Th student revue at University of Copenhagen made a music video ten years ago: [this video] Instead of saying "Barbara Streisand", they say "Banach-Tarski" and a number of oranges double:
Student revue parody turning Barbara Streisand into Banach-Tarski.
Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.
3 Hacker News comments
From the HN archive; up to 20 kept per video, favoring different commenters. Recommendations first.
Citations, criticism and jokes