An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The first alarm clock could only ring at 4 a.m.
120
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Attics were invented in Attica.
43
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25
Originally, BMW was an airplane engine manufacturer.
69