Solid-state battery fast-charge tests & Affordable automotive lidar for ADAS - Hacker News (Feb 23, 2026)

Today's topics: Solid-state battery fast-charge tests - Independent VTT testing measured Donut Lab’s “Donut Solid State Battery V1” at 26 Ah and demonstrated fast charging at 5C and 11C, with thermal limits and heat-sinking setup as key variables. Affordable automotive lidar for ADAS - MicroVision says its solid-state Movia S lidar targets sub-$200 production pricing for mainstream ADAS, highlighting manufacturability, field-of-view tradeoffs, and sensor-fusion complexity. Ladybird browser adopts Rust - Ladybird’s Andreas Kling is pragmatically bringing Rust into a C++ web-platform codebase, starting with a byte-for-byte identical LibJS port validated by test262 and large regression suites, aided by Claude Code and Codex. Elsevier retractions and conflicts - Elsevier retracted 12 finance/econ papers citing conflict-of-interest breaches involving editor/co-author overlap, raising broader questions about peer review integrity, citation stacking, and journal “ecosystem” incentives. E-paper home dashboard evolution - A decade-long build of an e-paper family dashboard shows the practical realities of readable ambient displays—Kindle hacks, Visionect hardware, Home Assistant integration, and the cost/maintenance hurdles to productizing. 0 A.D. RTS leaves alpha - Open-source RTS 0 A.D. Release 28 “Boiorix” drops the alpha label, adds a new German/Cimbri-focused faction, improves fonts and lobby security, and updates platform support via SpiderMonkey 128. Facebook bot hammers robots.txt - A Forgejo admin observed Meta’s facebookexternalhit repeatedly requesting only /robots.txt at thousands of hits per hour, suggesting a crawler bug or loop and raising questions about bandwidth waste at scale. https://ladybird.org/posts/adopting-rust/ https://pub-fee113bb711e441db5c353d2d31abbb3.r2.dev/VTT_CR_00092_26.pdf https://www.chrisbrunet.com/p/elsevier-shuts-down-its-finance-journal https://spectrum.ieee.org/solid-state-lidar-microvision-adas https://idonutbelieve.com/ https://hawksley.org/2026/02/17/timeframe.html https://play0ad.com/new-release-0-a-d-release-28-boiorix/ https://blog.nytsoi.net/2026/02/23/facebook-robots-txt