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
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
More than a billion transistors are manufactured every second.
-25
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
88
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55