The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
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
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
In the early 1960's, Porsche commercially manufactured farm tractors.
24
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47