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
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
More than a billion transistors are manufactured every second.
-25
Car airbags kill 1 person for every 22 lives that they save.
80
The first alarm clock could only ring at 4 a.m.
120