AI tutoring and learning tools, on your own terms.
Ask the concierge what you're curious about, or browse tools built for hands-on, self-directed learning — no login, no classroom required.
Built for two kinds of learners
Explore at your own pace
Physics, math, language, history, and music — through hands-on simulations and an AI tutor built for curiosity, not just answers.
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Save prep time, keep control
Copy-paste AI prompt templates for lesson plans, rubrics, and worksheets — or borrow a ready-made interactive activity for tomorrow's class.
Browse teacher toolsPopular right now
A sample of what's live today — browse everything by subject in Tools & Activities.
Pendulum & Spring-Mass SHM Lab
RK4-integrated nonlinear pendulum and damped spring-mass oscillator with live phase-space and energy plots. Watch the small-angle approximation break down in real time.
Mandelbrot Explorer
Interactively explore the infinite complexity of the Mandelbrot set. Click to zoom, drag to pan, and discover fractal beauty at any scale.
Chinese Reading Practice
Learn to read Mandarin Chinese with text-to-speech support and adjustable reading speed
Chess Openings Explorer
Move pieces on a chessboard with frequency-shaded arrows showing what's commonly played, backed by a curated opening tree and win/draw/loss stats from high-rated Lichess games.
Lesson Plan Generator
Standards-aligned plans in under a minute — hook, instruction, guided practice, exit ticket.
Rubric Maker
Custom rubrics from an assignment description. Guide already on the blog.
From the blog
30 Retrieval Practice Warm-Ups for Any Subject
Thirty five-minute warm-ups that get students pulling ideas out of memory at the start of class, with tips for running them and adapting them by subject.
Teachers40 Exit Ticket Questions That Show What Students Understood
Forty exit ticket questions, grouped by purpose, plus how to read the responses in two minutes and use them to plan tomorrow's lesson.
TeachersHow Can Teachers Design Assignments That Still Work When Students Have AI?
Practical ways to redesign assignments so that students still have to think: process evidence, in-class checks, personal context and honest AI-use rules.
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