To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Kleenex tissues were originally used as filters in gas masks.
46
A toaster uses almost half as much energy as a full-sized oven.
33
There are only 14 blimps in the world.
69
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55


