When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second.
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Seals can withstand water pressure of up to 850 pounds per square inch.
According to one helpful-hint expert, you can use a drop of vinegar or vodka on each lens to clean eyeglasses without streaks.
Kissing one's fingertips is a common gesture throughout Europe and Latin America countries. It connotes the declaration of "aah, beautiful!" The recipient of the kiss may be anything from a woman or a wine, a sports car or...Read More
The first commercial passenger airplane began flying in 1914. The first commercial passenger airplane with a bathroom began flying in 1919.
While diamonds are usually considered the most precious of stones, a large, near flawless emerald is worth considerably more than a diamond of the same size.
Lucy Hobbs Taylor was the first woman in the US to become a certified dentist in 1867.