Nearly 50% of the world's scientists are assigned to military projects.
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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
Sound at the right vibration can bore holes through a solid object.
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Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
A cesium atom in an atomic clock beats over nine billion times a second.
43
One third of the electricity produced on earth is used to power electric light bulbs!
75
4.5 pounds of sunlight strike the Earth each day.
27
Aluminum used to be more valuable than gold!
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