What would you learn if you could turn off the atmosphere? What problems might you solve if you could increase the force of gravity or had the ability to manipulate individual electrons in a circuit?

PhET Interactive Simulations at the University of Colorado provides over 130 free interactive math and science simulations that are based on extensive education research and support more effective and ...

It's hard to find a physics or chemistry teacher that doesn't use PhET Interactive Simulations, a free online science and math simulations platform founded at the University of Colorado Boulder in ...