A cesium atom in an atomic clock beats over nine billion times a second.
43
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
A ball of glass will bounce higher than a ball made of rubber.
73
Sound at the right vibration can bore holes through a solid object.
134
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Nearly 50% of the world's scientists are assigned to military projects.
71