-- vincevincevince, Jan 10 2009 I read this a bears.... good for the Polar bears who's habitat has been melted by the selfish arseholes who drive climate wrecking 4x4s.-- xenzag, Jan 10 2009 For God's sake don't eat its liver!-- 2 fries shy of a happy meal, Jan 10 2009 [+] I guess it is self explanitory but I wish that you could have taken the time to write up somewhat of a description of what you have in mind.. in spite of how obvious it may be.-- Jscotty, Jan 11 2009 I don't think that pipe would stay cold for long... How about a really long vertical pipe that the can shoots up through, taking advantage of the cold upper atmosphere. It might have to have some sort of speed governor, more like a beer elevator, so the can doesn't incinerate from friction on its way up.-- Spacecoyote, Jan 11 2009 random, halfbakery