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Considering how important it is for everything from navigation to keeping clocks in sync, satellite navigation systems are surprisingly vulnerable to a variety of attacks, ranging from simple jamming to …read more (https://hackaday.com/2026/09/27/defeating-satellite-spoofing-with-galileos-encryption/)
Going on a Tangent with the Intel 8087’s Hybrid CORDIC Algorithm
https://hackaday.com/2026/09/27/going-on-a-tangent-with-the-intel-8087s-hybrid-cordic-algorithm/
Continuing their reverse-engineering of Intel’s 8087 FPU, [Ken Shirriff] and friends took a look at one of the trigonometric functions, specifically FPTAN.  The most exciting part with such reverse-engineering is …read more (https://hackaday.com/2026/09/27/going-on-a-tangent-with-the-intel-8087s-hybrid-cordic-algorithm/)
When flying over the United States, Australia, and a few other vast and relatively empty parts of the world, strange circular formations can be spotted. These are typically center-pivot irrigation …read more (https://hackaday.com/2026/09/27/center-pivot-system-modified-to-mow-lawn/)
It isn’t quite hailing frequencies open, but researchers from Harvard claim they’ve picked up a radio signal directly from a nearby exoplanet. Before you get too excited, planets in our …read more (https://hackaday.com/2026/09/27/hackaday-links-september-27-2026/)
The speed that computers have gotten smaller is a bit mind-bending. Most of us now walk around with computers in our pockets that would have rivaled the supercomputers from a …read more (https://hackaday.com/2026/09/28/an-ir-blaster-project-in-a-nutshell/)
Although the Nintendo 64 was the first to bring real 3D graphics to the table in 1996, the Super Nintendo had an ace up its sleeve in the form of …read more (https://hackaday.com/2026/09/28/using-the-snes-super-fx-chip-to-run-super-mario-64/)
FPGAs used to be mysterious, expensive devices, but these days you can buy surprisingly capable boards for very little money. Some years ago, I did an FPGA Bootcamp over on …read more (https://hackaday.com/2026/09/28/the-fpga-chronicles-exploring-the-tang-nano-20k/)