Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
A cubic yard of air weighs about 2 pounds at sea level.
31
The storage capacity of human brain exceeds 4 Terrabytes.
140
Sound at the right vibration can bore holes through a solid object.
134
The force of a suction cup is calculated using F=AP.
15
The only letter not appearing on the Periodic Table is the letter "J".
180
Nylon is made from coal and petroleum.
42
Out of all the senses, smell is most closely linked to memory.
146