So then perhaps we could use this effect as a linear position sensor.


On 9/8/2012 3:23 AM, Sean Breheny wrote:
> Hi all,
>
> A long time ago I noticed that a rubber band feels cool after it is
> stretched and released. Given that the temperature difference is
> small, I never could figure out a good way to measure it. I just
> realized that my recently-acquired thermal camera is perfect for it.
> Well, I just did the experiment and it clearly is true - this
> particular band cools by about 2 degrees C (below ambient):
>
> http://www.youtube.com/watch?v=3D1NS55QTb0H8
>
> I have since discovered that others on Youtube have already done
> exactly the same thing (view rubber band cooling on thermal cameras).
> My video is better, though - more modern camera :)
>
> Sean

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