- Natural gas does not have any odor. In order to detect a gas leak, some gas companies add a chemical that smells similar like rotten eggs.
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(Added: Fri Oct 31 2008 By Gauher) - A galactic year is 250 million Earth-years. This is the time it takes for our solar system to make one revolution around the Milky Way Galaxy.
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(Added: Sat Sep 20 2008 By Gauher) - By weight, the sun is 70% hydrogen, 28% helium, 1.5% carbon, nitrogen, and oxygen, and 0.5% all other elements.
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(Added: Fri Oct 31 2008 By Gauher) - The Hubble telescope is so powerful that it is like pointing a beam of light at a dime that is two hundred miles away.
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(Added: Fri Oct 31 2008 By Gauher) - Before air conditioning was invented, white cotton slipcovers were put on furniture to keep the air cool.
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(Added: Sat May 31 2008 By Gauher) - The external tank on space shuttles is not painted. It is the only part of the shuttle that is lost after launch, so it is not necessary to worry about metal corrosion.
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(Added: Fri Oct 31 2008 By Gauher) - There are mirrors on the moon. Astronauts left them so that laser beams could be bounced off of them from Earth. These beams help give us the distance to the moon give or take a few metres.
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(Added: Fri Oct 31 2008 By Gauher) - The Central African raffia palm is known to have the longest leaves. The leaves can measure up to 82.5 feet long.
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(Added: Fri Oct 31 2008 By Gauher) - In the Netherlands, there are special traffic lanes for bicycles. There are approximately 17,000 kms of cycle lanes with special bicycle traffic lights.
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(Added: Fri Oct 31 2008 By Gauher) - Just by recycling one aluminum can, enough energy would be saved to have a TV run for three hours.
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(Added: Fri Oct 31 2008 By Gauher) - A cesium atom in an atomic clock that beats over nine billion times a second.
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(Added: Fri Oct 31 2008 By Gauher) |
