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Cake day: July 4th, 2023

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  • Also, water is an amazing coolant. At the molecular level its hydrogen bonding contributes to a bulk property called heat capacity that ends up much higher than most other substances, meaning it can soak up a ton of energy per unit volume (and later release that energy, e.g. into a turbine). And there’s even more of that heat capacity in the phase transition from liquid to steam and back. It’s crazy good.

    It’s also super cheap and abundant. The main reason water isn’t the coolant for nearly everything is that it can be corrosive. Also steam can be quite dangerous due to all that energy it carries.