There’s nothing like a good hand warmer in your glove when you’re skiing. But how do they work? Our science guy Steve Spangler uncovers the science secret that makes your hand warmer work.

Contact Steve Spangler at steve@stevespangler.com

Contact Steve’s business manager at 855.228.8780

Visit Steve’s site at https://stevespangler.com

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Kit of the Month Club – https://www.spanglerscienceclub.com

Science Store – https://www.stevespanglerscience.com

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