Freezing water expands. What if you don't let it?

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The first 200 people to https://brilliant.org/minutephysics get 20% off an annual premium subscription to Brilliant. Thanks to Brilliant for their support. REFERENCES Page with TONS of info about water and ice https://water.lsbu.ac.uk/water/water_density.html Specifically, a graph showing density & temperature & pressure along the phase line!!!!! https://water.lsbu.ac.uk/water/images/ice_water_density_1.gif Water freezing in isochoric conditions (theory): https://www.nature.com/articles/s42005-020-0303-9 Water pressure/density calculator https://www.omnicalculator.com/physics/water-density http://www.csgnetwork.com/water_density_calculator.html Article about pressure vs temperature vs volume expansion: Using freezing as a source of energy https://link.springer.com/article/10.1007/s42452-018-0139-z#:~:text=It%20is%20well%20known%20that,energy%20using%20a%20hydraulic%20motor. Latent heat of water at 0C https://link.springer.com/referenceworkentry/10.1007/1-4020-3266-8_124#:~:text=A%20total%20of%20334%20J,the%20latent%20heat%20of%20fusion. Mariana Trench https://en.wikipedia.org/wiki/Mariana_Trench#:~:text=At%20the%20bottom%20of%20the,atmospheric%20pressure%20at%20sea%20level. Regelation on wikipedia https://en.wikipedia.org/wiki/Regelation#:~:text=Regelation%20is%20the%20phenomenon%20of,heavy%20weight%20attached%20to%20it. Using Ice VI to freeze meat without tissue damage https://www.sciencedirect.com/science/article/abs/pii/S0309174003001931 Support MinutePhysics on Patreon! http://www.patreon.com/minutephysics Link to Patreon Supporters: http://www.minutephysics.com/supporters/ MinutePhysics is on twitter - @minutephysics And facebook - http://facebook.com/minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Created by Henry Reich