title: PHYSICS. PhET: simulations that enhance learning.
authors.affiliation: Science Education Initiative and Department of Physics & Astronomy, University of British Columbia, Vancouver, BC V6T1Z3, Canada.
authors.forename: Carl E
authors.initials: CE
authors.lastname: Wieman
authors.forename: Wendy K
authors.initials: WK
authors.lastname: Adams
authors.forename: Katherine K
authors.initials: KK
authors.lastname: Perkins