screen capture from project’s YouTube video
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/01/usn-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/01/usn-feature.png?w=800">There’s an unknown piece of military electronic gear being investigated over on [Usagi Electric]’s YouTube channel (see video below the break). The few markings and labels on the box aren’t …read more (https://hackaday.com/2022/01/28/mystery-wwii-navy-gear-with-magic-eye/)

Hackaday Podcast 153: A 555 Teardown to Die For, Tetrabyte is Not a Typo, DIY Injection Molding, and Using All the Parts of the Trash Printer
https://hackaday.com/2022/01/28/hackaday-podcast-153-a-555-teardown-to-die-for-tetrabyte-is-not-a-typo-diy-injection-molding-and-using-all-the-parts-of-the-trash-printer/

Join Hackaday Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi on another whirlwind tour of the week’s top stories, hacks, and projects. We start off with some breaking Linux security …read more (https://hackaday.com/2022/01/28/hackaday-podcast-153-a-555-teardown-to-die-for-tetrabyte-is-not-a-typo-diy-injection-molding-and-using-all-the-parts-of-the-trash-printer/)

Shelf Actualization
https://hackaday.com/2022/01/28/shelf-actualization/

If you are old enough, you may remember that, for a time, almost every year was the year that home video was going to take off. Except it never was, …read more (https://hackaday.com/2022/01/28/shelf-actualization/)

Custom Piano Tickles the Ivories
https://hackaday.com/2022/01/28/custom-piano-tickles-the-ivories/

The core ethos of “hacking” is usually interpreted as modifying something for a use that it wasn’t originally built for. Plenty of builds are modifications or improvements on existing technology, …read more (https://hackaday.com/2022/01/28/custom-piano-tickles-the-ivories/)

3D Printed Jig Makes Custom Springs a Snap
https://hackaday.com/2022/01/28/3d-printed-jig-makes-custom-springs-a-snap/

We’ve often heard it said that springs come in in all shapes and sizes…except for the one you need. In light of this, the hardware hacker would do well to …read more (https://hackaday.com/2022/01/28/3d-printed-jig-makes-custom-springs-a-snap/)

Long Range Burglar Alarm Relies on LoRa Modules
https://hackaday.com/2022/01/28/long-range-burglar-alarm-relies-on-lora-modules/

[Elite Worm] had a problem; there had been two minor burglaries from a storage unit. The unit had thick concrete walls, cellular signal was poor down there, and permanent wiring …read more (https://hackaday.com/2022/01/28/long-range-burglar-alarm-relies-on-lora-modules/)

Acoustic Switching Transistors: A new Kind of Electronics?
https://hackaday.com/2022/01/28/acoustic-switching-transistors-a-new-kind-of-electronics/

Have you ever heard of topological insulators? These are exotic materials where electricity flows only on the surface with very little loss. Now, according to IEEE Spectrum, scientists at Harvard …read more (https://hackaday.com/2022/01/28/acoustic-switching-transistors-a-new-kind-of-electronics/)