In this video, we create a unique Star Wars–style table: wood, resin, CNC machining, laser engraving, and striking lighting.

I made Life Of Pi Diorama / long ray5 cutting boat use long ray5 to create a boat longer ray 5 - Engraving Materials: All ...

Quantum cascade lasers are made up of many thin layers of semiconductor. An injected electron makes a small energy transition as it moves from one layer to the next, emitting light on each cascade.