The cigarette lighter was invented before the match.
210
The ball on top of a flagpole is called a 'truck'.
24
The electric chair was invented by a dentist!
122
The first alarm clock could only ring at 4 a.m.
120
Any modern jet is capable of breaking the sound barrier.
34
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