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Old 19-December-2008, 05:04 PM
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HenrikOlsen HenrikOlsen is offline
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Quote:
Originally Posted by Vallkynn View Post
You can also get the water temperature by measuring the thermal radiation emission. Here you don't change the observed object...
You're forgetting that emitting the thermal radiation cooled the water, so you're not measuring it's temperature, you're actually measuring its cooling down.
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