Most of us would equate commercial airline travel with fixed-wing aircraft, but civilian transport by helicopter, especially in large and sparsely populated regions, is common enough. It was once even …read more (https://hackaday.com/2024/07/05/a-look-back-at-the-ussrs-mi-6-helicopter-airliner/)

The Thermite Process Iron Foundry
https://hackaday.com/2024/07/05/the-thermite-process-iron-foundry/

The thermite process is a handy way to generate molten iron in the field. It’s the reaction between aluminium metal and iron oxide, which results in aluminium oxide and metallic …read more (https://hackaday.com/2024/07/05/the-thermite-process-iron-foundry/)

Dad? Where Did Printed Circuit Boards Come From?
https://hackaday.com/2024/07/05/dad-where-did-printed-circuit-boards-come-from/

These days, it is hard to imagine electronics without printed circuit boards. They are literally in everything. While making PCBs at home used to be a chore, these days, you …read more (https://hackaday.com/2024/07/05/dad-where-did-printed-circuit-boards-come-from/)

Building an IR Thermometer That Fits on Your Keychain
https://hackaday.com/2024/07/05/building-an-ir-thermometer-that-fits-on-your-keychain/

Non-contact infrared (IR) thermometers used to be something of an exotic tool, but thanks at least in part due to the COVID-19 pandemic, they’re now the sort of thing you …read more (https://hackaday.com/2024/07/05/building-an-ir-thermometer-that-fits-on-your-keychain/)

New Solar Spheres Claim to be Better than Solar Panels
https://hackaday.com/2024/07/06/new-solar-spheres-claim-to-be-better-than-solar-panels/

When you think of solar energy, you probably think of flat plates on rooftops. A company called WAVJA wants you to think of spheres. The little spheres, ranging from one …read more (https://hackaday.com/2024/07/06/new-solar-spheres-claim-to-be-better-than-solar-panels/)

Candle Powered Lantern Isn’t as Silly as You Think
https://hackaday.com/2024/07/06/candle-powered-lantern-isnt-as-silly-as-you-think/

[Gilles Messier] at the Our Own Devices YouTube channel recently took a look at an interesting device — an electric lantern powered by a candle. At first glance, this sounds …read more (https://hackaday.com/2024/07/06/candle-powered-lantern-isnt-as-silly-as-you-think/)

Halfway Between Inspiration and Engineering
https://hackaday.com/2024/07/06/halfway-between-inspiration-and-engineering/

We see a lot of hacks where the path to success is pretty obvious, if maybe strewn with all sorts of complications, land-mines, and time-sinks. Then we get other hacks …read more (https://hackaday.com/2024/07/06/halfway-between-inspiration-and-engineering/)