DIY Polyphonic Synth Sings in 8-Part Harmony
https://hackaday.com/2025/11/22/diy-polyphonic-synth-sings-in-8-part-harmony/

There’s just something about an analog synthesizer. You’d think that for electronic music, digital sampling would have totally taken over by now, but that’s really not true. The world of …read more (https://hackaday.com/2025/11/22/diy-polyphonic-synth-sings-in-8-part-harmony/)

Saving a Rental Ebike From the Landfill
https://hackaday.com/2025/11/23/saving-a-rental-ebike-from-the-landfill/

One of the hardest things about owning a classic car is finding replacement parts. Especially if the car is particularly old or rare, or if the parent company is now …read more (https://hackaday.com/2025/11/23/saving-a-rental-ebike-from-the-landfill/)

Deep Fission Wants to put Nuclear Reactors Deep Underground
https://hackaday.com/2025/11/23/deep-fission-wants-to-put-nuclear-reactors-deep-underground/

Today’s pressurized water reactors (PWRs) are marvels of nuclear fission technology that enable gigawatt-scale power stations in a very compact space. Though they are extremely safe, with only the TMI-2 …read more (https://hackaday.com/2025/11/23/deep-fission-wants-to-put-nuclear-reactors-deep-underground/)

A PCB Can Be A Hydrofoil, If it Really Wants To
https://hackaday.com/2025/11/23/a-pcb-can-be-a-hydrofoil-if-it-really-wants-to/

You know those old cliche that the younger generations have begun to cynically despise: “follow your dreams!” “You can be anything you put your mind to!” — well, perhaps they …read more (https://hackaday.com/2025/11/23/a-pcb-can-be-a-hydrofoil-if-it-really-wants-to/)

Measuring Earth’s Rotation with Two Gyroscopes
https://hackaday.com/2025/11/23/measuring-earths-rotation-with-two-gyroscopes/

We’ve probably all had a few conversations with people who hold eccentric scientific ideas, and most of the time they yield nothing more than frustration and perhaps a headache. In …read more (https://hackaday.com/2025/11/23/measuring-earths-rotation-with-two-gyroscopes/)

Retrotechtacular: Computers in Schools? 1979 Says Yes
https://hackaday.com/2025/11/23/retrotechtacular-computers-in-schools-1979-says-yes/

The BBC wanted to show everyone how a computer might be used in schools. A program aired in 1979 asks, “Will Computers Revolutionise Education?” There’s vintage hardware and an appearance …read more (https://hackaday.com/2025/11/23/retrotechtacular-computers-in-schools-1979-says-yes/)