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
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The cigarette lighter was invented before the match.
210
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 car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
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