Perpetual Aquifer Power by Kanddak

Movie Description:

Waterwheels built above a non-flowing channel in an aquifer are started by throwing a bucket of water into the channel.
As far as I know, these will keep running forever.

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Submitted by: Dakira - 2010-03-02

As long all the water is >= 4/7 and there is an extra 1/7 shifting around. You've got it.

Submitted by: Kanddak - 2010-03-02

There is no extra 1/7 shifting around. The bucketload of water disappears into the aquifer and only static 7/7 water remains in the channel.


Do you only see a blank space instead of a play button?