[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 ...

While [Micah] want’s to use these Blu-ray drives for laser graffiti, there are a number of other slightly more useful reasons for the build. With a DVD drive, you can hold a red blood cell in ...

including 'blu-ray' DVD systems. Figure 1: The epilayer structure of an InGaN green laser diode on a c-sapphire substrate. The key to the success of Miyoshi et. al. was their ability to improve ...

A semiconductor laser that emits light in the 400-450 nm ... but became practical and widely used after the turn of the century. See Blu-ray and UDO. THIS DEFINITION IS FOR PERSONAL USE ONLY.

P hysical media fans need not panic yet—you’ll still be able to buy new Blu-Ray movies for your collection. But for those who like to save copies of their own data onto the di ...

Related: Why you shouldn’t throw out those DVDs and Blu-rays] Blu-ray discs are read using a 405 nanometer laser diode that, while often referred to as “blue,” technically falls in a shorter ...