The force of a suction cup is calculated using F=AP.
15
Nylon is made from coal and petroleum.
42
One barrel of petroleum holds 42 gallons.
20
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Iron weighs more after it rusts.
16