This cool Kickstarter allows you to build a working speaker using plasma energy. It’s a little esoteric, but here’s the deal: this is a little kit that contains everything you need to play music using a plasma arc. If that doesn’t seem like your idea of a good time, you might be reading the wrong post.
That said, here’s how it works: for $40 you get the bits that make the arc vibrate and for $80 you get all of the bits, including a power supply and flyback transformer. The kit was designed and built by StudentRND a group of cool kids in Seattle who, along with volunteers, build wild technological artifacts. This looks to be one of their first Kickstarter projects and they requested $2,000 to build a few kits and support their mission. They’re over their minimum, so the project will get funded and you will be able finally play Smoke On The Water using a tiny plasma arc.
Even if you’re not down with shooting electricity through the air, StudentRND seems like a great organization and they’re clearly having fun with science, which is something I can definitely get behind.