At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Aluminum used to be more valuable than gold!
84
The storage capacity of human brain exceeds 4 Terrabytes.
140
Your brain is 80% water.
525
A cubic yard of air weighs about 2 pounds at sea level.
31
The average temperature at 40,000 feet above sea level is -60 F.
56
Iron weighs more after it rusts.
68
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20