Move one slider and the math tells you when buying beats renting.

A pixel art scene that never stops growing. You can zoom in forever.

Garrett Lisi's interactive visualization of matter's intrinsic degrees of freedom. Spin beautiful geometric structures that represent fundamental physics.

Visual essays that explain ideas with data visualizations and interactive graphics. Topics range from pop music to politics to pockets in women's clothing.

Explore 700,000+ archaeological artifacts excavated during Amsterdam's North-South metro line construction. Each object tells a story spanning 800 years of city life.

Nicky Case's brilliant interactive guide to game theory. Play through the Prisoner's Dilemma and discover why trust and cooperation evolve — or collapse.

Create catchy music by dragging beatbox sounds onto animated characters. Layer beats, effects, melodies, and choruses. Impossibly fun music creation.

Google's collection of interactive music experiments. Make songs with shapes, visualize harmonics, play with rhythm — perfect for learning music fundamentals.

A beautifully designed experimental website that plays with web conventions and digital interaction. Part portfolio, part art piece.

A mind-melting, endlessly clicking labyrinth of surreal webpages. Every click leads deeper. How far can you go? (NSFW content may appear.)

Bouncing cats. That's it. Click to add more cats. Drag them around. Simple, pure, internet joy.

Collection of interactive web experiments — spend Bill Gates' money, explore the size of space, draw a perfect circle, and more. Pure creative joy.