Episode #125 of the Stack Overflow podcast is here. We talk Tilde Club and mechanical keyboards. Listen now

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But suppose we sample a spectrum of emission from all possible spectra. What can the eye infer from the three degrees of activation? The eye is limited to a three-way signal, where each type of receptor outputs the integral of the spectral power distribution of the stimulus $P(\lambda)$ weighted by the spectral sensitivity of the receptor, i.e. a signal of ...