Whale oil was used in automobile transmissions as late as 1973.
56
Castor oil is used as a lubricant in jet planes.
-5
The ball on top of a flagpole is called a 'truck'.
24
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
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
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Mico headphones read your brainwaves and select music based on your state of mind.
7