Pumped hydro storage is one of the oldest grid storage technologies, and one of the most widely deployed, too. The concept is simple – use excess energy to pump a …read more (https://hackaday.com/2022/02/02/underwater-tanks-turn-energy-storage-upside-down/)

Hackaday Invades the FLOSS Weekly Podcast
https://hackaday.com/2022/02/02/hackaday-invades-the-floss-weekly-podcast/

Regular Hackaday readers will know that we’re big supporters of free/libre and open source software (FLOSS) around these parts. There’s an excellent chance you are too, as so many of …read more (https://hackaday.com/2022/02/02/hackaday-invades-the-floss-weekly-podcast/)

Know Audio: A Mess Of Cables
https://hackaday.com/2022/02/02/know-audio-a-mess-of-cables/

We’ve now spent several months in this series journeying through the world of audio, and along the way we’ve looked at the various parts of a Hi-Fi system from the …read more (https://hackaday.com/2022/02/02/know-audio-a-mess-of-cables/)

Defective 3D Printing for Great Strength
https://hackaday.com/2022/02/02/defective-3d-printing-for-great-strength/

Most of us want our 3D prints to be perfect. But at Cornell University, they’ve been experimenting with deliberately introducing defects into printed titanium. Why? Because using a post-print treatment …read more (https://hackaday.com/2022/02/02/defective-3d-printing-for-great-strength/)

The Wanhao Duplicator CNC Heat Sealer
https://hackaday.com/2022/02/02/the-wanhao-duplicator-cnc-heat-sealer/

https://www.thanehunt.com/#/cnc-heat-sealer/
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/02/PXL_20220109_024256925_AdobeCreativeCloudExpress.gif?w=270" data-large-file="https://hackaday.com/wp-content/uploads/2022/02/PXL_20220109_024256925_AdobeCreativeCloudExpress.gif?w=270">[Thane Hunt] needed to find a way to make a variety of different heat-seal patterns on a fluid heat exchanger made from polyolefin film, and didn’t want all the lead …read more (https://hackaday.com/2022/02/02/the-wanhao-duplicator-cnc-heat-sealer/)

Keep Track Of Your Google Calendar With This Custom Build
https://hackaday.com/2022/02/02/keep-track-of-your-google-calendar-with-this-custom-build/

Keeping track of your appointments on Google Calendar is easy enough if you’re holding a phone or sitting at a computer, but sometimes you just want to know what’s going …read more (https://hackaday.com/2022/02/02/keep-track-of-your-google-calendar-with-this-custom-build/)

3d Printed Circular Prototype Performance Prop Captivates Circus Spectators
https://hackaday.com/2022/02/02/3d-printed-circular-prototype-performance-prop-captivates-circus-spectators/

When mathematically inspired maker [Henry Segerman] conspired with circus performer and acrobat [Marcus Paoletti] to advance the craft of acrobatics in round metal objects (such as cyr wheels and German …read more (https://hackaday.com/2022/02/02/3d-printed-circular-prototype-performance-prop-captivates-circus-spectators/)