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Blu-ray uses blue laser (blue-ray!) DVD uses red and CD infrared. Devices compatibles with the 3 mediums have 3 lasers on their optical pickup.
by neuralRiot 5y ago
Blu-ray uses blue laser (blue-ray!) DVD uses red and CD infrared. Devices compatibles with the 3 mediums have 3 lasers on their optical pickup.
- robocat 5y agoThanks. I anti-corrected it to red from blue when I found the video, and the statement felt really wrong when I wrote it, but I thought fuck-it - the video link is too good to miss! Lazy me.