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17

It's probably worth pointing out that a lot of people reading this question may be thinking along the (commonly quoted) line that about 80% of body heat is lost through the head - which is much more of a myth than people realise (See here for details.) From what I remember, it was an experiment done with people fully kitted out apart from the fact that they ...


13

Heat loss can occur from anywhere on the body through a number of processes: Conduction e.g. when sitting on the ground. Convection e.g. due to wind chill. Radiation i.e. heat loss direct to the environment from exposed skin. Evaporation i.e. heat loss through perspiration. Other factors: Metabolism generates heat; conversely, without enough sustenance ...


10

My original answer to this question sparked a surprisingly intense debate, so I'm rewriting it to clarify a few points and offer a more holistic answer. Let me start by saying that every square inch of skin on the human body is capable of allowing heat to escape. That is to say, if you wear a jacket with no pants, your legs will lose more heat than your ...


6

The Khibin mountains and the neighboring area are very popular places to visit in Russia, especially for hiking. There is one relatively big town there - Kirovsk, and you can start your trip from there. It has some industry, but I haven't heard of it having any bad influence on the ecology. I have drunk water from Umbozero lake and Umba river and I'm still ...


4

here is a pictorial answer to try and figure this out! I believe this is a un-clothed male under a thermal camera (SFW)


2

Every boat is different, and every crew is different. There is no set standard. Some people go single-handed on a ketch, some have fairly large crew. Bernard Moitessier used to sail a 39-foot ketch single-handed and with his wife.


1

While I personally disagree to other answers, I'd like to make a point. According to my understanding an uncovered head will loose a lot of heat. Put a hat on and no top and see what happens. I'm a hunter and when I sit, I find the cold area are the shoulders, kidney and wrist. I had a Saab 900 with heat vents that would blow on my wrist when I put my hand ...


1

Lots of ways to reduce heat loss: Wear a hat scarf and gloves as these keep the most important parts of your body warm. Wear warm knickers (even if you're a guy). You can get fleecy knickers but not fleecy pants. Also, you can huddle, like penguins as it reduces your surface area and conserves bodyheat.



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