This is how to do the "impossible" and harvest energy from the force generated when water freezes.
This tech is open source, public domain, free as the wheel.
If you build the device as i describe it you'll want to set it in a pan in your freezer in case it works "too" well and drives the plunger all the way out of the hypo.
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I look forward to seeing what you do with this!
I'll gladly post links to smallest, fastest, and most powerful ice engines.
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