The force of a suction cup is calculated using F=AP.
15
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Most dust particles in your house come from dead skin.
48
Billions of neutrinos pass unnoticed through your body every second.
6
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Sound travels about 4 times faster in water than in air.
408
A ball of glass will bounce higher than a ball made of rubber.
73