There is no shortage of companies on the Internet willing to sell you expensive glowing things to stick on your walls. Many hackers prefer to make their own however, and …read more (https://hackaday.com/2023/12/13/led-art-project-is-geometrically-beautiful/)

DIY Tachistoscope Feeds Your Hunger for Popcorn and Propaganda
https://hackaday.com/2023/12/13/diy-tachistoscope-feeds-your-hunger-for-popcorn-and-propaganda/

You’ve probably heard of subliminal advertising — the idea is that behaviors can be elicited by flashing extremely brief messages on a movie or TV screen. “BUY POPCORN NOW” is …read more (https://hackaday.com/2023/12/13/diy-tachistoscope-feeds-your-hunger-for-popcorn-and-propaganda/)

Radio Station WWV: All Time, All the Time
https://hackaday.com/2023/12/13/radio-station-wwv-all-time-all-the-time/

Of all the rabbit holes we technical types tend to fall down, perhaps the one with the most twists and turns is: time. Some of this is due to the …read more (https://hackaday.com/2023/12/13/radio-station-wwv-all-time-all-the-time/)

The Trans-Harmonium is a Strange Kind of Radio-Musical Instrument
https://hackaday.com/2023/12/13/the-trans-harmonium-is-a-strange-kind-of-radio-musical-instrument/

Pianos use little hammers striking taut strings to make tones. The Mellotron used lots of individual tape mechanisms. Meanwhile, the Trans-Harmonium from [Emily Francisco] uses an altogether more curious method …read more (https://hackaday.com/2023/12/13/the-trans-harmonium-is-a-strange-kind-of-radio-musical-instrument/)

PCIe For Hackers: External PCIe And OCuLink
https://hackaday.com/2023/12/13/pcie-for-hackers-external-pcie-and-oculink/

We’ve seen a lot of PCIe hacks on Hackaday, and a fair few of them boil down to hackers pulling PCIe somewhere it wasn’t meant to be. Today, we routinely …read more (https://hackaday.com/2023/12/13/pcie-for-hackers-external-pcie-and-oculink/)

Public Power, WiFi, and Shelter
https://hackaday.com/2023/12/13/public-power-wifi-and-shelter/

In the US, we’re starting to see some pushback against hostile architecture, and in this vein, [benhobby] built a swanky public power and Wi-Fi access point. This beautiful piece of …read more (https://hackaday.com/2023/12/13/public-power-wifi-and-shelter/)

5Ghoul: The 14 Shambling 5G Flaws Used For Disruptive Attacks On Smartphones
https://hackaday.com/2023/12/13/5ghoul-the-14-shambling-5g-flaws-used-for-disruptive-attacks-on-smartphones/

A team of researchers from the ASSET Research Group in Singapore have published the details of a collection of vulnerabilities in the fifth generation mobile communication system (5G) used with …read more (https://hackaday.com/2023/12/13/5ghoul-the-14-shambling-5g-flaws-used-for-disruptive-attacks-on-smartphones/)