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
Castor oil is used as a lubricant in jet planes.
-5
Attics were invented in Attica.
43
The cigarette lighter was invented before the match.
210
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Energy is being wasted if a toaster is left plugged in after use.
21
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