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Worldbuilding

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    $\begingroup$ Fun fact: the Higgs field contributes only a tiny part to the mass of objects. The bulk of the mass of objects is the binding energy of the quarks in the protons and neutrons. $\endgroup$
    – AlexP
    Commented Jun 20, 2022 at 20:17
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    $\begingroup$ @AlexP But that mass does not contribute to inertia. Only the Higgs boson is responsible for inertia. Energy has no inertia, and the speed limit is c. $\endgroup$
    – Justin Thyme the Second
    Commented Jun 20, 2022 at 23:09
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    $\begingroup$ @JustinThymetheSecond: $m = E/c^2$. Energy has exactly the same inertia as the equivalent mass. There is really no difference, they are of the exact same nature. (For completeness, the Higgs field gives mass to lightweight particles, such as electrons. The mass of the heavy particles, such as the protons and neutrons in the atomic nuclei, is really the binding energy of the quarks they are made of.) $\endgroup$
    – AlexP
    Commented Jun 20, 2022 at 23:34
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    $\begingroup$ @JustinThymetheSecond AFAIK quantum tunneling, given our current knowledge of physics, cannot happen from below c to above c. $\endgroup$
    – Neinstein
    Commented Jun 21, 2022 at 7:10
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    $\begingroup$ @JustinThymetheSecond You can't answer what is the least physics breaking way of sg with "well, ya' know, physics's just a model, it may be wrong, so kinda anything is possible" $\endgroup$
    – Neinstein
    Commented Jun 22, 2022 at 10:11