Comparing PETG and PCTG Filaments
https://hackaday.com/2026/09/07/comparing-petg-and-pctg-filaments/

The average 3D printer owner knows a few types of filaments – PLA, ABS, somewhere in the middle, PETG.  PCTG is another option that can be confusingly similar to PETG. …read more (https://hackaday.com/2026/09/07/comparing-petg-and-pctg-filaments/)

The First Spacecraft Launched To Orbit From Europe
https://hackaday.com/2026/09/07/the-first-spacecraft-launched-to-orbit-from-europe/

The history of European space exploration is a long and distinguished one, with many decades and whole families of launch vehicles. It might therefore come as a surprise that despite …read more (https://hackaday.com/2026/09/07/the-first-spacecraft-launched-to-orbit-from-europe/)

How To Talk To A Machine Without Anthropomorphising It
https://hackaday.com/2026/09/07/how-to-talk-to-a-machine-without-anthropomorphising-it/

LLMs remain a divisive topic in these times. Perhaps we all know someone who’s become over-infatuated with their new robotic friend, or who believes it has made them a genius. …read more (https://hackaday.com/2026/09/07/how-to-talk-to-a-machine-without-anthropomorphising-it/)

The Helicopter with Radioactive Blades
https://hackaday.com/2026/09/07/the-helicopter-with-radioactive-blades/

Sometimes you find gold in unexpected places. In this case, it’s from a video about the CH-53 helicopter. The CH-53 Sea Stallion first entered service in 1966. It’s a huge …read more (https://hackaday.com/2026/09/07/the-helicopter-with-radioactive-blades/)

A Vacuum Tube Computer For The Home
https://hackaday.com/2026/09/07/a-vacuum-tube-computer-for-the-home/

The earliest all-electronic computers used vacuum tubes, and most of us will know about machines such as ENIAC or Colossus. Vast machines that required the budget of a country at …read more (https://hackaday.com/2026/09/07/a-vacuum-tube-computer-for-the-home/)

ESP32-P4 Powers Video Alarm Clock
https://hackaday.com/2026/09/07/esp32-p4-powers-video-alarm-clock/

Once upon a time, you had the option of waking up to a bell, a harsh buzzer, or whatever happened to be on the radio that morning. Now that it’s …read more (https://hackaday.com/2026/09/07/esp32-p4-powers-video-alarm-clock/)

Kelvin–Helmholtz Instabilities Found to Drive Plasma Mixing on the Sun
https://hackaday.com/2026/09/07/kelvin-helmholtz-instabilities-found-to-drive-plasma-mixing-on-the-sun/