The first alarm clock could only ring at 4 a.m.
120
Any modern jet is capable of breaking the sound barrier.
34
More than a billion transistors are manufactured every second.
-25
The American Automobile Association was founded for the sole purpose of warning motorists of police speed traps!
36
Energy is being wasted if a toaster is left plugged in after use.
21
The cigarette lighter was invented before the match.
210
There are only 14 blimps in the world.
69