liquid water and ice

water coolant expand

Water molecules form highly organized crystaline structures as they freeze, which causes a relatively unique form of negative thermal expansion.

Image courtesy of P99am, via wikimedia commons (creative commons 3.0)

JD Laukkonen

JD Laukkonen turned wrenches in the north end of Seattle for a decade, so he's no stranger to the inner workings of modern automobiles. He has worked as a freelance writer since closing his shop in 2007, and he currently covers automotive technology for

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