Citizen scientist
In an effort to replicate the experiment Edwin Hall used to discover the Hall Effect on October 28 1879, I designed and laser cut an acrylic holder to secure a thin foil to wires. In my initial searches I had trouble finding illustrations of the setup originally used by Hall. However after building the initial…
Nothing really new here. I ordered a bunch of Ultrasonic Transducers to experiment with something like CREATING COHERENT SOUND BEAMS, EASILY or A Directional Audible Sound System using Ultrasonic Transducers. While I was figuring out how to build a driver for the transducers I decided to do a quick levitator. Have a look at a…
Right now this is just a post to dump information others might find interesting, but mostly to keep my notes somewhere. I’ve had an Edwards ES200 rotary vane pump to work with for the past few months, and I believe the oil is a bit old/contaminated/something where it should be replaced. So I set out…
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