Launched in 1976, LAGEOS-1 (LAser GEOdynamic Satellite) is unusual in that it contains no instrumentation, no electronics, no power supply, and no means of propulsion. It’s spherical, weighs just under …read more (https://hackaday.com/2026/09/12/the-heavy-disco-ball-satellite-designed-to-do-nothing/)

Supercon is Nigh!
https://hackaday.com/2026/09/12/supercon-is-nigh/

The 2026 Hackaday Superconference is just around the corner in November. It’s hard to believe that we’ve been having an annual gathering for so long, but this is number ten. …read more (https://hackaday.com/2026/09/12/supercon-is-nigh/)

This Mac Is Open Source Hardware
https://hackaday.com/2026/09/12/this-mac-is-open-source-hardware/

Apple hardware has always been proprietary, sometimes to an extreme. But that’s not to say that it’s impossible to make something that does the same job, which is what [DosFox1] …read more (https://hackaday.com/2026/09/12/this-mac-is-open-source-hardware/)

Big Infinity Mirror Clock Invites You To Gaze Deeply
https://hackaday.com/2026/09/12/big-infinity-mirror-clock-invites-you-to-gaze-deeply/

[Andy Huot] has a fantastic-looking infinity mirror digital clock that really raises the bar. It uses high quality components, smart use of RGB LED animations, and a clever “stacked diffuser” …read more (https://hackaday.com/2026/09/12/big-infinity-mirror-clock-invites-you-to-gaze-deeply/)

Making an Air-Powered Circular Saw with LEGO
https://hackaday.com/2026/09/12/making-an-air-powered-circular-saw-with-lego/

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 (https://hackaday.com/2026/09/12/making-an-air-powered-circular-saw-with-lego/)

2026 Retrocomputing Challenge: 16-Bit Homebrew Relay Computer
https://hackaday.com/2026/09/12/2026-retrocomputing-challenge-16-bit-homebrew-relay-computer/

You want Retro? We did, when we started our retrocomputing challenge. [Peter] decided that transistors weren’t retro enough, and sent us this lovely homebrew relay computer, complete with 16- bit …read more (https://hackaday.com/2026/09/12/2026-retrocomputing-challenge-16-bit-homebrew-relay-computer/)

Spin FV-1 Emulator Simplifies Sound Pedal Development
https://hackaday.com/2026/09/12/spin-fv-1-emulator-simplifies-sound-pedal-development/

If you’ve never heard of the Spin Semiconductors FP-1 digital signal processor chip, don’t worry– that just means you haven’t been deep into guitar petals and audio effects hardware lately. …read more (https://hackaday.com/2026/09/12/spin-fv-1-emulator-simplifies-sound-pedal-development/)