Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
German chemists made a replica of a trophy the size of one molecule.
68
A ball of glass will bounce higher than a ball made of rubber.
73
The sun is 330,330 times larger than the earth.
75
The average home creates more pollution than does the average car.
33
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39