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Joined 11 months ago
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Cake day: March 7th, 2025

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  • Why We Sleep by Dr. Matthew Walker.

    Fascinating book all about what sleep is and the reasons every living thing on earth does/needs it in some way or another.

    Gut by Guilia Enders.

    Intriguing journey from mouth to anus, showcasing the functions performed to sustain life by some of the body’s most underrated organs. Also discusses some of the most common ailments and their effects (but also causes, and in some cases their treatments/cures).

    Immune by Philipp Dettmer.

    A wonderful introduction to how the body’s immune system performs its job…or doesn’t, in some unfortunate circumstances.

    All three books are written for the lay person who wants/needs an accessible introduction to these complex systems affecting health and well-being.













  • CO2 is a nice substance for this due to its relatively high temperature of fusion at modest pressures (and cheap ubiquity). I’d wondered why this wasn’t more of a thing with air, using excess energy to liquefy it, to later let the LN2 to be vaporized/expanded in a turbine and the LOX to be used in rockets or something. But deep cryogenics are more challenging.

    Or maybe use excess power to electrolyze water for fuel cell use later?

    But yeah, CO2 makes a lot of sense despite its relatively poorer specific heat ratio for adiabatic expansion compared to mono and diatomic gasses.