[Noisebridge-discuss] global hackerspace cupcake competition

Simon C. Ion ion.simon.c at gmail.com
Thu Jan 6 00:44:21 PST 2011


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On 01/05/2011 06:26 PM, Shannon Lee wrote:
> If you put them in a small enclosed box and leave them there, they do in
> fact get quite hot (above 120 f), even when it is very cold outside the
> box.  However, they don't last that long; you might have to figure out a
> way to activate another one every N hours...

If you're not concerned about your cupcake smelling funny or maybe being
toxic, you could use one or two of these:
http://en.wikipedia.org/wiki/Hand_warmer#Lighter_fuel
http://www.hakkin.co.jp/

I remember them producing enough heat to burn my hands and staying hot
for at least 4->6 hours.
I can't remember if they work well when turned upside-down or sideways
or if fuel leakage would be an issue.


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