Sound! It’s a thing you hear, moreso than something you see with your eyes. And yet, it is possible to visualize sound with various techniques. [PlasmatronX] demonstrates this well, using …read more (https://hackaday.com/2026/03/12/mapping-the-sound-field-of-an-acoustic-levitator/)

Building a Robot Partner to Play Air Hockey With
https://hackaday.com/2026/03/12/building-a-robot-partner-to-play-air-hockey-with/

Air hockey is one of those sports that’s both incredibly fun, but also incredibly frustrating as playing it by yourself is a rather lonely and unfulfilling experience. This is where …read more (https://hackaday.com/2026/03/12/building-a-robot-partner-to-play-air-hockey-with/)

Replicating a Nuclear Event Detector For Fun and Probably Not Profit
https://hackaday.com/2026/03/12/replicating-a-nuclear-event-detector-for-fun-and-probably-not-profit/

Last year, we brought you a story about the BhangmeterV2, an internet-of-things nuclear war monitor. With a cold-war-era HSN-1000 nuclear event detector at its heart, it had one job: announce …read more (https://hackaday.com/2026/03/12/replicating-a-nuclear-event-detector-for-fun-and-probably-not-profit/)

Nintendo’s Family BASIC Keyboard Gets USB Upgrade
https://hackaday.com/2026/03/12/nintendos-family-basic-keyboard-gets-usb-upgrade/

America knew it as the Nintendo Entertainment System, but in Japan, it was the Family Computer (Famicom). It was more than just a home console—it was intended to actually do …read more (https://hackaday.com/2026/03/12/nintendos-family-basic-keyboard-gets-usb-upgrade/)

Perfecting the Shape-Changing Fruit Bowl
https://hackaday.com/2026/03/13/perfecting-the-shape-changing-fruit-bowl/

Fruit bowls have an unavoidable annoyance– not flies and rotten fruit, those would be avoidable if your diet was better. No, it’s that the bowl is never the right size. …read more (https://hackaday.com/2026/03/13/perfecting-the-shape-changing-fruit-bowl/)

OS/2 Never Went Away. Its Successor Has Received An Update
https://hackaday.com/2026/03/13/os-2-never-went-away-its-successor-has-received-an-update/

ArcaOS is an operating system you might not have heard of, but you will recognize it when we tell you that it’s the direct descendant of IBM’s OS/2. It’s just …read more (https://hackaday.com/2026/03/13/os-2-never-went-away-its-successor-has-received-an-update/)