Education
1,350 interactive pages · most loved first · page 39 of 57· Tonble one of these
Project Impact
An asteroid impact simulator based on a research paper that estimates impact energy, blast radius, and effects, and lets…
Project Implicit
A Harvard research site offering the free Implicit Association Test, letting visitors explore their own unconscious asso…
Promisees
A playground that visualizes how JavaScript promises resolve, so you can edit code and watch chains, errors and timing p…
Protected Planet
An interactive world map of every officially designated protected area on Earth, from national parks to marine reserves.
Ptable
A richly detailed interactive periodic table with properties, electron configurations, isotopes, compounds, 3D orbitals…
Ptree
An interactive tree of life explorer that connects ancestry, traits, and ecological relationships, letting you compare s…
PubChem Periodic Table
An interactive periodic table from PubChem where each element opens a page of properties, isotopes, history and compound…
Purple States of America
A set of US electoral maps from 1980 to 2024 shaded in purple instead of red or blue, showing how every state mixes both…
PyKidos
A browser-based Python playground for children where short programs draw emoji and colors, saved locally with no account…
Pyramid Scheme
Watch population pyramids for every country morph year by year from 1950 to 2100, as overlaid 2D curves or a stacked 3D…
PyRun
A free browser-based Python IDE powered by WebAssembly that runs entirely offline, with numpy, pandas, and matplotlib an…
Python Tutor
A free tool that visualizes code execution step by step, drawing variables and data structures as you run Python, JavaSc…
QED
A short interactive text on propositional logic by Terence Tao, arranged like a computer game with sections and exercise…
Q-PATHS
An interactive web tool that builds visual intuition for quantum entanglement, walking through the basic quantum terms w…
QR is cool
An interactive demo of QR code error correction: pick or scan a code, then scribble on it or cover parts and see it stil…
Quantum Canvas
An interactive 3D visualization of a qubit with real-time noise simulation, showing how errors disturb the state of a qu…
Quantum Roulette and the Nature of Reality
An interactive exploration of Bell's theorem, the strangest result in quantum physics, built around a roulette game that…
R2D3
A scrollytelling visual essay that teaches how machine learning decision trees work through animated, step-by-step inter…
Radiology Masterclass
A free teaching site of X-ray and CT tutorials with interactive quizzes designed to train students to read medical image…
Raft: Understandable Distributed Consensus
A step-by-step animated visualization of the Raft algorithm in which you watch servers elect leaders and replicate data,…
RAMMB-CIRA SLIDER
A real-time satellite imagery explorer from Colorado State that loops GOES and Himawari data across the planet, letting…
Random Prompts
A no-signup random writing prompt generator offering story starters, characters, conflicts, and plot twists without any…
Raspberry Shake
A citizen seismology network where anyone can view live seismograms from personal earthquake sensors installed around th…
Ratatype
A touch typing tutor with lessons, practice, and a keyboarding speed test, plus a free certificate once you reach a qual…
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