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Photons being mass less ‘particles’ do not experience time.
Final quick thought, instantaneous communication over any finite distance, sounds a lot like gravity.
Nowhere have I ever claimed or will ever claim that the speed of light is not a constant.
In the real universe, gravity slows the photons down.
Ok, the car thing is impossible but as a mind experiment I would like to have a go at answering it. I am traveling at the speed of light at night and I turn on my headlights. Actually, I am frozen in time so cannot turn the headlights on.
That's a strange thing with 'time' and its arrow. There is no frame of reference that can be said to be 'unmoving/frozen'. If you define a frame as such, then it has to be from a different 'frame of reference', relative that definition. And as soon as you're 'at rest' relative that 'frozen' frame you will find that its 'time' ticks the same 'as always', in fact it ticks the same as yours.
A photon experiences no passage of time. Anything travelling at the speed of light will also experience no passage of time. I thought this was generally accepted.
JP"It's wrong to think that photons don't "experience" (whatever that means to a massless particle) time"In what way do they experience time, please?I am still interested to know in what way you think photons experience time?Thanks.
light only exist in its interactions. You have no way other than conceptual to define as 'propagating', when it comes to 'matter' is seems somewhat different as you actually can see it 'move' as translated by light.
But why would you set mass to zero when Relativity tells us that mass traveling at the speed of light becomes infinite.