"Circuit Construction Kit: DC" is an educational simulation in HTML5, by PhET Interactive Simulations at the University of Colorado Boulder. For a description of this simulation, associated resources, ...

"Circuit Construction Kit: AC - Virtual Lab" is an educational simulation in HTML5, by PhET Interactive Simulations at the University of Colorado Boulder. For a description of this simulation, ...

Electric circuits are the foundation of many devices and gadgets that we use every day, from smartphones to laptops to LED lights. But how do they work, and how can we teach kids the basics of ...