The average car produces a pound of pollution every 25 miles!
18
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
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
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Originally, Nintendo was a playing card manufacturer.
70
A toaster uses almost half as much energy as a full-sized oven.
33
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