Is 2025 finally the year of non-planar 3D printing? Maybe it won’t have to be if [Ten Tech] gets his way! Ironing is the act of going over the top …read more (https://hackaday.com/2025/09/17/smooth-non-planar-3d-ironing/)

It’s A Variable Capacitor, But Not As We Know It
https://hackaday.com/2025/09/17/its-a-variable-capacitor-but-not-as-we-know-it/

Radio experimenters often need a variable capacitor to tune their circuits, as the saying goes, for maximum smoke. In decades past these were readily available from almost any scrap radio, …read more (https://hackaday.com/2025/09/17/its-a-variable-capacitor-but-not-as-we-know-it/)

Getting the Most out of ISM Transceivers Using Math
https://hackaday.com/2025/09/17/getting-the-most-out-of-ism-transceivers-using-math/

WiFi is an excellent protocol, but it certainly has its weaknesses. Its range in even a normal home is relatively limited, so you could imagine the sort of performance you’d …read more (https://hackaday.com/2025/09/17/getting-the-most-out-of-ism-transceivers-using-math/)

When Is Your Pyrex Not The Pyrex You Expect?
https://hackaday.com/2025/09/17/when-is-your-pyrex-not-the-pyrex-you-expect/

It’s not often that Hackaday brings you something from a cooking channel, but [I Want To Cook] has a fascinating look at Pyrex glassware that’s definitely worth watching. If you …read more (https://hackaday.com/2025/09/17/when-is-your-pyrex-not-the-pyrex-you-expect/)

Give Your Band The Music Of The Bands
https://hackaday.com/2025/09/18/give-your-band-the-music-of-the-bands/

The way to get into radio, and thence electronics, in the middle years of the last century, was to fire up a shortwave receiver and tune across the bands. In …read more (https://hackaday.com/2025/09/18/give-your-band-the-music-of-the-bands/)

Listening for the Next Wow! Signal with Low-Cost SDR
https://hackaday.com/2025/09/18/listening-for-the-next-wow-signal-with-low-cost-sdr/

The Wow! signal represented as “6EQUJ5” with Jerry R. Ehman’s handwritten comment.
" data-medium-file="https://hackaday.com/wp-content/uploads/2022/09/Wow_signal.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/09/Wow_signal.jpg?w=800">As you might expect, the University of Puerto Rico at Arecibo has a fascination with radio signals from space. While doing research into the legendary “Wow! Signal” detected back in …read more (https://hackaday.com/2025/09/18/listening-for-the-next-wow-signal-with-low-cost-sdr/)

A New Generation of Spacecraft Head to the ISS
https://hackaday.com/2025/09/18/a-new-generation-of-spacecraft-head-to-the-iss/

While many in the industry were at first skeptical of NASA’s goal to put resupply flights to the International Space Station in the hands of commercial operators, the results speak …read more (https://hackaday.com/2025/09/18/a-new-generation-of-spacecraft-head-to-the-iss/)

PCBs the Prehistoric Way
https://hackaday.com/2025/09/18/pcbs-the-prehistoric-way/