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  • Lets abstract it a bit and turn it around: should every person immediately have on opinion on any subject or statement as soon as they learn about it? Even if they know absolutely nothing about it, or worse only know falsehoods?

    If you think no, then people indeed do not need to have an opinion on something.

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  • I updated my bios at some point and it turned on the TPM again, be careful! When I got an update window and quite the shock, I added a group policy to block the update as a backup.

  • The word is charge-parity. All physical systems (at least I'm quantum physics, I cant speak for other fields) are symmetric (nothing changes) if you change C(harge), P(arity) and T(ime reversal) at the same time. This is called CPT symmetry, see https://en.m.wikipedia.org/wiki/CPT_symmetry

    As antimatter can be described as normal matter going back in time (see the other comment), it means antimatter can also be described as normal matter transformed under the C and P operators. If T(particle) = antiparticle and CPT(particle) = particle then CP(particle) = antiparticle also.

    And the reason you can reverse time is because most of the equations are quadratic: they have a positive and negative solution, one describes particles moving forward in time, the other solution describes antiparticles going backward in time.

    NB: in quantum field theory it gets slightly more complicated, lets leave that as homework ;)