10 Cool Science Facts Part 2

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Science is fucking cool. Here are 10 more cool science facts for you.
Also, check out part 1: http://endlessfacts.com/p/eErhd


1
When Anders Celsius first developed his scale, he made freezing 100 degrees and boiling 0 degrees, or upside down. No one dared point this out to him, so fellow scientists waited until Celsius died to change the scale.

2
An ordinary TNT bomb involves atomic reaction, and could be called an atomic bomb. What we call an A-bomb involves nuclear reactions and should be called a nuclear bomb.

3
A chip of silicon a quarter-inch square has the capacity of the original 1949 ENIAC computer, which occupied a city block.

4
A ball of glass will bounce higher than a ball of rubber. A ball of solid steel will bounce higher than one made entirely of glass.

5
Only one satellite has been ever been destroyed by a meteor: the European Space Agency's Olympus in 1993.

6
On average, half of all false teeth have some form of radioactivity.

7
Sound travels 15 times faster through steel than through the air.

8
If you went out into space, you would explode before you suffocated because there's no air pressure.

9
Every year about 98% of atoms in your body are replaced.

10
Every human spent about half an hour as a single cell.