[317070]

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

[Sophira]

That video was super interesting, thank you!