The ball on top of a flagpole is called a 'truck'.
24
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
The electric chair was invented by a dentist!
122
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Originally, BMW was an airplane engine manufacturer.
69
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23