Copper vapor laser is amazing

laser

What better way to spend a few months in the workshop than by heating Copper chloride to 400° C, building rotary spark gaps and 30kV capacitors, playing with high vacuums and building a very powerful laser? It's just a day in [Jon]'s life as he builds a DIY Copper vapor laser. Copper vapor lasers require temperatures of about 1500° C, but this is only when using pure Copper. Compounds such … [Read more...]

Tesla coil bullet-time photography

tesla_coil_bullet_time_photography

One thing we can all probably agree on is that Tesla coils are one part high-voltage electricity and two parts pure awesome. [Rob Flickenger] thinks so too, and he built a pretty nice one in his workshop some time ago. He took a bunch of pictures showing off the coil’s capabilities, but he thought that one photo taken from a single angle didn’t do much to relay just how fantastic it is to … [Read more...]

Jacob’s Ladder

jacobs_ladder

[jandgse812] shows us how to build a Jacob's Ladder from mostly household parts.   The bulk of the instructions for this project are included in the downloadable document, there is a downloadable video as well. Be sure to follow to the end where he shows us a much safer and possibly better looking revision. The Jacob's Ladder has become standard fair for any mad scientists laboratory. If you … [Read more...]