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Cake day: March 20th, 2024

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  • Indeed, the difference between the two is that a driver has no responsibility for any debris already present on the road that they inadvertently caused to damage something. They are however responsible for damage caused by any object they themselves introduced to the roadway.

    The NASA equivalent would be pretty straightforward, they are not responsible for any space rocks that they accidentally disturbed from orbit and caused to land on your house, but they are fully responsible if thier own craft or parts thereof fell from space onto your house.






  • 1.2l water

    240ml sodium sulfate

    60ml sodium chloride

    20ml xantham gum(optional for increased efficacy by keeping the solution homogenous)

    Boil water, stir until fully dissolved, a small amount of solute should remain, if not, increase sodium sulfate concentration slowly until it does, indicating no free water molecules available for dissolution.

    Solution should now be cooled to below 18c( freezing point) for an end product that will regulate temperature to 18c so long as it have sufficient(negative) thermal energy.

    Solution of pure sodium chloride will have freezing point approx -20C, while solution of pure sodium sulfate has freezing point +35C. Adjusting the ratio of NaCl to Na2SO4 will shift the freezing point towards either end of thag spectrum, depending on what phase change temperature you are targetting.