Energy is being wasted if a toaster is left plugged in after use.
21
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The first alarm clock could only ring at 4 a.m.
120
Jumbo jets use 4,000 gallons of fuel to take off.
19
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17