Collaborate Disseminate
The site of the Chornobyl Nuclear Power Plant (ChNPP) remains a unique location, as what’s left of the No. 4 reactor is the only place in the world where you …read more Continue reading Sampling the Elephant’s Foot and Chornobyl’s Tedious Corium Clean-up
With the Xtensa Lx7 twin CPU cores in the ESP32-S3 running at a relatively zippy 240 MHz and accompanying PSRAM of up to 16 MB, you might find yourself wondering …read more Continue reading Running Linux 6.11 on the ESP32-S3 with a Few Tweaks
After saving a £300, 16-port Ubiquiti network switch from getting tossed into the trash, [Buy It Fix It] got the honor of trying to repair it. With four ports and …read more Continue reading Fixing a Ubiquiti 16-Port PoE Switch With an Extra Hole
Being able to monitor voltages and currents is essential for many applications, with the national electrical grid being no exception. The obvious complication here is that the voltages and currents …read more Continue reading How High-Voltage Current Transformers Monitor the Grid
With VHDL being arguably more deterministic and bullet-proof than Verilog, it’s good to see another open source VHDL simulator joining the fray that is not a variation of ghdl. Written …read more Continue reading Pulse: a New VHDL Simulator
Recently researchers finished mapping the central nervous system (CNS) connectome of not just the female Drosophila melanogaster (i.e. fruit fly) brain, but also that of the male D. melanogaster for a comparative …read more Continue reading Fly Brain Connectome Used to Trade Stocks and Play Games
After the Orion capsule of the Artemis I lunar mission returned to Earth, it was found that massive chunks of its heatshield had been ripped off, posing a serious risk …read more Continue reading Re-creating NASA’s Heat Shield Problem
During his continuing analysis of the architecture and microcode of Intel’s highly influential 8087 floating point unit (FPU) co-processor, [Ken Shirriff] has now arrived at the point where he can …read more Continue reading Analyzing the FScale Instruction in Intel’s 8087 FPU
Although building a table saw out of LEGO is probably not the first thing that comes to mind when you look at those colorful bits of plastic, [Jamie] has been …read more Continue reading Making an Air-Powered Circular Saw with LEGO
Although hard disks weren’t a common feature yet in many home computers in the 1980s, they were becoming increasingly more affordable. For relative meanings of the word ‘affordable’, naturally. This …read more Continue reading Looking at a TRS-80 12 MB External Hard Drive from 1983