A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Sony researchers have developed a refrigerator that only opens when you smile.
9
The first alarm clock could only ring at 4 a.m.
120
The life boat was patented in 1845!
29
Castor oil is used as a lubricant in jet planes.
-5
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250