An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Any modern jet is capable of breaking the sound barrier.
34
There are only 14 blimps in the world.
69
Originally, Nintendo was a playing card manufacturer.
70
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
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 average car produces a pound of pollution every 25 miles!
18