Castor oil is used as a lubricant in jet planes.
-5
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
Originally, BMW was an airplane engine manufacturer.
69
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Sony researchers have developed a refrigerator that only opens when you smile.
9
The life boat was patented in 1845!
29
A toaster uses almost half as much energy as a full-sized oven.
33

