The life boat was patented in 1845!
29
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The first alarm clock could only ring at 4 a.m.
120
The United States produces enough plastic film annually to cover the entire state of Texas.
13