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 ...

[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 ...

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.

Related: World's most powerful X-ray laser set for massive upgrade ... They directed a green laser and a blue laser into the ruby at right angles to each other. On a screen opposite the blue ...

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