A Little Optical Magic Makes This Floating Display Pop

If there’s a reason that fancy holographic displays that respond to gestures are a science fiction staple, it’s probably because our current display technology is terrible. Oh sure, Ret…

Hackaday
Huh. Just watched a video about how _Mary Poppins_ was filmed, and why the compositing system they used is no longer used in film-making. #SodiumVapor #BeamSplitter #ChromaKey https://youtu.be/UQuIVsNzqDk?si=uHw5LBq3glfYHgEx
This Invention Made Disney MILLIONS, but Then They LOST It!

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How big is a visible photon?

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