The life boat was patented in 1845!
29
More than a billion transistors are manufactured every second.
-25
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
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Attics were invented in Attica.
43
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7