This laser display is persistent thanks to a glow-in-the-dark screen. [Daniel] built it using a Blu-ray laser diode. As the laser dot traverses the screen, it charges the phosphors in the glow ...

[Jay] hacked a Blu-Ray laser diode into a keychain enclosure. He found a heavy brass keychain light from Lowe’s and stuffed the diode and a larger battery inside. The existing batteries weren ...

Blu-ray discs use a different kind of laser technology, which eventually became the industry standard for film and movies by 2008. In part, this is due to the fact that its players could be ...

Millions of DVDs from Warner Bros, released between 2006 and 2008, have become unplayable due to a manufacturing defect that ...