Although it’s commonly suspected that migratory birds fly in a ‘V’ formation due to this saving energy for the birds in the slipstream, understanding the exact aerodynamics behind this and …read more (https://hackaday.com/2026/07/22/v-formation-flying-of-birds-is-explained-by-a-minimal-wake-vortex-model/)

Industrial GPU Adapted for the Desktop
https://hackaday.com/2026/07/22/industrial-gpu-adapted-for-the-desktop/

As technologies change and adapt, we’re often left with seemingly useless junk that has nowhere to go. Certainly anyone still sitting on a pile of floppy disks feels this way …read more (https://hackaday.com/2026/07/22/industrial-gpu-adapted-for-the-desktop/)

Voice Control Toolkit Comes to a Pico Near You
https://hackaday.com/2026/07/23/voice-control-toolkit-comes-to-a-pico-near-you/

Voice-controlled appliances are nothing new. What might be new, however, is [Moonshine AI] running it all locally on a Raspberry Pi Pico 2 W! The voice interface is roughly divided …read more (https://hackaday.com/2026/07/23/voice-control-toolkit-comes-to-a-pico-near-you/)

Saving Some Coin With 3D Printed Stencils
https://hackaday.com/2026/07/23/saving-some-coin-with-3d-printed-stencils/

One of the extra tools someone might need when working with surface-mount components is a solder paste stencil, which not only simplifies the application of solder paste to a PCB …read more (https://hackaday.com/2026/07/23/saving-some-coin-with-3d-printed-stencils/)

Encryption in the 1790s
https://hackaday.com/2026/07/23/encryption-in-the-1790s/

For as long as humans have had writing, there’s been a need to send secret messages. It is easy to think that Enigma machines and their immediate predecessors are old …read more (https://hackaday.com/2026/07/23/encryption-in-the-1790s/)

Running DOOM on a Custom CPU Built From Scratch
https://hackaday.com/2026/07/23/running-doom-on-a-custom-cpu-built-from-scratch/

Running DOOM on weird obscure hardware is a fun hacker pastime that’s been around for a long time now. It’s always enjoyable to see someone port it to an egg timer, …read more (https://hackaday.com/2026/07/23/running-doom-on-a-custom-cpu-built-from-scratch/)

Hackaday Europe 2026: Half Quad, Half Blimp: Test. Fly. Survive.
https://hackaday.com/2026/07/23/hackaday-europe-2026-half-quad-half-blimp-test-fly-survive/

A great many drones out there, whether homebuilt or store-bought, follow the same basic format. Four motors, some kind of controller, and a lithium-polymer battery supplying the juice to keep …read more (https://hackaday.com/2026/07/23/hackaday-europe-2026-half-quad-half-blimp-test-fly-survive/)

Mic Jammer Relies on Ultrasound
https://hackaday.com/2026/07/23/mic-jammer-relies-on-ultrasound/

Today’s phone microphones are perfectly adept at picking up sound in all sorts of conditions, and they’re backed by all kinds of processing techniques to filter out noise and capture …read more (https://hackaday.com/2026/07/23/mic-jammer-relies-on-ultrasound/)