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 cigarette lighter was invented before the match.
210
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Castor oil is used as a lubricant in jet planes.
-5
Kleenex tissues were originally used as filters in gas masks.
46
Whale oil was used in automobile transmissions as late as 1973.
56

