Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
Originally, BMW was an airplane engine manufacturer.
69
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
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
More than a billion transistors are manufactured every second.
-25
Kleenex tissues were originally used as filters in gas masks.
46
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