How can a particle that has zero mass (travels at the speed of light) carry energy, and excite cells in our eyeballs?

Classicjonesynz asked Feb 2, 2023

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Classicjonesynz asked Feb 2, 2023

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14 votes

Answer:

Quantum theory states that electromagnetic radiation travels in discrete amounts with energy

h ν = E = h c / f

VaclavDedik answered Feb 7, 2023

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