WRS) retrieves Waste water fuel cell of the shuttle, urine, from oral hygiene and hand washing, and condensation of moisture air. Without such careful recycling 40,000 pounds per year of water from Earth would be required to supply a minimum of four crew members for the life of the station. The main source of oxygen is water electrolysis, followed by oxygen in a pressurized storage tank. The hydrogen from water splitting on the left is vented into space. In physical media ECLSS, there is a machine that combines hydrogen with excess carbon dioxide from the air in a chemical reaction that produces water and methane.

• HOW IS CREATED Zero Gravity on earth?

conditions result in zero gravity weightlessness and the body begins to float in a confined space. A more precise term is microgravity or a C-9B aircraft reduced gravity of NASA and Zero Gravity Corporation Boeing 727 modified to create these conditions by flying long parabolic arcs. By changing the flight path, they are able to create different values of G-Force and therefore different degrees of severity apparent. More people are aware of these conditions in anticipation of space tourism or adventure.

• WHAT Is the name of the tenth planet?

The tenth planet in the outer solar system was discovered recently. At present there is about 97 times farther from the Sun than the Earth and is the most distant object known in the solar system. Mike Brown (California Institute of Technology) with colleagues Chad Trujillo (Gemini Observatory in Hawaii) and David Rabinowitz (Yale University) has discovered. It goes under the temporary name of 2003UB313, a new name has been proposed to the International Astronomical Union.

• WHAT EFFECT DOES ocean currents on Earth's climate?

Ocean water and currents affect the climate. Because it takes more energy to change the temperature of water than land or air, the water warms and cools more slowly than either. Consequently, inland climates are subjected to temperature ranges of the most extreme coastal climates, which are isolated by water nearby. surface layer of the ocean, surface currents, so spend a lot of heat, absorbs more than half the heat that reaches the earth from the sun. The currents that originate near the equator are warm, the currents that flow from the poles are cold.

• Why do stars twinkle at night?

Stars appear to twinkle or change their luster over time. In fact, most stars shine with a constant light. The movement of air (turbulence sometimes called) in the atmosphere of Earth causes the starlight to get slightly bent as it moves from the star far through the atmosphere for us on the ground. Part of the light reaches us directly, but some are slightly bent. This gives the illusion of twinkling. Stars closer to the horizon appear to twinkle more than others. This is because the atmosphere is more more dense near the horizon between earth and biggest star in the sky.

• How do we know of the existence planets MILLION miles from the U.S.?

Planets like Pluto to the edge of our solar system can be viewed and photographed by powerful optical telescopes. distant planets outside the solar system, many light years from our Sun, can not be captured, even by telescopes at high resolution. planets orbiting close to a Big stars can exert traction on very low gravity the parent star. This causes an oscillation minute rotation of the parent star can be detected by highly sensitive monitors spectroscope. The existence of the planet can be viewed only indirectly.

• HOW TO astronauts in space?

• HOW IS simulated weightlessness?

Simulated weightlessness while remaining in the force of gravity of the earth is achieved in a manner similar to that of a artificial satellite. When a body moves in a circular path, centrifugal force acting he feels about her. This force points radially outwards and depends both the speed and radius of the trajectory. Given this factor, if an aircraft flies on a trajectory arc of a circle, then passengers experience a centrifugal force pointing away from the earth. At a certain speed, this force exactly counterbalances gravity and weightlessness experience of passengers or the severity zero.

• How many satellites are currently revolving around the Earth?

Although nothing in the orbit Earth is technically a satellite, the term is generally used to describe a useful object in orbit purposely to perform a mission or a specific task. Approximately 23,000 items of space debris objects were inadvertently placed in orbit or have outlived their usefulness are floating above Earth. The actual number varies depending on the organization is counting. Pay the expenses that go into wrong orbit, satellites rundown batteries and the remains of rockets all contribute to the count. This number is roughly 26,000.

• WHY Do some people have red eyes in photographs?

Light, usually from a camera flash, between the subject's eyes and returns in goal. The red color comes from the color of the retina is lined blood vessels. To avoid the eyes red, the feedback loop of the light must be stopped. The most effective way is to use indirect lighting or offscreen causing the reflection from the eye to deviate from '^ the lens. Another treatment is to reduce the size of the pupils of your subject's eyes, preventing syndrome rebound. Therefore, some of fire one or more camera models pre-flashes before taking a picture the lightnings are small for dealing with the eyes to bright light, the decline in pupil size.

• What is the composition of sand?

1. Sand is a non-cohesive, granular material that comes loose rocks as a result of attrition by more pieces of rock water or wind in favorable weather. The composition of the sand depends on the bedrock, the most common minerals are silica and feldspar. Less common are iron minerals. The silica is in the form of quartz and feldspar is composed of plagioclase. Additional mineral fragments are rare and include muscovite, chlorite, epidote, garnet and zircon. Some deposits of sand may contain magnetite, glauconite or gypsum. Magnetite-rich sands are dark, while those that are rich in gypsum have a green tint.

• Where does the monsoon WORD?

The word monsoon comes from the Arabic word which means mausim time. Because of the emergence of annual rains, which indicates a change scored in the weather gradually becomes mausim monsoon.

• WHAT ARE FULLERENES?

Fullerenes are one of the three allotropic forms (same element at two or more forms) of carbon. The other two are diamond and graphite. Scientists Kroto, Curl and Smalley discovered fullerenes in the Rice University in September 1985. One of fullerenes - Buckminsterfullerene - consists of 60 carbon atoms linked together to form a nearly spherical molecule C60 hexagons joined (20) and pentagons (12). The bonds have the same provision that the panels on a soccer ball. Fullerenes can be prepared by passing an electric discharge through the graphite rods in an atmosphere helium. We know now that a fullerene is likely to be formed in flames with soot.

• WHAT IS microlensing?

According to Einstein's theory of general relativity, the light has mass. When light passes near a massive object, it is attracted to him and his change of direction to it. Therefore, when a celestial body is between land and a larger one, most distant astronomical objects, the light coming to earth of body away to concentrate on the land due to the attraction gravitational body through This is somewhat similar to focus sunlight on a piece of paper through a lens, and therefore astronomical called microlensing. Astronomers using microlens in their search for new planets, and to observe distant, faint objects and stars neutron.

• WHAT IS memory of water? ,

Water is known to have the power of memory - if certain chemicals are dissolved in water and then completely removed by a chemical process, water may retain certain properties of dissolved chemicals. Although this concept seems difficult to accept or understand, the French scientist Jacques Benveniste He allegedly turned out. However, another scientist could never replicate that experience.

• WHAT IS THE DIFFERENCE BETWEEN second generation and third generation technology?

The main difference between the second generation (2G) and third generation (3G) is data. 2G services were developed with most voice services in mind, but are able to provide relatively slow (14.4) speed data services. Most U.S. service providers offer data services, including limited access to the Internet wirelessly. For 3G, the flows are expected to be much higher, up to 2 Mbps stationary applications and 384 kbit / s for mobile applications. It will support advanced features, including streaming audio and video, remote access database company, and a greater variety of entertainment and information. 3G will also support a range of devices, including phones, PDAs and laptop computers.

• WHAT is the meaning of red rain?

Five years ago, the Scarlet rainfall was reported in a town called Chenganacherry in the district of Kottayam Kerala. Research scientists at Mahatma Gandhi University in Kerala has investigated this strange phenomenon and discovered that the rain contained similar cellular particles, which they say are not the Earth, but the outer space. The scientists conjecture that a comet exploded in the sky caused an explosion that created the air red rain

• WHY POWER HORSE is called so?

When the steam began to work horses in the mines during the 1800s, Mine owners began to wonder how many horses to replace an engine. James Watt, who invented the steam engine, found a mathematical means of assimilating the horses to power the engine. Thus, the power term was invented. Watt measured the ability of a great horse to pull a load and found it could take a weight of 150 pounds-feet just 2.5 miles per hour. This is equivalent to 33,000 foot-pounds per minute or 550 foot-pounds per second.

• WHAT liquid oxygen?

• Who invented escalator?

The basic mechanisms of the escalator was f. Jess W Reno invented by the "United States 1881. It has been used mainly for riding on the masts of wooden poles or iron ship to fix ropes or straps support the sails. The name escalator "was applied to an escalator in 1900and first shown in an exhibition in Paris. Charles Seeberger, with a company named Otis Elevator Company, built the first commercial escalator.

• WHY dawn of NASA MISSION important?

The Dawn mission is important because it will study Ceres and Vesta, two of the largest asteroids in our solar system in the belt between Mars and Jupiter. The probe is scheduled for launch in July 2007 and capture images of the surface of these asteroids and spacecraft composition, density and magnetism. The project was nearly scuttled because of cost considerations, but I got a fresh lease of life recently

• HOW DO ground proximity WARNING SYSTEM IN A WORK plane?

Ground Proximity Warning System (GPWS) is designed to alert pilots if their device is in immediate danger of Hying in the soil. Another common name is Ground Collision Warning System. Don Bateman is credited with inventing GPWS. This system monitors the size of an airplane above the ground as determined by the radio altimeter. A computer records these readings, calculates trends, and alerts the commander board with visual and audio messages if the aircraft exceeds certain thresholds or defined flight configurations also known as modes. The modes are as follows: rate of descent too excessive. Terrain closure rate, altitude loss after takeoff, the detour dangerous and excessive obstacle clearance below GlideScope. Corrective measures are taken then.

• WHAT IS A pyrometer?

Pyrometer, invented by Josiah Wedgwood is an instrument that measures relatively high temperatures, such as an oven. Many pyrometers work by measuring body radiation whose temperature must be measured. There is another device known as optical pyrometer. It measures the temperature of the luminous body comparing them visually with an incandescent filament of known temperature. Another type is the resistance pyrometer in which a thin wire is in contact with the object and its temperature is determined by measuring the electrical resistance.

• WHAT hydro?

White coal is a form of fuel produced by drying the timber over a fire. It differs from the coal is carbonized charcoal was white used in England in the lead mine smelt mid-16s to the late 17th century. It produces more heat, but less charcoal and prevents the evaporation of lead. White coal was produced in distinctive circular pits with a channel, known as Q-pits, they are frequently found in Timber 7F South Yorkshire.

• WHAT IS THE MEANING OF geostationary?

Satellite geostationary satellite, which moves in space at the same speed and in the same direction as the Earth. Consequently, its position is fixed compared to any place on earth.

• If the Sun is a star, why do not twinkle?

The Sun is an ordinary star. There are stars several times larger than the sun. The stars you see a flash are so far away that their light takes thousands years to reach us. Even the light from the nearest star, Proxima Centauri, takes about three to four years to reach us. The light from the stars appear to twinkle because it is through the constant movement of air currents around the earth. The sun never sets not twinkle because it is very close to us, just about 150 million kilometers.

• HOW DID THE OZONE LAYER exhausted?

The ozone layer has thinned due to chemicals released into the atmosphere by humans, especially chloro carbons used in industrial refrigeration and air conditioning.

• WHAT is a transducer?

A sensor is a device by engineers of instrumentation to convert a physical action in an equivalent electrical signal.

• WHAT is an exothermic reaction?

Exothermic is an adjective referring to a change chemical that is accompanied by the release of energy as heat.

• WHAT ARE conics?

In geometry, circle, ellipse, parabola, hyperbola and a pair of straight lines are called conic sections that these geometric entities can be obtained by slicing a cone.

• WHAT IS MARCODONTIA?

It is rare case of unusually large teeth found in otherwise normal person.

• WHAT STRESS is residual?

This of metal stress on a microscopic scale, resulting from changes nonuniform thermal deformation and plassic.

• WHAT COUNTER IS A GM?

GM or Geiger-Mueller is an instrument used for measurement of radioactivity. It is a structure cylinder filled with inert gas and a central wire maintained at ultra-high voltage. The encroaching radiationionises inert gas and creates a shower of charged particles. This change may be electronic gadgets such as computers.

• FLOWER is known as the flower of the night?

The flower of a type called cactus orchid cactus (Epiphyllum oxypetallum), is known as the "flower of the night" or the "Queen of the night". This cactus is native to Central and South America. It has what appears to be flat sheets, which are basically driven, where the flowers bloom directly in Greek, "Epiphyllum" means "on the map. This cactus blossoms once a year, and the flower opens only for one night. When the flower blooms, it fills its surroundings with a strong odor, and hence the name.

• WHAT'S THEOREM GODEPS?

Originally Austrian American mathematician Kurt Godel showed that in a rigid mathematical logic, there are some issues that can not be neither proved nor disproved on the basis of the axioms of the system. Godel's theorem, in essence, goes beyond the realm of.

• DID YOU THAT THE MEANING of chirality?

If the mirror image of a natural object is different from the object itself, the object is called chiral / objects. A perfect sphere is not chiral. Scientists are studying the basic elements of matter to understand the fundamental reason for this striking property.

• Why could YELLOW on the Yellow Sea?

The The Yellow Sea is an arm of the Pacific Ocean, which extends inland for about 400 miles between the east coast of China and Korea. The Chinese name of this area, Hal Huang (Yellow Sea), because the waters along the banks are yellow, the color of mud. Huang River deposits are made of earth yellow (Huangtu) to the Yellow Sea, which thus its name.

• WHAT IS Black on the Black Sea?

The deep waters of the Black Sea is supposed to be darker than normal sea water of, because the Black Sea is rich concentration of micro-algae. In addition, the Black Sea has been well known in ancient times, perhaps because it was very stormy and difficult to navigate. It was considered as an inhospitable sea, as barbarians occupied its banks. According to another theory, the Black Sea is so called because it is on the north side of the Mediterranean Sea, and in ancient times the color black has been used to mark the compass north.

• Why could RED ON RED SEA?

The Red Sea is not really red. The Red Sea, located between the coast of Africa and Saudi Arabia, contains a type of algae called Trichodesmium eythraeum. As they die, their remains are found on the bottom of the ocean. THEIR color changes to brown-red, which gives THE RED SEA "COLOR.

• What is unique about Orion space vehicle?

Orion moonship is the news NASA plans to develop. This was revealed when U.S. astronaut Jeff Williams inadvertently mentioned the name of the vehicle while recording a message for a Space Agency when floating 354 km above the earth in the International Space Station. He was sent to radio by chance space-ground.

• WHAT A MACHINE PUFFER?

A pinball machine, formally named detect traces of explosives portal, is a safety device that detects explosives at airports and other sensitive installations. The machine works by releasing several puffs of air to a passenger standing in the machine. The explosions are felt fresh air through the passenger, but are not painful or damaging. The goal of the series of bombings in the air is free of microscopic particles in the air as the powder barrel or waste material for manufacturing bombs, which would be detected by the machine. If these particles are suspected, the passenger may be selected for additional control. The entire process takes about 15 seconds.

• Why Is the trajectory of Pluto different from all other planets?

The peculiarity of the trajectory of Pluto is that both his eccentricity and inclination of the ecliptic, the roughly speaking, in which the orbits of other planets are, are extremely high. Like Pluto was only discovered in 1930, astronomers have not been able to fully explain the particularity of its orbit. One hypothesis is that it was originally a Neptune's moon, and later somehow escaped the gravity of Neptune in 1978, when the moon of Pluto, Charon, was discovered, new theories have been proposed regarding the origin of both Pluto and Charon. * It now appears that both have been formed independently, but after some time there was a collision between Pluto and Charon the original. Debris of this collision,

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