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 ball on top of a flagpole is called a 'truck'.
24
Attics were invented in Attica.
43
The first alarm clock could only ring at 4 a.m.
120
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
Kleenex tissues were originally used as filters in gas masks.
46


