It is now a little over two years since I created this instructable, and just this past week (Sept 2008) it was published as part of The Hungry Scientist Handbook by Patrick Buckley & Lily Binns!





[href="http://modular.ucsd.edu/pics/05-2003/Pigeons_051803/lehrer-pigeons.mp3 Spring is here], and what better time to learn how make something to keep your fingers warm in the middle of winter?! Yeah sure, I guess autumn or even early winter would be a better time for that, but too bad, I'm doing this now. Hey, after all, maybe somebody reading this is about to embark upon an Antarctic adventure! Although I don't suppose that's very likely. Well, maybe y'all can try to remember how to do this for next year, eh?will provide your fingers with warmth for your daily bike commute or morning stroll. These little, reusable bags should be able to give off heat for half an hour or more.