Mico headphones read your brainwaves and select music based on your state of mind.
7
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
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Castor oil is used as a lubricant in jet planes.
-5
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
The cigarette lighter was invented before the match.
210
Whale oil was used in automobile transmissions as late as 1973.
56
