The first alarm clock could only ring at 4 a.m.
120
Any modern jet is capable of breaking the sound barrier.
34
The electric chair was invented by a dentist!
122
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
More than a billion transistors are manufactured every second.
-25
Whale oil was used in automobile transmissions as late as 1973.
56
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2