https://blog.winer.co.il/posts/ Recent content in Posts on The Fumbling Physicist Hugo -- gohugo.io en © 2026 Gal Winer Sat, 09 May 2026 00:00:00 +0000 https://blog.winer.co.il/posts/corner-detection/ Sat, 09 May 2026 00:00:00 +0000 https://blog.winer.co.il/posts/corner-detection/ Exploring sub-pixel corner detection methods on synthetic checkerboard images — comparing the cornerSubPix gradient approach with saddle-point fitting, and measuring their accuracy under noise. https://blog.winer.co.il/posts/camera-distortion/ Fri, 17 Apr 2026 00:00:00 +0000 https://blog.winer.co.il/posts/camera-distortion/ Starting from a pinhole camera model, we introduce real lens distortion through the Brown-Conrady model, and contrast the standard rectilinear f-tan(θ) projection with the equiangular f-θ lens design used in machine vision. https://blog.winer.co.il/posts/cyberpunk-demo/ Sat, 28 Mar 2026 00:00:00 +0000 https://blog.winer.co.il/posts/cyberpunk-demo/ Using homography, CSS transforms, and a phone camera to project live video onto a cyberpunk storefront — all running in the browser. https://blog.winer.co.il/posts/homography-notebook/ Fri, 27 Mar 2026 00:00:00 +0000 https://blog.winer.co.il/posts/homography-notebook/ A visual and mathematical introduction to homography — how to map any flat surface onto any other using projective transformations. https://blog.winer.co.il/posts/rust-rays/ Thu, 19 Mar 2026 00:00:00 +0000 https://blog.winer.co.il/posts/rust-rays/ Building a photorealistic ray tracer from scratch in Rust — lights, shadows, reflections, and a Cornell box. https://blog.winer.co.il/posts/snake-by-llm/ Sun, 10 Aug 2025 00:00:00 +0000 https://blog.winer.co.il/posts/snake-by-llm/ How easy is it to build a Snake game using GPT-5 and Codex? Surprisingly easy — playable in the browser via WebAssembly. https://blog.winer.co.il/posts/analog_synths_and_lasers/ Sun, 22 Jun 2025 00:00:00 +0000 https://blog.winer.co.il/posts/analog_synths_and_lasers/ What happens when a physicist with no musical talent gets a Moog synthesizer and a laser? A deep dive into voltage-controlled oscillators and laser modulation. https://blog.winer.co.il/posts/the-unfinished-paper/ Sun, 15 Dec 2024 00:00:00 +0000 https://blog.winer.co.il/posts/the-unfinished-paper/ On beautiful scientific plots, Rydberg spectroscopy, and the paper that never quite got finished. https://blog.winer.co.il/posts/quantum-sim-basics/ Fri, 03 Nov 2023 10:00:00 +0200 https://blog.winer.co.il/posts/quantum-sim-basics/ Programming quantum simulators with the Classiq platform — a practical introduction to running quantum algorithms. https://blog.winer.co.il/posts/kill-chains/ Thu, 07 Sep 2023 00:00:00 +0000 https://blog.winer.co.il/posts/kill-chains/ How quantum combinatorial optimization could apply to cybersecurity kill chains and IoT network vulnerabilities. https://blog.winer.co.il/posts/the-classiq-engine/ Wed, 16 Aug 2023 00:00:00 +0000 https://blog.winer.co.il/posts/the-classiq-engine/ How the Classiq quantum synthesis engine works — a constraint-satisfaction approach to automatic quantum circuit generation. https://blog.winer.co.il/posts/silicon-qubits/ Sat, 08 Jul 2023 00:00:00 +0000 https://blog.winer.co.il/posts/silicon-qubits/ The solid-state physics you need to understand silicon quantum-dot qubits — band structure, effective mass, and quantum dots. https://blog.winer.co.il/posts/barnes-hut-in-rust/ Thu, 01 Jun 2023 00:00:00 +0000 https://blog.winer.co.il/posts/barnes-hut-in-rust/ Implementing the Barnes-Hut N-body simulation algorithm in Rust, with a WebAssembly demo. https://blog.winer.co.il/posts/quantum_eng_cross_post/ Sun, 02 Apr 2023 00:00:00 +0000 https://blog.winer.co.il/posts/quantum_eng_cross_post/ Cross-post from qubit-il.com: an introduction to quantum engineering (in Hebrew). https://blog.winer.co.il/posts/catqubitpost/ Mon, 27 Mar 2023 09:40:34 +0200 https://blog.winer.co.il/posts/catqubitpost/ A short introduction to bosonic codes and cat qubits — one of the most elegant approaches to hardware-level quantum error correction. https://blog.winer.co.il/posts/arithmetic-on-quantum/ Mon, 13 Mar 2023 17:16:42 +0200 https://blog.winer.co.il/posts/arithmetic-on-quantum/ How do you calculate 1+1 on a quantum computer? A look at quantum arithmetic and adder circuits.