*23%*:**QuVis: Non-interacting Particles in a 1D Infinite Square Well***21%*:**3D calculation of wave packet tunneling through a supported carbon nanotube***18%*:**Wave Packet Explorer***18%*:**2D Rectangular Square Well Applet***18%*:**2D Circular Square Well Applet***18%*:**PhET Simulation: Quantum Tunneling and Wave Packets***18%*:**Wave Packet Scattering***18%*:**Gaussian Wave Packet: Step Scattering***18%*:**Quilt JS Package: Time Evolution of a Wave Function***17%*:**Free Gaussian Wave Packet***16%*:**Square Wells - Example***16%*:**OSP QuILT Package: Time Evolution of a Wave Function***16%*:**Free Particle Energy Eigenstates Model***16%*:**Consistency of students' conceptions of wave propagation: Findings from a conceptual survey in mechanical waves***16%*:**Investigating student understanding of basic quantum mechanics in the context of time-dependent perturbation theory***16%*:**Two-Dimensional Time-Dependent SchrÃ¶dinger Equation Model***16%*:**Alternative conceptions in Galilean relativity: distance, time, energy, and laws***16%*:**Illinois PER Interactive Examples: 3-D Infinite Well***16%*:**Gravitational Waves: Ripples in the Fabric of Space-Time**