At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
German chemists made a replica of a trophy the size of one molecule.
68
One cubic foot of gold weighs more than 1,200 pounds!
78
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Iron weighs more after it rusts.
16