A cesium atom in an atomic clock beats over nine billion times a second.
43
Diamonds can be shattered with a hammer.
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One 75-watt bulb gives more light than three 25-watt bulbs.
57
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
One third of the electricity produced on earth is used to power electric light bulbs!
75
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Scientists are now able to grow 'beating' heart tissue in a lab!
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