The ball on top of a flagpole is called a 'truck'.
24
Whale oil was used in automobile transmissions as late as 1973.
56
There are only 14 blimps in the world.
69
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2