DTF:HN for April 22, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for April 22, 2026. Featuring: Windows 9x Subsystem for Linux, Making RAM at Home [video], How the Heck Does GPS Work?, ChatGPT Images 2.0, All your agents are going async, and more. Stories covered: 1. Windows 9x Subsystem for Linux https://social.hails.org/@hailey/116446826733136456 HN discussion: https://news.ycombinator.com/item?id=47861270 2. Making RAM at Home [video] https://www.youtube.com/watch?v=h6GWikWlAQA HN discussion: https://news.ycombinator.com/item?id=47842569 3. How the Heck Does GPS Work? https://perthirtysix.com/how-the-heck-does-gps-work HN discussion: https://news.ycombinator.com/item?id=47861087 4. ChatGPT Images 2.0 https://openai.com/index/introducing-chatgpt-images-2-0/ HN discussion: https://news.ycombinator.com/item?id=47852835 5. All your agents are going async https://zknill.io/posts/all-your-agents-are-going-async/ HN discussion: https://news.ycombinator.com/item?id=47832720 6. MuJoCo – Advanced Physics Simulation https://github.com/google-deepmind/mujoco HN discussion: https://news.ycombinator.com/item?id=47820791 7. Garbage Collection Without Unsafe Code https://fitzgen.com/2024/02/06/safe-gc.html HN discussion: https://news.ycombinator.com/item?id=47821853 8. Contact Lens Uses Microfluidics to Monitor and Treat Glaucoma https://spectrum.ieee.org/smart-contact-lens-glaucoma-microfluidics HN discussion: https://news.ycombinator.com/item?id=47823654 9. Laws of Software Engineering https://lawsofsoftwareengineering.com HN discussion: https://news.ycombinator.com/item?id=47847179 10. Meta employees are up in arms over a mandatory program to train AI on their https://www.businessinsider.com/meta-new-ai-tool-tracks-staff-activity-sparks-concern-2026-4 HN discussion: https://news.ycombinator.com/item?id=47860961