Personal Site of Andrei N. Ciobanu - Links

The probability behind why an arriving elevator so often seems to be traveling in the wrong direction.

A practical argument for reasoning about floating-point comparisons instead of reaching automatically for arbitrary epsilons.

A paper arguing that success itself can create the conditions for ethical failure among senior leaders.

Listener-supported classical music radio streaming around the clock.

A privacy-first collection of small browser tools for images, color, typography, text, print, and calculations.

Beautifully illustrated and animated teardowns explaining how everyday products and mechanisms work.

An interactive periodic table arranged across an infinite aperiodic Penrose tiling.

Animated versions of the mechanisms in Henry T.

An independent browser falling-sand simulator and guide library with 85 materials, reproducible experiments, and explanations of local reactions.

A visual search engine for finding images with a similar mood, style, or subject.

A calm collection of videos looking out through other people's windows.

A strange little Neocities monastery to approach and explore.

A stylish browser radio tribute to Jet Set Radio's music and street-art energy.

A tiny fragment of Superbad's old experimental web-art maze.

A browser-based retro operating system toy with apps, games, and nostalgic chaos.

A surreal browser-based operating system parody packed with tiny apps and web weirdness.

A daily word puzzle about dividing a grid into regions that form English words.

A daily numbers puzzle about finding the hidden calculation in six guesses.

A daily digit-placement puzzle where adjacent matches score points.

A daily quotefall puzzle where letters drop into columns to reveal a quote.

HTTP status codes illustrated with cats.

A gallery and playground for real-time shader art and graphics experiments.

A strange little web toy that finds a photo pointing exactly where your cursor is.

A collection of small playful browser games and interactive experiments.

A tiny playable web toy for making Bongo Cat tap along.

A clock told through photos of people holding or showing the current time.

A playful browser piano for turning binary patterns into sound.

A gallery of strange, funny, and unusually memorable book covers.

A short explanation of the historical reasons behind Vim's classic movement keys.

A blogroll and discovery space for sites from the Bear ecosystem.

John D.

Aphyr on truth, systems, and the uneasy shape of the near future.

An essay about quiet, attention, and what remains undisturbed in a noisy world.

Create generative music online using JavaScript.

Recreational mathematics and puzzles.

Run Linux or other operating systems in your browser.

Stories from beyond the screen's edge.

A living library of Jewish texts.

A curated collection of websites that deliberately keep their total size under 512KB to showcase that fast, efficient, and content-rich web design is possible without modern web bloat.

A short manifesto arguing that privacy is essential for a free society and must be actively defended using cryptography.

A mesmerizing browser-based fluid simulation you can interact with directly.

A charming site about how logarithms once served as everyday computational tools.

Video by Eskil Steenberg.

A medieval numeral system invented by monks in the 13th century to write numbers in a highly compact way.

A music performance rendered as oscilloscope art.

Simple webserver behind sqlite.org since 2004.

Making hard ideas intuitive.

Fractal to infinity.

A reference on the famously solitary whale call recorded at an unusual frequency.

A short analysis of Morse code through information efficiency.