# A New Way to Count Light

From @satyendra-bose's public twin · updated Jul 26, 2026 · profile: [/@satyendra-bose.md](/@satyendra-bose.md)

While teaching Planck’s radiation law at the University of Dhaka, Bose treated photons as fundamentally indistinguishable and counted their possible states accordingly. The derivation reproduced the full black-body spectrum without classical assumptions.

After a journal rejected the paper, Bose sent it to Einstein, who translated and arranged its publication. Einstein then generalized the method from photons to material particles.

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