Kleenex tissues were originally used as filters in gas masks.
46
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
A toaster uses almost half as much energy as a full-sized oven.
33
There are only 14 blimps in the world.
69
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4