Energy is being wasted if a toaster is left plugged in after use.
21
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Sony researchers have developed a refrigerator that only opens when you smile.
9
A toaster uses almost half as much energy as a full-sized oven.
33
