Hi! My name is Henry, I make MinutePhysics, and you can support me on Patreon: http://www.patreon.com/minutephysics Is it better to walk or run when it's cold out? If you run, then you have...
========== When it's cold out and you didn't dress for
the weather and you're far from shelter, youhave a crucial decision to make: should you
run (or ski) to try to warm up, or go slowand avoid the cooling effects of wind?
When it's cold out and you're not moving,the heat you lose goes to heating up the air
around you, forming a slightly warmer protectivelayer so you don't cool off as quickly. But
if you're moving (or if it's windy), you’rebeing exposed to some amount of fresh, new,
cold air – more of it the faster you go.You’re literally running away from the air
you warmed and so you cool off faster thanif you stayed put.
Though once you're going fast enough, theprotective layer of air will be pretty ...