Hands-on lessons
Lessons you can touch.
Each hands-on lesson is one question from the map, built as a small world you can drag and tap. You make a guess first, then the world shows you why. Free, no account needed.
Physics9 minutesCompleted
Can two particles be linked at a distance?Bell's game · Particles and the cosmosStartMathematicsCompleted
Can every true statement be proved?Gödel's machine · Uncertainty and the machineStart2 hands-on lessons are ready so far, and we are building more. All 428 lessons can already be read: see them all.