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
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The cigarette lighter was invented before the match.
210
Jumbo jets use 4,000 gallons of fuel to take off.
19
Attics were invented in Attica.
43
A small airplane can fly backwards.
75