Castor oil is used as a lubricant in jet planes.
-5
The cigarette lighter was invented before the match.
210
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
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
Any modern jet is capable of breaking the sound barrier.
34
Jumbo jets use 4,000 gallons of fuel to take off.
19