Sony researchers have developed a refrigerator that only opens when you smile.
9
The electric chair was invented by a dentist!
122
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
A toaster uses almost half as much energy as a full-sized oven.
33
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
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