The electric chair was invented by a dentist!
122
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
The first alarm clock could only ring at 4 a.m.
120
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
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