Last week; November 1, 2025: Weekly Notes, 2025/20

• Ookie is very interested in bubbles🫧 these days. Soap bubbles are nice but they don’t last long and burst easily. You can add quite a bit a sugar t solution to make bubble that bounce and don’t burst easily. In fact you can go further Physicists determine the optimal soap recipe for blowing gigantic bubbles – Ars Technica.
• Quite a lot of software building is about figuring out the list for invariants and taking care of them. ****Some languages makes is easier to work with invariants e.g. Haskell and Rust type systems are great of enforcing invariants that would require a lot of asserts and manual enforcing in Python etc. Thinking clearly about software
• I keep coming back to (Quite) A Few Words About Async every time I see a popular post on HN about async. May be my long term memory is getting worse. Perhaps I need to write a blog to understand it properly and drill it into my head.
• What is the best resolution screen for programming Resolution limit of the eye — how many pixels can we see? | Nature Communications has some hints now. If you keep your screen 50cm away like I do, anything above 275 PPI is an overkill.