Not a huge percentage of our readers probably get their heat from diesel fuel, but it’s not uncommon in remote areas where other fuels are hard to come-by. If you’re …read more (https://hackaday.com/2025/12/13/condensing-diesel-heater-hack-is-dripping-with-efficiency/)

Mentra Brings Open Smart Glasses OS With Cross-Compat
https://hackaday.com/2025/12/13/mentra-brings-open-smart-glasses-os-with-cross-compat/

There are a few very different pathways to building a product, and we gotta applaud the developers taking care to take the open-source path. Today’s highlight is [Mentra], who is …read more (https://hackaday.com/2025/12/13/mentra-brings-open-smart-glasses-os-with-cross-compat/)

Watch a Recording Lathe From 1958 Cut a Lacquer Master Record
https://hackaday.com/2025/12/13/watch-a-recording-lathe-from-1958-cut-a-lacquer-master-record/

Most of us are familiar with vinyl LPs, and even with the way in which they are made by stamping a hot puck of polyvinyl chloride (PVC) into a record. …read more (https://hackaday.com/2025/12/13/watch-a-recording-lathe-from-1958-cut-a-lacquer-master-record/)

Why Games Work, and How to Build Them
https://hackaday.com/2025/12/13/why-games-work-and-how-to-build-them/

Most humans like games. But what are games, exactly? Not in a philosophical sense, but in the sense of “what exactly are their worky bits, so we know how to …read more (https://hackaday.com/2025/12/13/why-games-work-and-how-to-build-them/)

Need For Speed Map IRL
https://hackaday.com/2025/12/14/need-for-speed-map-irl/

When driving around in video games, whether racing games like Mario Kart or open-world games like GTA, the game often displays a mini map in the corner of the screen …read more (https://hackaday.com/2025/12/14/need-for-speed-map-irl/)

Teardown of a 5th Generation Prius Inverter
https://hackaday.com/2025/12/14/teardown-the-inverter-from-a-5th-generation-prius/

The best part about BEV and hybrid cars is probably the bit where their electronics are taken out for a good teardown and comparison with previous generations and competing designs. …read more (https://hackaday.com/2025/12/14/teardown-the-inverter-from-a-5th-generation-prius/)

Printing with PHA Filament as Potential Alternative to PLA
https://hackaday.com/2025/12/14/printing-with-pha-filament-as-potential-alternative-to-pla/

PLA (polylactic acid) has become the lowest common denominator in FDM 3D printing, offering decent performance while being not very demanding on the printer. That said, it’s often noted that …read more (https://hackaday.com/2025/12/14/printing-with-pha-filament-as-potential-alternative-to-pla/)

Taking Electronics to a Different Level
https://hackaday.com/2025/12/14/different-approaches-to-level-shifting/