The first alarm clock could only ring at 4 a.m.
120
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
More than a billion transistors are manufactured every second.
-25
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
The electric chair was invented by a dentist!
122
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12