We recently told you about Wicked Laser’s new Sonar model, a pocket laser made from the Blu-ray diode (ripped from the still-beating heart of a Blu-ray DVD player).
https://gizmodo.com/wicked-lasers-blu-ray-powered-laser-214360
Those mad scientists over at Wicked Lasers provided some pictures of the process. For those sensitive to the graphic misuse of A/V equipment, parental discretion is advised.
Upgrades.
Making the Sonar [hacked gadgets]