Build a Parametric Speaker of Your Own
https://hackaday.com/2025/03/04/build-a-parametric-speaker-of-your-own/

Created with GIMP
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/03/ultrasonic-speaker-featured_6a35df.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/03/ultrasonic-speaker-featured_6a35df.jpg?w=800">The loudspeaker on your home entertainment equipment is designed to project audio around the space in which it operates, if it’s not omnidirectional as such it can feel that way …read more (https://hackaday.com/2025/03/04/build-a-parametric-speaker-of-your-own/)

Speaking Computers from the 1970s
https://hackaday.com/2025/03/05/speaking-computers-from-the-1970s/

Talking computers are nothing these days. But in the old days, a computer that could speak was quite the novelty. Many computers from the 1970s and 1980s used an AY-3-8910 …read more (https://hackaday.com/2025/03/05/speaking-computers-from-the-1970s/)

China Claims Commercial Nuclear Fusion by 2050 as Germany Goes Stellarator
https://hackaday.com/2025/03/05/china-claims-commercial-nuclear-fusion-by-2050-as-germany-goes-stellarator/

Things are heating up in the world of nuclear fusion research, with most fundamental issues resolved and an increasing rate of announcements being made regarding commercial fusion power. China’s CNNC …read more (https://hackaday.com/2025/03/05/china-claims-commercial-nuclear-fusion-by-2050-as-germany-goes-stellarator/)

Big Chemistry: Glass
https://hackaday.com/2025/03/05/big-chemistry-glass/

Humans have been chemically modifying their world for far longer than you might think. Long before they had the slightest idea of what was happening chemically, they were turning clay …read more (https://hackaday.com/2025/03/05/big-chemistry-glass/)

Is This The Oldest HD Video Online?
https://hackaday.com/2025/03/05/is-this-the-oldest-hd-video-online/

Take a look at this video from [Reely Interesting], showing scenes from traditional Japanese festivals. It’s well filmed, and as with any HD video, you can see real detail. But …read more (https://hackaday.com/2025/03/05/is-this-the-oldest-hd-video-online/)

Haptic Displays Bring Sports To The Vision Impaired
https://hackaday.com/2025/03/05/haptic-displays-bring-sports-to-the-vision-impaired/

When it comes to the majority of sports broadcasting, it’s all about the visual. The commentators call the plays, of course, but everything you’re being shown at home is on …read more (https://hackaday.com/2025/03/05/haptic-displays-bring-sports-to-the-vision-impaired/)

FLOSS Weekly Episode 823: TuxCare, 10 Years Without Rebooting!
https://hackaday.com/2025/03/05/floss-weekly-episode-823-tuxcare-10-years-without-rebooting/

This week, Jonathan Bennett and Aaron Newcomb talk with Joao Correia about TuxCare! What’s live patching, and why is it so hard? And how is this related to .NET 6? …read more (https://hackaday.com/2025/03/05/floss-weekly-episode-823-tuxcare-10-years-without-rebooting/)

Piggyback Board Brings Touch Sensing to USB Soldering Iron
https://hackaday.com/2025/03/05/piggyback-board-brings-touch-sensing-to-usb-soldering-iron/

The current generation of USB-powered soldering irons have a lot going for them, chief among them being portability and automatic start and stop. But an iron that turns off in …read more (https://hackaday.com/2025/03/05/piggyback-board-brings-touch-sensing-to-usb-soldering-iron/)