# Bartosz Ciechanowski Contributor supplied; source control is verified only where a listing's provenance says so. ID: ae99871a39911be180a4b6fdc0b62f3f59e18db43e40c7cf422386fde498313b Search context: `{}` Category: Developers A developer and author of interactive visual explanations of science and engineering, including mechanics, optics and computing. ## About this listing Added as a fan ยท Contributor supplied Source control has not been verified. Listing updated: 2026-11-07 Link checked: 2026-11-07 [Main link]() [Explore listings](/search.md)