More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
More than a billion transistors are manufactured every second.
-25
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
Castor oil is used as a lubricant in jet planes.
-5
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
Kleenex tissues were originally used as filters in gas masks.
46
