Tech Tangents II | IBM Monochrome CRT P7 Phosphor Persistance @techtangentsii | Uploaded September 2020 | Updated October 2024, 1 hour ago.
This tube uses a P7 phosphor coating that emits an initial bright blue light followed by a long yellow decay.
en.wikipedia.org/wiki/Phosphor#Standard_phosphor_types
The two light colors mix temporally in your vision to produce a white image.
I filmed the effect by reducing the shutter speed of the camera while filming to shorten the window of the visibility of the fluorescence decay.
This tube uses a P7 phosphor coating that emits an initial bright blue light followed by a long yellow decay.
en.wikipedia.org/wiki/Phosphor#Standard_phosphor_types
The two light colors mix temporally in your vision to produce a white image.
I filmed the effect by reducing the shutter speed of the camera while filming to shorten the window of the visibility of the fluorescence decay.
