A ball of glass will bounce higher than a ball made of rubber.
73
Sound travels about 4 times faster in water than in air.
408
A cesium atom in an atomic clock beats over nine billion times a second.
43
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
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
Balsa wood is classified as a hard wood!
41
For every gallon of sea water, you get more than a quarter pound of salt.
45