TEA Laser - Easy Homemade/DIY Laser

TEA laser demonstrations using my homemade/DIY laser, including using highlighter ink, or fluorescein, to make the laser beam visible, and using a mirror to redirect the laser. TEA stands for Transverse Electrical discharge at Atmospheric pressure, and is an easy to make type of nitrogen laser, the hardest part being the high voltage power supply. See also: How to Make a TEA Laser (coming October 18) How a TEA Laser Works - an Explanation (coming in late October) How a Pris