Nylon is made from coal and petroleum.
42
The force of a suction cup is calculated using F=AP.
15
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Scientists are now able to grow 'beating' heart tissue in a lab!
162
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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Nearly 50% of the world's scientists are assigned to military projects.
71
Pumice is the only rock that floats on water.
14