Passive evaporative cooling has been used for centuries to reduce temperatures. Heat is drawn off as water evaporates, which in turn reduces temperature. The more efficiently this process happens the …read more (https://hackaday.com/2026/09/04/3d-printed-cubes-provide-passive-cooling/)

Hackaday Podcast Ep 385: 3D Printers with Lasers, Wicked RAM Prices, and Reverse Polish Notation
https://hackaday.com/2026/09/04/hackaday-podcast-ep-385-3d-printers-with-lasers-wicked-ram-prices-and-reverse-polish-notation/

As the calendar turns a leaf into September, Elliot Williams is joined by Jenny List for our weekly look at all things Hackaday. In the news, our retrocomputing competition is …read more (https://hackaday.com/2026/09/04/hackaday-podcast-ep-385-3d-printers-with-lasers-wicked-ram-prices-and-reverse-polish-notation/)

Repairing Traces on a Delidded Pentium III CPU Gone Wrong
https://hackaday.com/2026/09/04/repairing-traces-on-a-delidded-pentium-iii-cpu-gone-wrong/

Delidding a CPU involves removing the integrated heat spreader (IHS) that’s put over the bare die and the substrate that it is mounted on. The reason for this is usually …read more (https://hackaday.com/2026/09/04/repairing-traces-on-a-delidded-pentium-iii-cpu-gone-wrong/)

Making a Pole Balance Itself With Propellers
https://hackaday.com/2026/09/04/making-a-pole-balance-itself-with-propellers/

A fun trick with a pole is to try to balance it so that it can stand on one end. This can be done in a few ways, such as …read more (https://hackaday.com/2026/09/04/making-a-pole-balance-itself-with-propellers/)

Fixing an Expensive Seagate LaCie Hard Drive Array
https://hackaday.com/2026/09/04/fixing-an-expensive-seagate-lacie-hard-drive-array/

After the [Slow Mo Guys] acquired a 168 TB Seagate LaCie Thunderbolt 3-based RAID storage system back in 2019 to store their video footage, they were obviously slightly miffed when …read more (https://hackaday.com/2026/09/04/fixing-an-expensive-seagate-lacie-hard-drive-array/)

Parchment Paper Paired With 3D-Printed Grid Gives a Nice Glow
https://hackaday.com/2026/09/04/parchment-paper-paired-with-3d-printed-grid-gives-a-nice-glow/

This custom enclosure for a 64×64 RGB LED matrix by [Davisan1001] not only provides a mount point for a Raspberry Pi, but presents a clean and smooth face with square …read more (https://hackaday.com/2026/09/04/parchment-paper-paired-with-3d-printed-grid-gives-a-nice-glow/)

COSMAC Elf Turns 50
https://hackaday.com/2026/09/04/cosmac-elf-turns-50/

If you were interested in computers in the early 1970s, you struggled to get time on real computers since owning your own was all but impossible. In the middle of …read more (https://hackaday.com/2026/09/04/cosmac-elf-turns-50/)

Free Your Rotary Telephone From Its Wire
https://hackaday.com/2026/09/05/free-your-rotary-telephone-from-its-wire/