Input impedance plottet as a function of trace impedance for trace lengths of 1/10, 1/16 and 1/20 of a wavelength. (Credit: Baltic Labs)
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/08/PCB_Trace_Length_Impact_Trace_Impedance.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/08/PCB_Trace_Length_Impact_Trace_Impedance.png?w=800">A common joke in electronics is that every piece of wire and PCB trace is an antenna, with the only difference being whether this was intentional or not. In practical …read more (https://hackaday.com/2023/08/27/when-does-impedance-matching-a-pcb-trace-become-unavoidable/)

Take a PEEK at this 3D Printer
https://hackaday.com/2023/08/28/take-a-peek-at-this-3d-printer/

Normally, when you think of PEEK in 3D printing, you think of a part made of PEEK, suitable for lower-temperature plastics. [ND-3D] has a different idea: printing with PEEK. You …read more (https://hackaday.com/2023/08/28/take-a-peek-at-this-3d-printer/)

The Healing Touch of Magnetic Tentacles in Photothermal Lung Cancer Therapy
https://hackaday.com/2023/08/28/the-healing-touch-of-magnetic-tentacles-in-photothermal-lung-cancer-therapy/

Close-up of a magnetic tentacle robot next to a phantom bronchiole (Credit: University of Leeds)
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/08/magnetic_tentacle_robot_next_to_bronchiole.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/08/magnetic_tentacle_robot_next_to_bronchiole.jpg?w=800">Of the body’s organs, the lungs are among the trickiest to take a biopsy and treat cancer in, both due to how important they are, as well as due to …read more (https://hackaday.com/2023/08/28/the-healing-touch-of-magnetic-tentacles-in-photothermal-lung-cancer-therapy/)

Review: WAINLUX K8, a Diode Laser That’s Ready to Work
https://hackaday.com/2023/08/28/review-wainlux-k8-a-diode-laser-thats-ready-to-work/

Rarely a week goes by that some company doesn’t offer to send us their latest and greatest laser. You know the type — couple of aluminum extrusions, Class 4 diode …read more (https://hackaday.com/2023/08/28/review-wainlux-k8-a-diode-laser-thats-ready-to-work/)

PCB Toaster Oven Solders Your Boards
https://hackaday.com/2023/08/28/pcb-toaster-oven-solders-your-boards/

Using a toaster oven to reflow PCBs isn’t anything new, but just using a toaster oven has some limitations. Making toast isn’t as complex as reflowing PCBs. [Nabil] decided to …read more (https://hackaday.com/2023/08/28/pcb-toaster-oven-solders-your-boards/)

Maker Faire Hannover: The Right Way To Do It
https://hackaday.com/2023/08/28/maker-faire-hannover-the-right-way-to-do-it/

On these pages we bring you plenty of reports from events, most of which are from the hacker or hardware communities. These can be great fun to attend, but they’re …read more (https://hackaday.com/2023/08/28/maker-faire-hannover-the-right-way-to-do-it/)

The Device that Won WW2: A History of the Cavity Magnetron
https://hackaday.com/2023/08/28/the-device-that-won-ww2-a-history-of-the-cavity-magnetron/

[Curious Droid] is back with a history lesson on one of the most important inventions of the 20th century: The cavity magnetron. Forged in the fighting of World War II, …read more (https://hackaday.com/2023/08/28/the-device-that-won-ww2-a-history-of-the-cavity-magnetron/)

Photography Goes Leaf Green
https://hackaday.com/2023/08/28/photography-goes-leaf-green/