Interactive lessons that show youhow the world works.
Lessons
Feel the rhythm of your heart and music! Learn how we measure beats and control the speed of sound.
Train your brain to spot patterns! Look at the sequence, find the rule, and predict what comes next.
Computers only know two things: on and off. Learn how they use this simple trick to count any number using binary.
Discover the magic of telling time! Learn how the hour and minute hands dance together to show us when it's time for breakfast, play, and bedtime.