[RyderCalmDown] was watching a road painting vehicle lay down fresh stripes on the road one day and started thinking about the mechanism that lets it paint stripes in such a …read more (https://hackaday.com/2023/06/22/is-this-the-worlds-largest-dot-matrix-printer/)

Portable Soldering Station Runs On Drill Batteries
https://hackaday.com/2023/06/22/portable-soldering-station-runs-on-drill-batteries/

Power tool batteries are a convenient portable power supply for all manner of different things. [Zachary Goode] noticed that Ryobi was using them to power soldering irons, but no such …read more (https://hackaday.com/2023/06/22/portable-soldering-station-runs-on-drill-batteries/)

Forgotten Chemical Photography
https://hackaday.com/2023/06/22/forgotten-chemical-photography/

Much to the chagrin of Eastman Kodak, the world has moved on from chemical photography into the realm of digital, thanks to the ease of use and high quality of …read more (https://hackaday.com/2023/06/22/forgotten-chemical-photography/)

Will the Lilium Jet Work? A Deep-Dive Into the Physics Behind eVTOL Aircraft
https://hackaday.com/2023/06/22/will-the-lilium-jet-work-a-deep-dive-into-the-physics-behind-evtol-aircraft/

The Lilium Jet is a proposed eVTOL (electric Vertical Take Off and Landing) aircraft that the German company Lilium GmbH has claimed it will bring to the market ‘soon’, which …read more (https://hackaday.com/2023/06/22/will-the-lilium-jet-work-a-deep-dive-into-the-physics-behind-evtol-aircraft/)

Powerful Water Pump Is Modular In Nature
https://hackaday.com/2023/06/23/powerful-water-pump-is-modular-in-nature/

If you’ve got one decently powerful DC motor, you could conceivably build a water pump. Gang up ten of them, however, and you could build something considerably more powerful, as …read more (https://hackaday.com/2023/06/23/powerful-water-pump-is-modular-in-nature/)

Easy Modifications for Inexpensive Radios
https://hackaday.com/2023/06/23/easy-modifications-for-inexpensive-radios/

Over the past decade or so, amateur radio operators have benefited from an influx of inexpensive radios based around a much simpler design than what was typically commercially available, bringing …read more (https://hackaday.com/2023/06/23/easy-modifications-for-inexpensive-radios/)

This Week in Security: nOAuth, MiniDLNA, and Ticket to Ride
https://hackaday.com/2023/06/23/this-week-in-security-noauth-minidlna-and-ticket-to-ride/

There’s a fun logic flaw in how multiple online services handle OAuth logins, that abuses Microsoft’s Azure Active Directory service to allow account takeovers. The problem is how a site …read more (https://hackaday.com/2023/06/23/this-week-in-security-noauth-minidlna-and-ticket-to-ride/)