There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
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
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
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
Any modern jet is capable of breaking the sound barrier.
34