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
A small airplane can fly backwards.
75
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
The life boat was patented in 1845!
29
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27

