In this video, I test the quality and performance of Baltic birch plywood on laser engravers. The materials include 1/8" and ...

An Atmel ATtiny26 microcontroller is used to create this laser video projector where its functionality revolves around good control of the laser. An Atmel ATtiny26 microcontroller is used to create ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. James has been writing about ...

A compact ultraviolet-B (UV-B) semiconductor laser diode emitting at 318 nm under continuous-wave operation at room-temperature. The device demonstrates stable UV-B lasing on a low-cost sapphire ...