Width5.1 tenths m
3.5 thousandthsGreat Pyramid heights
2 tenthsPhone booth heights
4.8 hundredthsSchool bus lengths
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The appliance that accidentally revolutionized cooking/Everyday Objects
The microwave oven was accidentally invented in 1945 when Percy Spencer noticed a chocolate bar melting in his pocket near a magnetron. A standard countertop model heats food by bombarding it with 2.45 GHz electromagnetic waves. It can boil water in two minutes but still cannot make a steak taste right.
2.45 GHz
31 liters