The ball on top of a flagpole is called a 'truck'.
24
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Castor oil is used as a lubricant in jet planes.
-5
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Energy is being wasted if a toaster is left plugged in after use.
21
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
Jumbo jets use 4,000 gallons of fuel to take off.
19