Kleenex tissues were originally used as filters in gas masks.
46
The first alarm clock could only ring at 4 a.m.
120
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
A toaster uses almost half as much energy as a full-sized oven.
33
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2