The scientific way to stay warm this winter

Staying comfy in the cold, whether you're hiking urban canyons or hip deep in backcountry snow, requires paying attention to the science of heat transfer. Loren Greenway, CEO of the Wilderness Medical Center in Salt Lake City, Utah, said that staying warm requires understanding two key principles: conduction and convection.

Conduction is the transfer of heat between two solid surfaces that are in direct contact with each other, such as when you stand on icy pavementConvection is the transfer of heat between a mass (such as your body) and a moving fluid or gas (such as an icy wind that whips around every square inch of you). Read more...

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