Education
1,350 interactive pages · most loved first · page 31 of 57· Tonble one of these
MetaNumbers
A number encyclopedia that shows everything about any positive integer you enter: prime factorization, divisors, binary…
Meteor Showers
An interactive 3D visualization by Ian Webster that shows meteor shower orbits sweeping through the solar system and whe…
Meteor Showers as Seen from Space
A 3D visualization of NASA meteor shower data showing the dust streams of comets crossing Earth's orbit, with the Persei…
Metro Line Map
An interactive world map embedding the schematic line diagrams of hundreds of metro systems directly onto their real geo…
Metronome Online
A free online metronome with adjustable BPM, time signatures, accents, and subdivisions that works in the browser with n…
Microbreaks
A simple study and focus timer that schedules short resets, with optional sounds and guided breathing, and no account ne…
microgpt
A visualization of a tiny GPT language model running in your browser, so you can watch how tokens flow through the layer…
MicroGPT Explained Interactively
An interactive walkthrough of a 200-line GPT, from tokenizing names to stepping through backpropagation and attention he…
Microtonal Piano
A playable digital instrument in the browser inspired by the kanun, with extra keys between the usual notes so you can h…
Midiano
A browser piano-learning app that loads any MIDI file and shows the notes as falling bars above an on-screen keyboard so…
Million Whys Daily Science Quiz
A daily science quiz inspired by the classic 100,000 Whys books, with questions about animals, astronomy, physics and th…
Mindmaps
A browser-based mind mapping app that works offline, letting you sketch connected ideas as clean, tidy mind maps and rea…
Mini Micro
A retro-styled virtual fantasy computer you can program in your browser with MiniScript, complete with sprites, sound, a…
Mirinae Explorer
A Korean study aid that analyzes any sentence you paste, identifying and explaining the parts of speech, particles, and…
MIT Mathlets
MIT's collection of free interactive applets for exploring differential equations, Fourier series, linear algebra and mo…
MIX Simulator
A browser-based simulator of MIX, the hypothetical computer from Donald Knuth's The Art of Computer Programming, for run…
MixedName
A baby name finder that lists names shared between two languages, with dictionary matching, fuzzy matching, and reverse…
M-Journal
Type any Wikipedia topic and this MSCHF prank tool reformats the article as an official-looking academic journal paper,…
Mnemosyne: Meanderings through Aby Warburg's Atlas
Wander through panels of Aby Warburg's unfinished Mnemosyne Atlas, a visual encyclopedia of images from antiquity to the…
Modal Logic Playground
An interactive playground for modal logic where you build Kripke models and test formulas against them to see which worl…
model.energy
An interactive tool for designing a zero-emission electricity system: pick a location, fetch wind and solar data, choose…
Money Visualiser
See what any amount of money looks like as 3D stacks of real banknotes. Compare 82 currencies side by side and get a fee…
Monkeytype
A minimalist, customizable typing test with themes, live statistics, and leaderboards, beloved by mechanical keyboard en…
Monte Carlo Methods
An interactive tutorial on the law of large numbers and Monte Carlo methods, using roulette to show why the casino alway…
Stumble onto more like this
One click takes you to a page you didn't know you were looking for. Rate it and the next one lands closer to your taste.
Add to Browser — it's freeWorks in Chrome, Edge and Brave. No account needed.