The average temperature at 40,000 feet above sea level is -60 F.
56
The force of a suction cup is calculated using F=AP.
15
Pure water (H2O) does not conduct electricity on its own.
46
Nearly 50% of the world's scientists are assigned to military projects.
71
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6