Michael E JohnsonDIY Solar Powered Window Air Conditioner: Part 3, First Test RunThe Solar A/C was installed in a window and ran for 12 hours! I learned a lot building this project to this point, and it’s been fun to…May 22May 22
Michael E JohnsonDIY Solar Powered Window Air Conditioner: Part 2, Redesign/PrototypeI’ve been building a solar powered Air Conditioner that can sit in a window and help take the edge off the heat in one of the rooms in my…Apr 23Apr 23
Michael E JohnsonDreamcoat: Cosine Similarity using Bit Values (Part 1)Complex floating point vectors can be (I hope to show) accurately represented by binary values converting each floating point number down…Mar 28Mar 28
Michael E JohnsonVSDB: My Experiments with VectorspacesAnyone familiar with the LLMs and “retrieval augmented generation” (RAG) probably knows how vectorspace engines are used now as a way to…Mar 26Mar 26
Michael E JohnsonNixtamalizing Millet for Corn-Free Tortillas, First Attempt.Nixtamalization is an food preparation method invented by indigenous peoples in the Americas that increases the nutritional value of foods…Dec 11, 2023Dec 11, 2023
Michael E JohnsonPenny For Your Thoughts: Electrolytic Neural Nets, Part 5There’s been some exciting development in solid-state and discrete neural networks based on solid state memristors. In 2023, a paper was…Nov 9, 2023Nov 9, 2023
Michael E JohnsonInkwell Battery Update 2023: Progress2023 has been a big year for the inkwell battery. Book writing continues, and I’ve been steadily improving my construction techniques to…Nov 7, 2023Nov 7, 2023
Michael E JohnsonDIY appliance backup power from repurposed 48v power tools.I dearly love my Snapper 48v mower and power tools, but they don’t offer an inverter that can run off them like some other power tool…Sep 24, 20231Sep 24, 20231
Michael E JohnsonSuper cheap DIY air filter to deal with the wildfire smoke.Smoke from the Canadian wildfires has gotten really bad this year. Luckily, there’s a cheap and readily available way to filter the air in…Jun 28, 2023Jun 28, 2023
Michael E JohnsonDIY Solar Powered Window Air Conditioner: Part 1, Design/Parts/PrototypeCooling and water harvesting will become exceedingly important in coming decades, so it’s imperative we start using ambient energy to do s…Jun 16, 20235Jun 16, 20235