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Old Posted Feb 28, 2012, 8:21 PM
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Steely Dan Steely Dan is offline
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Quote:
Originally Posted by Gordo View Post
A bike is certainly more useful in more circumstances, but sitting on a log floating down a river would be more efficient in terms of energy use
and floating through interstellar space would be even more efficient still. i think the given assumption here was LAND transportation. my bad for not being more specific.



Quote:
Originally Posted by Gordo View Post
In winter months, cross-country skis might best a bike as well (depending on hill placement, etc)
i would be surprised if it were. cross country skiing is one of the most physically exhausting activities i've ever done.
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