A small airplane can fly backwards.
75
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
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Whale oil was used in automobile transmissions as late as 1973.
56
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12