The first alarm clock could only ring at 4 a.m.
120
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
More than a billion transistors are manufactured every second.
-25
Any modern jet is capable of breaking the sound barrier.
34
The electric chair was invented by a dentist!
122
Kleenex tissues were originally used as filters in gas masks.
46
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
