Writing on real-world computer vision, the cosmos, and hands-on AI tutorials.https://cloudsignal.ai/https://cloudsignal.ai/blog/seeing-at-the-limit/https://cloudsignal.ai/blog/seeing-at-the-limit/Every imaging system — an eye, a telescope, a phone camera, a computer vision pipeline — runs into the same wall: physics sets a hard limit on resolution. A tour of where that limit comes from.Tue, 21 Jul 2026 00:00:00 GMThttps://cloudsignal.ai/blog/black-holes-as-information/https://cloudsignal.ai/blog/black-holes-as-information/Black hole entropy scales with area, not volume — a fact strange enough to launch the holographic principle and a forty-year argument about whether the universe destroys information.Mon, 20 Jul 2026 00:00:00 GMThttps://cloudsignal.ai/blog/browser-face-tracking-tutorial/https://cloudsignal.ai/blog/browser-face-tracking-tutorial/Build a working 478-landmark face tracker in a single HTML file — MediaPipe from a CDN, getUserMedia, and a canvas overlay. No npm, no bundler, working code included.Sun, 19 Jul 2026 00:00:00 GMThttps://cloudsignal.ai/blog/production-computer-vision-at-scale/https://cloudsignal.ai/blog/production-computer-vision-at-scale/The gap between a computer vision demo and a production system is where most projects die. Lessons from two decades of shipping perception systems to real users in the real world.Sat, 18 Jul 2026 00:00:00 GMT