The first alarm clock could only ring at 4 a.m.
120
Whale oil was used in automobile transmissions as late as 1973.
56
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Mico headphones read your brainwaves and select music based on your state of mind.
7
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0