Comment on There exists a classical model of the photon after allparentComments−cordite11yThey really ought to stop teaching that fluid is incompressible in middle school.−chinpokomon11yI think that is a simplification of the model for high school level physics. It's like when we use Hooke's law to describe a spring constant that only holds true for part of the range. Compared with a volume of gas, fluids are "incompressible."
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They really ought to stop teaching that fluid is incompressible in middle school.
I think that is a simplification of the model for high school level physics. It's like when we use Hooke's law to describe a spring constant that only holds true for part of the range. Compared with a volume of gas, fluids are "incompressible."