To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The ball on top of a flagpole is called a 'truck'.
24
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
A toaster uses almost half as much energy as a full-sized oven.
33
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The United States produces enough plastic film annually to cover the entire state of Texas.
13