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 normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
The ball on top of a flagpole is called a 'truck'.
24
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The first alarm clock could only ring at 4 a.m.
120