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This is a great topic deserving of some controlled experimentation. In general the system is non-linear, but can be analyzed in a piece-wise linear fashion the same way many other difficult problems are approached. Some thoughts on the matter; 1)conduction not convection, is the main transport mechanism, 2)cold does not exist, only the absence of heat, 3) ...


7

At least 60m away, and 5m high. I doubt that there is such a thing a bag that bears absolutely can't smell through. Bears and other animals with rhinariums (wet nose) not only smell better than humans, they smell in a different way, they can literally taste odours. A bears sense of smell is roughly 2100 times more sensitive than a humans. Even if you got a ...


2

For sustaining a person long term in extreme conditions such as walking daily 15-25 miles in varying conditions, the biggest problem after having enough energy to walk is the ability to properly recover every night to do that again and again. To be able to recover well you need a good amount of protein every day, especially during the night, to get good ...



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