A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One 75-watt bulb gives more light than three 25-watt bulbs.
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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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Most dust particles in your house come from dead skin.
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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