According to an old English system of time units, a moment is one and a half minutes. |
The typewriter was invented in 1829, and the automatic dishwasher in 1889. |
The wristwatch was invented in 1904 by Louis Cartier. |
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour. |
By raising your legs slowly and laying on your back, you can't sink in quicksand. |
Ten minutes of one hurricane contains enough energy to match the nuclear stockpiles of the world. |
Most gemstones contain several elements. The exception? The diamond. It's all carbon. |
Diamonds are the hardest substance known to man. |
Which of the 50 states has never had an earthquake? North Dakota. |
When hydrogen burns in the air, water is formed.
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