Caltech Reveals Why Certain Alloys Resist Heat Expansion
Caltech Reveals Why Certain Alloys Resist Heat Expansion
Nearly every material, whether it is solid, liquid, or gas, expands when its temperature goes up and contracts when its temperature goes down. This property, called thermal expansion, makes a hot air balloon float, and the phenomenon has been harnessed to create thermostats that automatically turn a home furnace on and off. Railroads,...
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