The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Kleenex tissues were originally used as filters in gas masks.
46
Attics were invented in Attica.
43
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
88
Whale oil was used in automobile transmissions as late as 1973.
56
