More than a billion transistors are manufactured every second.
-25
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
A small airplane can fly backwards.
75
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
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
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