In the early 1960's, Porsche commercially manufactured farm tractors.
24
Castor oil is used as a lubricant in jet planes.
-5
Sony researchers have developed a refrigerator that only opens when you smile.
9
Jumbo jets use 4,000 gallons of fuel to take off.
19
The first alarm clock could only ring at 4 a.m.
120
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
