Why Are Movie Discs Called Blu-ray?
Published in
3 min readMar 23, 2021
The latest innovation for digital video and sound for movies at home came about with the introduction of the Blu-ray disc and the release of the first movies on Blu-ray in 2006. But why are these discs called Blu-ray?
The answer has to do with the laser that is used. They’re simply called Blu-ray because a blue laser (actually blue-violet laser) is used to read and write data as opposed to an infrared…
