Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Energy is being wasted if a toaster is left plugged in after use.
21
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
Kleenex tissues were originally used as filters in gas masks.
46
The cigarette lighter was invented before the match.
210
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55