The ball on top of a flagpole is called a 'truck'.
24
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
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
The average car produces a pound of pollution every 25 miles!
18
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
Car airbags kill 1 person for every 22 lives that they save.
80
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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