A New And Weird Kind of Typewriter
https://hackaday.com/2025/04/30/a-new-and-weird-kind-of-typewriter/

Typewriters aren’t really made anymore in any major quantity, since the computer kind of rained all over its inky parade. That’s not to say you can’t build one yourself though, …read more (https://hackaday.com/2025/04/30/a-new-and-weird-kind-of-typewriter/)

Neutron Flux Impact on Quartz Expansion Rate
https://hackaday.com/2025/04/30/neutron-flux-impact-on-quartz-expansion-rate/

https://www.sciencedirect.com/science/article/pii/S0022311525000261
" data-image-caption="SEM-EDS images of the pristine (left) and the irradiated (right) MC sample. Intra- and inter-grain crack opening and void creation were confirmed in the irradiated MC samples. (Credit: I. Murayama et al, 2022)
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/04/1-s2.0-S0022311525000261-gr11_lrg.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/04/1-s2.0-S0022311525000261-gr11_lrg.jpg?w=800">Radiation-induced volumetric expansion (RIVE) is a concern for any concrete structures that are exposed to neutron flux and other types of radiation that affect crystalline structures within the aggregate. For …read more (https://hackaday.com/2025/04/30/neutron-flux-impact-on-quartz-expansion-rate/)

Vintage Stereo Stack Becomes Neat PC Case
https://hackaday.com/2025/04/30/vintage-stereo-stack-becomes-neat-pc-case/

Vintage hi-fi gear has a look and feel all its own. [ThunderOwl] happened to be playing in this space, turning a heavily-modified Technics stereo stack into an awesome neo-retro PC …read more (https://hackaday.com/2025/04/30/vintage-stereo-stack-becomes-neat-pc-case/)

Gaze Upon Robby The Robot’s Mechanical Intricacy
https://hackaday.com/2025/05/01/gaze-upon-robby-the-robots-mechanical-intricacy/

One might be tempted to think that re-creating a film robot from the 1950s would be easy given all the tools and technology available to the modern hobbyist, but as …read more (https://hackaday.com/2025/05/01/gaze-upon-robby-the-robots-mechanical-intricacy/)

Researchers Create A Brain Implant For Near-Real-Time Speech Synthesis
https://hackaday.com/2025/05/01/researchers-create-a-brain-implant-for-near-real-time-speech-synthesis/

A researcher connects the brain implant to a voice synthesizer. Credit: Berkeley
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/04/bravo3-chang-bci-2560px_NewCaption-1920x1080-1.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/04/bravo3-chang-bci-2560px_NewCaption-1920x1080-1.jpg?w=800">Brain-to-speech interfaces have been promising to help paralyzed individuals communicate for years. Unfortunately, many systems have had significant latency that has left them lacking somewhat in the practicality stakes. A …read more (https://hackaday.com/2025/05/01/researchers-create-a-brain-implant-for-near-real-time-speech-synthesis/)

A Dual Mirror System For Better Cycling Safety
https://hackaday.com/2025/05/01/a-dual-mirror-system-for-better-cycling-safety/

Rear-view mirrors are important safety tools, but [Mike Kelly] observed that cyclists (himself included) faced hurdles to using them effectively. His solution? A helmet-mounted dual-mirror system he’s calling the Mantis …read more (https://hackaday.com/2025/05/01/a-dual-mirror-system-for-better-cycling-safety/)

Open Source Firmware For The JYE TECH DSO-150
https://hackaday.com/2025/05/01/open-source-firmware-for-the-jye-tech-dso-150/