Castor oil is used as a lubricant in jet planes.
-5
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
16
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
About 39,000 gallons of water are used to produce the average car!
14
The first alarm clock could only ring at 4 a.m.
120