Einstein extended Planck's idea by proposing that all electromagnetic radiation—light in all its wavelengths—can be understood as quantized particles called photons.
factualpending
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Jim Al-KhaliliEvidence Quote
“[3:28] A few years later Einstein extended that idea and said that actually all electromagnetic radiation light um in all its wavelengths ultimately can also be thought of quanticles of light which we now call photons.”
Created: 8/11/2026, 5:36:17 AM
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