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Brad Shue wrote:
On Sat, 14 Jun 1997, Bob Sciamanda wrote:
Addendum: If you refrigerate the Crookes radiometer sufficiently, the
thermal effect can be reduced so that the radiation pressure efect
dominates and the thing turns "backwards" (ie., in accordance with
Joseph's expectations) under a strong light.
At what temperature is this effect seen? How do you illuminate it?
Nothing that I was able to do could make the radiation pressure effect
dominant; however, the thermal effect can make it run "backwards". When