Sony researchers have developed a refrigerator that only opens when you smile.
9
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Castor oil is used as a lubricant in jet planes.
-5
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Attics were invented in Attica.
43
A toaster uses almost half as much energy as a full-sized oven.
33
