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317070yesterday at 8:27 AM1 replyview on HN

A flower, a picture of the flower in print and the picture shown on a screen will all have different spectra, but look the same.

See the first minutes of this video, where he has a spectrum analyser: https://youtu.be/-DyrBDsKA5s?si=mRJPT2ecy6NqpB4N


Replies

Sophirayesterday at 9:13 AM

That video was super interesting, thank you!