Liquid Metal Battery Goes Into Production
https://hackaday.com/2023/08/12/liquid-metal-battery-goes-into-production/

The news is rife with claims of the next great thing in clean energy generation, but most of these technologies never make it to production. Whether that’s due to cost …read more (https://hackaday.com/2023/08/12/liquid-metal-battery-goes-into-production/)

Opening a Curta — With Great Care
https://hackaday.com/2023/08/12/opening-a-curta-with-great-care/

screen capture from the project’s YouTube video
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2023/08/curta-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/08/curta-feature.png?w=800">We’ve always admired Curta mechanical calculators, and would be very hesitant to dismantle one. But [Janus Cycle] did just that — and succeeded. A friend sent him a Curta Model …read more (https://hackaday.com/2023/08/12/opening-a-curta-with-great-care/)

Modern Demo for a Casio PB-700 Pocket Computer Plotter
https://hackaday.com/2023/08/13/modern-demo-for-a-casio-pb-700-pocket-computer-plotter/

Image from Fred’s project blog
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2023/08/pb7-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/08/pb7-feature.png?w=800">[Fred] has a Casio PB-700 pocket calculator / computer, complete with the companion docking station featuring a four-color pen plotter, model FA-10, and a microcassette tape recorder, model CM-1. He …read more (https://hackaday.com/2023/08/13/modern-demo-for-a-casio-pb-700-pocket-computer-plotter/)

Stuffing a 32-Pin Chip Into a 28-Pin Socket
https://hackaday.com/2023/08/13/stuffing-a-32-pin-chip-into-a-28-pin-socket/

What’s the difference between a 64k ROM in a 28-pin DIP and a 128k ROM in a 32-pin DIP? Aside from the obvious answers of “64k” and “four pins,” it …read more (https://hackaday.com/2023/08/13/stuffing-a-32-pin-chip-into-a-28-pin-socket/)

Eliminating Charge-Carrier Trapping In Organic Semiconductors
https://hackaday.com/2023/08/13/eliminating-charge-carrier-trapping-in-organic-semiconductors/

a–d, Crystal structures of the 1CzTrz-F (a,b) and 3CzTrz-F (c,d) compounds, determined by XRD. a,c, Diagrams of the two dimers of both crystallographic unit cells to show the molecular packing. b,d, Spatial arrangement of the acceptor–donor contacts in the 3D crystal structure. The triazine acceptor and the carbazole donor units are coloured orange and blue, respectively. The green features in d indicate co-crystallized chloroform molecules. (Credit: Oskar Sachnik et al., 2023)
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/08/41563_2023_1592_Fig3_HTML.jpeg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/08/41563_2023_1592_Fig3_HTML.jpeg?w=800">For organic semiconductors like the very common organic light-emitting diode (OLED), the issue of degradation due to contaminants that act as charge traps is a major problem. During the development …read more (https://hackaday.com/2023/08/13/eliminating-charge-carrier-trapping-in-organic-semiconductors/)

Making Things Square in Three Dimensions
https://hackaday.com/2023/08/13/making-things-square-in-three-dimensions/

Measure twice, cut once is excellent advice when building anything, from carpentry to metalworking. While this adage will certainly save a lot of headache, mistakes, and wasted material, it will …read more (https://hackaday.com/2023/08/13/making-things-square-in-three-dimensions/)

Portable 1990s POS Will Strain Your Back
https://hackaday.com/2023/08/13/portable-1990s-pos-will-strain-your-back/