Weikel demonstrates heat source pump
Geologist Ethan Weikel points to the miniature heater in the ground-source heat pump system he developed. Weikel's system, housed in a portable ice chest, gives engineers a more mobile and less costly way to measure the heat transfer capabilities in the earth. His work earned him the 2015 USACE Innovation of the Year award.

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Photo by: Jhi Scott |  VIRIN: 151207-A-OH556-013.JPG