The electric chair was invented by a dentist!
122
The life boat was patented in 1845!
29
A small airplane can fly backwards.
75
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
A toaster uses almost half as much energy as a full-sized oven.
33
More than a billion transistors are manufactured every second.
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