- The iron disulfide (Pyrite) is considered "fool's gold" because it looks very similar to gold.
(Added: Thu Oct 31 2002)
Comment On This Amusing Fact - The tip of a bullwhip moves so fast that it breaks the sound barrier. The crack of the whip is actually a tiny sonic boom.
(Added: Thu Oct 31 2002)
Comment On This Amusing Fact - The word "laser" stands for "Light Amplification by Stimulated Emission by radiation."
(Added: Thu Oct 31 2002)
Comment On This Amusing Fact - The world's first underground was the London Underground in1863. It has 275 stations and 253 miles of track.
(Added: Thu Oct 31 2002)
Comment On This Amusing Fact - 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: Thu Oct 31 2002)
Comment On This Amusing Fact - There is no element on Mendeleev's (the current) periodic table of elements abbreviated, either partially, or fully, with the letter J.
(Added: Thu Oct 31 2002)
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