Geometric optics is a confusing subject for many physics students, who often first encounter the subject in introductory college physics classes. Traditional instruction in geometric optics is not as ...

Tugging a small toy with your dog can be a lot of fun—but it’s also a great way to experiment with forces acting on an object. Forces are what scientists call the pushing and pulling on objects. In ...

The University of Colorado Boulder is delighted to announce that Nobel Laureate Carl Wieman is returning to CU this fall to serve in a part-time appointment as the Senior Advisor to the PhET ...