When light reflects off a surface, not all of it reflects off at the same wavelength; some photons impart a portion of their energy to raising the vibrational energy of …read more (https://hackaday.com/2026/07/05/2026-frikkin-lasers-challenge-a-3d-printed-raman-spectrometer/)

Demonstrating LFP Battery Safety in Case of BMS Failure
https://hackaday.com/2026/07/05/demonstrating-lfp-battery-safety-in-case-of-bms-failure/

Generally, LiFePO4 (LFP) batteries are quite safe and stable, but it’s still possible for something to go wrong, even something catastrophic, like the battery management system (BMS) developing a direct …read more (https://hackaday.com/2026/07/05/demonstrating-lfp-battery-safety-in-case-of-bms-failure/)

Seeing Bacteria, Nanoprisms, and More with an Atomic Force Microscope
https://hackaday.com/2026/07/05/seeing-bacteria-nanoprisms-and-more-with-an-atomic-force-microscope/

Unlike almost every other kind of microscope, atomic-force microscopes (AFMs) don’t use any kind of optical beam to image their subjects. Instead, they physically detect the subject’s surface with a …read more (https://hackaday.com/2026/07/05/seeing-bacteria-nanoprisms-and-more-with-an-atomic-force-microscope/)

Hackaday Links: July 5, 2026
https://hackaday.com/2026/07/05/hackaday-links-july-5-2026/

Happy belated July 4th to all the readers from the United States — hopefully you aren’t reading this from a hospital bed after losing a hand or burning off your …read more (https://hackaday.com/2026/07/05/hackaday-links-july-5-2026/)

The Coolest Hat At The Hacker Camp
https://hackaday.com/2026/07/05/the-coolest-hat-at-the-hacker-camp/

People in hotter parts of the world may permit themselves a grin at this, but Europeans have recently been suffering under an unseasonal June heatwave. Most of us have been …read more (https://hackaday.com/2026/07/05/the-coolest-hat-at-the-hacker-camp/)

Extract Fumes in Midcentury Style With Nixie Tubes and Military Surplus
https://hackaday.com/2026/07/05/extract-fumes-in-midcentury-style-with-nixie-tubes-and-military-surplus/

Nobody wants to breathe solder fumes; that’s a given. For most of us, an industrial-looking fan-and-filter made in China and picked up cheap feels like more than enough to keep …read more (https://hackaday.com/2026/07/05/extract-fumes-in-midcentury-style-with-nixie-tubes-and-military-surplus/)

He Comes to Bury Segmented Memory, Not to Praise It
https://hackaday.com/2026/07/06/he-comes-to-bury-segmented-memory-not-to-praise-it/

A protected mode segment table entry
" data-large-file="https://hackaday.com/wp-content/uploads/2025/05/seg.png?w=800">[BillPg] has been designing a fantasy 1980s-era home computer. As part of the exercise, he’s reevaluating all the assumptions that have grown organically over time in the small computer landscape. …read more (https://hackaday.com/2026/07/06/he-comes-to-bury-segmented-memory-not-to-praise-it/)

Gluing 8192 MCUs Together to Make a GPU
https://hackaday.com/2026/07/06/gluing-8192-mcus-together-to-make-a-gpu/