Amateur Radio as a hobby has a long history of encouraging experimentation using whatever one might have on hand. When [Tom Essenpreis] wanted to use his 14 MHz antenna outside …read more (https://hackaday.com/2021/08/14/surplus-syringes-make-satisfactory-tuner-for-amateur-radio-experimentation/)

The Zeloof Z2 Intergrated Circuit Has 100 Transistors
https://hackaday.com/2021/08/14/the-zeloof-z2-intergrated-circuit-has-100-transistors/

Back in 2018 we reported on the first silicon integrated circuit to be produced in a homemade chip fab. It was the work of [Sam Zeloof], and his Z1 chip …read more (https://hackaday.com/2021/08/14/the-zeloof-z2-intergrated-circuit-has-100-transistors/)

3D Printed Smart Glasses Put Linux in Your Face
https://hackaday.com/2021/08/14/3d-printed-smart-glasses-put-linux-in-your-face/

Unimpressed by DIY wearables powered by dinky microcontrollers, [Teemu Laurila] has been working on a 3D printed head-mounted computer that puts a full-fledged Linux desktop in your field of view. …read more (https://hackaday.com/2021/08/14/3d-printed-smart-glasses-put-linux-in-your-face/)

Making Ferroelectric Solar Cells Better
https://hackaday.com/2021/08/14/making-ferroelectric-solar-cells-better/

Researchers claim that using several very thin layers of ferroelectric crystals can lead to significantly better ferroelectric solar cell efficiency. But don’t pull the panels off your roof yet. Conventional …read more (https://hackaday.com/2021/08/14/making-ferroelectric-solar-cells-better/)

Yo Dawg, We Heard You Like Retrocomputers
https://hackaday.com/2021/08/14/yo-dawg-we-heard-you-like-retrocomputers/

The idea of having software translation programs around to do things like emulate a Super Nintendo on your $3000 gaming computer or, more practically, run x86 software on a new …read more (https://hackaday.com/2021/08/14/yo-dawg-we-heard-you-like-retrocomputers/)

Touchscreen Makes For A Neat Wavetable Synth
https://hackaday.com/2021/08/15/touchscreen-makes-for-a-neat-wavetable-synth/

A popular tool in chiptune software like LSDJ allows the user to draw a waveform and use it as the basis for a wavetable synth. It’s fun and it can …read more (https://hackaday.com/2021/08/15/touchscreen-makes-for-a-neat-wavetable-synth/)

3D Printed Fabric Stiffens on Demand
https://hackaday.com/2021/08/15/3d-printed-fabric-stiffens-on-demand/

Researchers in Singapore and at CalTech have developed a 3D printed fabric with an interesting property: it is generally flexible but can stiffen on demand. You can see a video …read more (https://hackaday.com/2021/08/15/3d-printed-fabric-stiffens-on-demand/)