An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Jumbo jets use 4,000 gallons of fuel to take off.
19
Car airbags kill 1 person for every 22 lives that they save.
80
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
