Recent content by EricBazan

I found this - (The Cryogenic Laser) https://www.youtube.com/watch?v=0w4czym1FFg Near the end of the video the diode was lasing at ~605nm, close to 1/2 watt. It appeared almost yellow. Through a grating it was a sunrise/sunset color. Unfortunately doing this requires an expensive apparatus...

About 10 years ago I experimented with a lava lamp style laser projector. It used a blob of mineral oil suspended in a rubbing alcohol solution. All stuff that can be found in most drug stores. When the bubbles were gently heated interesting patterns were projected by shining a laser through the...