Talk:Feynman sprinkler

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[edit] "E pur si muove!"

I'm pretty sure that I read somewhere that atleast one very sensitive experiment showed that the feynman sprinkler does actually turn- but the effect is very small. I don't have a ref though.WolfKeeper 15:28, 8 April 2006 (UTC)

This is probably due to friction, a property which is ignored in the thought experiment. -- Rmrfstar 18:39, 8 April 2006 (UTC)
Probably something like that, or there's a bit of angular momentum being transfered due to twisting in the air leaving the pipe. The University of Maryland experiment is actually mentioned in 'An elementary treatment of the reverse sprinkler' reference, but I was unable to currently locate the video on the web; although I have seen it previously, if anyone finds it, please add it as a reference.WolfKeeper 22:23, 21 July 2006 (UTC)
(Excuse my English)
The University of Maryland has put up videos [1] that show that the inverse sprinkler does in fact rotate quite fast (I assume that the flow rates were the same blowing and sucking). On a related page [2], they mention that the question after the expected behaviour of the inverse sprinkler has been answered contradictory in the physics literature.
This Wikipedia article says that many experiments have shown that the inverse sprinkler stands still. If this is the case, I think the article should cite more sources to back up this statement. 62.152.162.188 (talk) 11:05, 15 February 2008 (UTC)

[edit] Originator

So if Feynman did not come up with this thought experiment, who did? It would be nice if the article could mention this. -Verdatum (talk) 15:17, 15 January 2008 (UTC)