https://www.youtube.com/watch?v=hMf8Rn4bdME
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/09/Snap-2021-09-24-at-22.50.16.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/09/Snap-2021-09-24-at-22.50.16.png?w=800">The Rijke tube is a very simple device that demonstrates the principle of thermoacoustics quite clearly. Construction is quite straightforward, simply place a metal gauze at the bottom end of …read more (https://hackaday.com/2021/10/05/demonstrating-thermoacoustics-with-the-rijke-tube/)

Investigating a Defective USB Power Bank Module
https://hackaday.com/2021/10/05/investigating-a-defective-usb-power-bank-module/

Call us old fashioned, but we feel like when you buy a piece of hardware, the thing should actually function. Now don’t get us wrong, like most of you, we’re …read more (https://hackaday.com/2021/10/05/investigating-a-defective-usb-power-bank-module/)

Mini Camera Crane For Your Workbench
https://hackaday.com/2021/10/05/mini-camera-crane-for-your-workbench/

If you’ve ever tried to document a project on your workbench with photos or videos, you know the challenge of constantly moving tripods to get the right shot. [Mechanistic] is …read more (https://hackaday.com/2021/10/05/mini-camera-crane-for-your-workbench/)

Repairing Underground Power Cables
https://hackaday.com/2021/10/05/repairing-underground-power-cables/

When we were kids, overhead power cables were a constant fixture in the neighborhood. Not only were they the bane of our kites, but they also had a tendency to …read more (https://hackaday.com/2021/10/05/repairing-underground-power-cables/)

BreadBin is an 8-bit TTL CPU on a Breadboard, in a Bread Bin
https://hackaday.com/2021/10/05/breadbin-is-an-8-bit-ttl-cpu-on-a-breadboard-in-a-bread-bin/

Building a CPU out of logic gates is a great way to learn about the inner workings of microprocessors, and we’ve seen several impressive projects in this area. [c0pperdragon] set …read more (https://hackaday.com/2021/10/05/breadbin-is-an-8-bit-ttl-cpu-on-a-breadboard-in-a-bread-bin/)

Atari ST Still Manages Campground Reservations After 36 Years
https://hackaday.com/2021/10/06/atari-st-still-manages-campground-reservations-after-36-years/

“Don’t fix it if it ain’t broke”. That’s what we guess [Frans Bos] has been thinking for the past few decades, as he kept using his Atari ST to run …read more (https://hackaday.com/2021/10/06/atari-st-still-manages-campground-reservations-after-36-years/)

Building A Multi-Ton Power Loader For Fun
https://hackaday.com/2021/10/06/building-a-multi-ton-power-loader-for-fun/

Exoskeletons, power suits, and iron suits in science fiction have served as the inspiration for many engineers and engineering projects over the years. This is certainly the case at [Hacksmith …read more (https://hackaday.com/2021/10/06/building-a-multi-ton-power-loader-for-fun/)

3D Printering: Corrugated Plastic for Cheaper & Easier Enclosures
https://hackaday.com/2021/10/06/3d-printering-corrugated-plastic-for-cheaper-easier-enclosures/