What’s that smell? If you can’t tell, maybe a new laser system from CU Bolder and NIST can help. The device is simple and sensitive enough to detect gasses at …read more (https://hackaday.com/2025/03/07/this-laser-knows-about-gasses/)

The Road to Lucid Dreaming Might be Paved With VR
https://hackaday.com/2025/03/07/the-road-to-lucid-dreaming-might-be-paved-with-vr/

Lucid dreaming is the state of becoming aware one is dreaming while still being within the dream. To what end? That awareness may allow one to influence the dream itself, …read more (https://hackaday.com/2025/03/07/the-road-to-lucid-dreaming-might-be-paved-with-vr/)

Get Into Meshtastic On the Cheap With This Tiny Node Kit
https://hackaday.com/2025/03/08/get-into-meshtastic-on-the-cheap-with-this-tiny-node-kit/

There’s been a lot of buzz about Meshtastic lately, and with good reason. The low-power LoRa-based network has a ton of interesting use cases, and as with any mesh network, …read more (https://hackaday.com/2025/03/08/get-into-meshtastic-on-the-cheap-with-this-tiny-node-kit/)

The Pentium Processor’s Innovative (and Complicated) Method of Multiplying by Three, Fast
https://hackaday.com/2025/03/08/the-pentium-processors-innovative-and-complicated-method-of-multiplying-by-three-fast/

[Ken Shirriff] has been sharing a really low-level look at Intel’s Pentium (1993) processor. The Pentium’s architecture was highly innovative in many ways, and one of [Ken]’s most recent discoveries …read more (https://hackaday.com/2025/03/08/the-pentium-processors-innovative-and-complicated-method-of-multiplying-by-three-fast/)

Physical Computing Used to be a Thing
https://hackaday.com/2025/03/08/physical-computing-used-to-be-a-thing/

In the early 2000s, the idea that you could write programs on microcontrollers that did things in the physical world, like run motors or light up LEDs, was kind of …read more (https://hackaday.com/2025/03/08/physical-computing-used-to-be-a-thing/)

Transceiver Reveals Unusual Components
https://hackaday.com/2025/03/08/transceiver-reveals-unusual-components/

[MSylvain59] likes to tear down old surplus, and in the video below, he takes apart a German transceiver known as a U-600M. From the outside, it looks like an unremarkable …read more (https://hackaday.com/2025/03/08/transceiver-reveals-unusual-components/)

Expensive Camera, Cheap 3D-Printed Lens
https://hackaday.com/2025/03/08/expensive-camera-cheap-3d-printed-lens/

If you’re a photography enthusiast, you probably own quite a few cameras, but the chances are your “good” one will have interchangeable lenses. Once you’ve exhausted the possibilities of the …read more (https://hackaday.com/2025/03/08/expensive-camera-cheap-3d-printed-lens/)

Writing an OLED Display Driver in MicroZig
https://hackaday.com/2025/03/08/writing-an-oled-display-driver-in-microzig/

Although most people would use C, C++ or MicroPython for programming microcontrollers, there are a few more obscure options out there as well, with MicroZig being one of them. Recently …read more (https://hackaday.com/2025/03/08/writing-an-oled-display-driver-in-microzig/)

Fictional Computers: EMERAC was the Chatbot of 1957
https://hackaday.com/2025/03/08/fictional-computers-emerac-was-the-chatbot-of-1957/

Movies mirror the time they were made. [ErnieTech] asserts that we can see what people thought about computers back in 1957 by watching the classic Spencer Tracy/Katharine Hepburn movie “Desk …read more (https://hackaday.com/2025/03/08/fictional-computers-emerac-was-the-chatbot-of-1957/)