Compressed air isn’t really a practical form of energy storage for headline uses like transport or heating, but it’s a fun thing to tinker with at the small scale. [Tom …read more (https://hackaday.com/2023/09/04/developing-a-4500-rpm-twin-cylinder-air-engine/)

3D Printed — Um — Hook and Loop Fasteners
https://hackaday.com/2023/09/04/3d-printed-um-hook-and-loop-fasteners/

[Teaching Tech’s] latest video discusses “3D printed Velcro.” But as even he admits, Velcro is a trademark, so we think it is more appropriate to talk about hook and loop …read more (https://hackaday.com/2023/09/04/3d-printed-um-hook-and-loop-fasteners/)

This Model Mimics the International Space Station
https://hackaday.com/2023/09/04/this-model-mimics-the-international-space-station/

It’s not an overstatement to say that the International Space Station (ISS for short) is an amazing feat of engineering, especially considering that it has been going for over two …read more (https://hackaday.com/2023/09/04/this-model-mimics-the-international-space-station/)

Hands-Free Compass Uses Haptic Feedback
https://hackaday.com/2023/09/05/hands-free-compass-uses-haptic-feedback/

If you’ve never experienced it before, getting turned around on a cloudy day in the woods or getting lost during an event like a snowstorm can be extremely disorienting and …read more (https://hackaday.com/2023/09/05/hands-free-compass-uses-haptic-feedback/)

Entertain Your Cats Automatically with LazerPaw
https://hackaday.com/2023/09/05/entertain-your-cats-automatically-with-lazerpaw/

Most of us would agree that kittens are very cute, but require lots of attention in return. What would you do if you adopted three abandoned cats but didn’t have …read more (https://hackaday.com/2023/09/05/entertain-your-cats-automatically-with-lazerpaw/)

You’ve Got Mail: Straining the Limits of Machine and Man
https://hackaday.com/2023/09/05/youve-got-mail-straining-the-limits-of-machine-and-man/

When we last left this subject, I told you all about Transorma, the first letter-sorting machine in semi-wide use. But before and since Transorma, machines have come about to perform …read more (https://hackaday.com/2023/09/05/youve-got-mail-straining-the-limits-of-machine-and-man/)

USB-C Power For Ham Radio
https://hackaday.com/2023/09/05/usb-c-power-for-ham-radio/

Even though manufacturers of handheld ham radios have been busy adding all sorts of bells and whistles into their portable offerings, for some reason, many of them lack a modern …read more (https://hackaday.com/2023/09/05/usb-c-power-for-ham-radio/)

Hackaday Prize 2023: The Gearing Up Challenge Finalists
https://hackaday.com/2023/09/05/hackaday-prize-2023-the-gearing-up-challenge-finalists/

If there’s more to life than just a workshop full of tools, it’s probably a workshop full of tools that you’ve built yourself. At least that was the thinking behind …read more (https://hackaday.com/2023/09/05/hackaday-prize-2023-the-gearing-up-challenge-finalists/)

Jenny’s Daily Drivers: Raspberry Pi Desktop
https://hackaday.com/2023/09/05/jennys-daily-drivers-raspberry-pi-desktop/