When you think of “secret” agencies, you probably think of the CIA, the NSA, the KGB, or MI-5. But the real secret agencies are the ones you hardly ever hear …read more (https://hackaday.com/2025/09/25/spy-tech-the-nro-and-apollo-11/)

Trapped Soul in Time for Halloween
https://hackaday.com/2025/09/25/trapped-soul-in-time-for-halloween/

While it is sort of disturbing, it is one of the best uses for a round LCD we’ve seen lately. What is it? Just [vishalsoniindia]’s SoulCage — a pendant that …read more (https://hackaday.com/2025/09/25/trapped-soul-in-time-for-halloween/)

How Water Vapor Makes Smartphones Faster
https://hackaday.com/2025/09/25/how-water-vapor-makes-smartphones-faster/

Once upon a time, home computers were low-powered enough that they barely needed any cooling at all. An Amiga 500 didn’t even have a heatsink on the CPU, while the …read more (https://hackaday.com/2025/09/25/how-water-vapor-makes-smartphones-faster/)

Surprisingly Refined Perpetual Motion Device Teardown
https://hackaday.com/2025/09/25/surprisingly-refined-perpetual-motion-device-teardown/

Perpetual motion devices are either a gag, a scam, or as in the case of this particular toy that [Big Clive] bought on AliExpress, a rather fascinating demonstration of a …read more (https://hackaday.com/2025/09/25/surprisingly-refined-perpetual-motion-device-teardown/)

Tube Furnace is the Real Hotness
https://hackaday.com/2025/09/25/tube-furnace-is-the-real-hotness/

We aren’t sure what [theglassman] is working on, but based on his recent projects, we think it is probably something interesting. He’s been decapping ICs, growing oxide on silicon substrates, …read more (https://hackaday.com/2025/09/25/tube-furnace-is-the-real-hotness/)

Hovercraft Suitcase Gives Your Luggage a Smooth Ride
https://hackaday.com/2025/09/25/hovercraft-suitcase-gives-your-luggage-a-smooth-ride/

The wheels on roller suitcases are one of their primary failure points. After the destruction of the wheel mount on her DIY suitcase, [Laura Kampf] wondered if it would be …read more (https://hackaday.com/2025/09/25/hovercraft-suitcase-gives-your-luggage-a-smooth-ride/)

Vertical Solar Panels are Out Standing
https://hackaday.com/2025/09/25/vertical-solar-panels-are-out-standing/

If you’re mounting solar panels, everybody knows the drill, right? Point them south, angled according to latitude. It’s easy. In a video which demonstrates that [Everyday Dave] is truly out …read more (https://hackaday.com/2025/09/25/vertical-solar-panels-are-out-standing/)