An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
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
More than a billion transistors are manufactured every second.
-25
The cigarette lighter was invented before the match.
210
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
Kleenex tissues were originally used as filters in gas masks.
46
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17

