Commons:Featured picture candidates/File:Radiometer 9965 Nevit.gif

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Voting period is over. Please don't add any new votes.Voting period ends on 10 Aug 2010 at 20:25:13 (UTC)
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Radiometer. The Crookes radiometer, also known as the light mill or solar engine, consists of an airtight glass bulb, containing a partial vacuum. Inside are a set of vanes which are mounted on a spindle. The vanes rotate when exposed to light. The reason for the rotation has been the cause of much scientific debate.
Confirmed results:
Result: 15 support, 0 oppose, 0 neutral → featured. /George Chernilevsky talk 07:51, 7 August 2010 (UTC)[reply]
This image will be added to the FP gallery: Animated