Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
The first alarm clock could only ring at 4 a.m.
120
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The average car produces a pound of pollution every 25 miles!
18
A small airplane can fly backwards.
75
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4