Learning resources

Follow your curiosity.

A few trusted places to start, from your first mechanics problem to the edge of current research.

Start with the fundamentals

Explore waves & matter

University of Colorado Boulder · PhET

Interactive simulation

Wave Interference

Experiment with water, sound, and light. Adjust sources and slits to see interference and diffraction take shape.

Look into the universe

NASA Science

Explainer collection

Black Holes

Learn what black holes are and how astronomers study their effects on surrounding matter and spacetime.

Curated from universities, research institutions, and their education teams. All six resources are freely available.

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