Break The Air Gap With Ultrasound
https://hackaday.com/2025/06/29/break-the-air-gap-with-ultrasound/

In the world of information security, much thought goes into ensuring that no information can leave computer networks without expressly being permitted to do so. Conversely, a lot of effort …read more (https://hackaday.com/2025/06/29/break-the-air-gap-with-ultrasound/)

Switching from Desktop Linux to FreeBSD
https://hackaday.com/2025/06/29/switching-from-desktop-linux-to-freebsd/

People have been talking about switching from Windows to Linux since the 1990s, but in the world of open-source operating systems, there is much more variety than just the hundreds …read more (https://hackaday.com/2025/06/29/switching-from-desktop-linux-to-freebsd/)

Preserve your Plants with an Automated Terrarium
https://hackaday.com/2025/06/30/preserve-your-plants-with-an-automated-terrarium/

For those of us who aren’t blessed with a green thumb and who are perhaps a bit forgetful, plants can be surprisingly difficult to keep alive. In those cases, some …read more (https://hackaday.com/2025/06/30/preserve-your-plants-with-an-automated-terrarium/)

Behind RadioShack’s Cheapest Computer
https://hackaday.com/2025/06/30/behind-radioshacks-cheapest-computer/

In the 1980s, there was a truly staggering amount of choice for a consumer looking to purchase a home computer. On the high end, something like an Apple Lisa, a …read more (https://hackaday.com/2025/06/30/behind-radioshacks-cheapest-computer/)

The 2025 Iberian Peninsula Blackout: From Solar Wobbles to Cascade Failures
https://hackaday.com/2025/06/30/the-2025-iberian-peninsula-blackout-from-solar-wobbles-to-cascade-failures/

Some Mondays are worse than others, but April 28 2025 was particularly bad for millions of people in Spain and Portugal. Starting just after noon, a number of significant grid …read more (https://hackaday.com/2025/06/30/the-2025-iberian-peninsula-blackout-from-solar-wobbles-to-cascade-failures/)

Chasing A Raspberry Pi Bottleneck
https://hackaday.com/2025/06/30/chasing-a-raspberry-pi-bottleneck/

The Raspberry Pi has been used for many things over its lifetime, and we’re guessing that many of you will have one in perhaps its most common configuration, as a …read more (https://hackaday.com/2025/06/30/chasing-a-raspberry-pi-bottleneck/)

Data Visualization and Aggregation: Time Series Databases, Grafana and More
https://hackaday.com/2025/06/30/data-visualization-and-aggregation-time-series-databases-grafana-and-more/