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Cake day: March 4th, 2024

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  • Light is generally better modeled by a wave, so I would say the wave doesn’t experience time. Photons are the smallest unit of energy that can be transferred between a light wave and a different particle. They have momentum and direction, but they don’t really travel exactly. They just mediate the force between light waves and matter.

    Worded differently, a fermion (massive particle) within an electromagnetic (light) wave with a frequency of f may absorb some multiple of h x f joules of energy, where h is a very small constant. There is no way for the wave to transfer less than hf joules to the particle at a time. There is no need to think of photons as anything other than the smallest possible quantization of the electromagnetic wave rather than a particle of light. There’s no need to think of it existing for any amount of time or space.