Ever wondered if you could build a robot controlled by chemical reactions? [Marb] explores this wild concept in his video, merging chemistry and robotics in a way that feels straight …read more (https://hackaday.com/2024/12/05/gray-matter-on-a-chip-building-an-artificial-brain-with-luminol/)

Unconventional Oil Production, All You Need to Know
https://hackaday.com/2024/12/05/unconventional-oil-production-all-you-need-to-know/

It’s fair to say that climate change is perhaps the greatest challenge facing our planet, and while much attention is directed towards solutions to the problems it presents, perhaps there’s …read more (https://hackaday.com/2024/12/05/unconventional-oil-production-all-you-need-to-know/)

A Hundred Year Old Solid State Amplifier
https://hackaday.com/2024/12/05/a-hundred-year-old-solid-state-amplifier/

Conventional wisdom has it that the solid state era in electronics began in 1948 with the invention of the transistor, or if you wish to split hairs, with the 1930s …read more (https://hackaday.com/2024/12/05/a-hundred-year-old-solid-state-amplifier/)

Non-Planar Fuzzy Skin Textures Improved, Plus a Paint-On Interface
https://hackaday.com/2024/12/06/non-planar-fuzzy-skin-textures-improved-plus-a-paint-on-interface/

If you’ve wanted to get in on the “fuzzy skin” action with 3D printing but held off because you didn’t want to fiddle with slicer post-processing, you need to check …read more (https://hackaday.com/2024/12/06/non-planar-fuzzy-skin-textures-improved-plus-a-paint-on-interface/)

Hacked Ultrasonic Sensors Let You See With Sound
https://hackaday.com/2024/12/06/hacked-ultrasonic-sensors-let-you-see-with-sound/

If you want to play with radar — and who could blame you — you can pretty easily get your hands on something like the automotive radar sensors used for …read more (https://hackaday.com/2024/12/06/hacked-ultrasonic-sensors-let-you-see-with-sound/)

Retro Computer Goes Back to the 1950s
https://hackaday.com/2024/12/06/retro-computer-goes-back-to-the-1950s/

When tackling a retrocomputing project, plenty of us will go back to a place like the 80s and restore something like a Commodore64 or Apple II. These computers were very …read more (https://hackaday.com/2024/12/06/retro-computer-goes-back-to-the-1950s/)

This Week in Security: National Backdoors, Web3 Backdoors, and Nearest Neighbor WiFi
https://hackaday.com/2024/12/06/this-week-in-security-national-backdoors-web3-backdoors-and-nearest-neighbor-wifi/

Maybe those backdoors weren’t such a great idea. Several US Telecom networks have been compromised by a foreign actor, likely China’s Salt Typhoon, and it looks like one of the …read more (https://hackaday.com/2024/12/06/this-week-in-security-national-backdoors-web3-backdoors-and-nearest-neighbor-wifi/)

The 6809 8-Bit Microcomputer: A Father-Son Odyssey
https://hackaday.com/2024/12/06/the-6809-8-bit-microcomputer-a-father-son-odyssey/

If you’re nostalgic for the golden age of microprocessors and dream of building your own computer, this story might spark your imagination. [Eric Lind], passionate retro enthusiast and his 14-year-old …read more (https://hackaday.com/2024/12/06/the-6809-8-bit-microcomputer-a-father-son-odyssey/)