Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
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
Aluminum used to be more valuable than gold!
84
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Liquid TIDE laundry detergent glows under a blacklight.
96
One cubic foot of gold weighs more than 1,200 pounds!
78
A cesium atom in an atomic clock beats over nine billion times a second.
43