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Fresh hacks every day By Al Williams | March 5, 2025 Nowadays, if you have a microscope, you probably have a camera of some sort attached. [Applied Science] shows how you can add an array of tiny LEDs and some compute …read more By Kristina Panos | March 5, 2025 [Hope This Works] wants to someday build a tiny factory l
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Reject Fluid Simulations, Return To Rheoscopic Fluid
2+ week, 4+ day ago (38+ words) Fluid simulations are one of the "killer apps" of high-performance computing, but if you can't afford the performance, they can take a depressingly long time to run. Depending on your use case, as lon......
MagQuest: Measuring Earth’s Magnetic Field With Space-Based Quantum Sensors
9+ mon, 3+ day ago (346+ words) https://www.nasa.gov/image-feature/japans-northernmost-main-island-of-hokkaido " data-image-caption="Japan’s northermost island of Hokkaido, with the glow from Earth’s atmosphere visible. (Source: NASA, Aki Hoshide) " data-medium-file="https://hackaday.com/wp-content/uploads/2021/07/japan_northernmost_island_hokkaido_from_ISS.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/07/japan_northernmost_island_hokkaido_from_ISS.jpg?w=800" />Recently the MagQuest competition on improving the measuring of the Earth’s magnetic field announced that the contestants in…...
Building An Acoustic Radiometer
9+ mon, 2+ week ago (450+ words) [A circular metal vessel is shown, with a symmetrical rotor of four vanes standing inside. At the bottom of the vessel are four loudspeakers.]A Crookes radiometer, despite what many explanations claim, does not work because of radiation pressure. When…...