Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
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
Jumbo jets use 4,000 gallons of fuel to take off.
19
More than a billion transistors are manufactured every second.
-25
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Whale oil was used in automobile transmissions as late as 1973.
56
