Our best sims will occupy students (and, on occasion, faculty) for hours. Our Physics Education Technology (PhET) project's team of scientists, software engineers and science educators has now ...

"Models of the Hydrogen Atom" is an educational simulation in HTML5, by PhET Interactive Simulations at the University of Colorado Boulder.

Kathy Perkins is Director of PhET Interactive Simulations (2008-present) and Professor Attendant Rank in Physics, specializing in Physics Education and STEM Education Research. She previously served ...

"Energy Forms and Changes" is an educational simulation in HTML5, by PhET Interactive Simulations at the University of Colorado Boulder. For a description of this simulation, associated resources, and ...