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
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
Sony researchers have developed a refrigerator that only opens when you smile.
9
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
A small airplane can fly backwards.
75
The cigarette lighter was invented before the match.
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