The theory behind the device is simple – point a laser at some glow in the dark surface – but [Riley] is doing this project right. Instead of jittery servos, the X and Y axes of the laser ...

The plan is to use a simple laser-cut box with a bottom plate with mounting holes lining up with those on the PCB. A Top plate is created by taking the outline of the PCB and adding a little margin.

A Simple iPad Add-On That Helps You Draw Flawlessly Like digital tracing paper, the new Masterpiece app for Osmo's iPad accessory lets you draw with pens and pencils while using the screen as a guide.

A simple laser for quantum-like classical light. Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS. Funder National Natural Science Foundation of China ...

Researchers manipulated light with liquid crystals to create a sculpted laser beam capable of producing this photorealistic image of a cat. Credit: P.F. Silva & S.R. Muniz, 2022 ...