110 likes | 229 Vues
This project, funded by the Université du Québec network, integrates virtual reality (VR) technology into distance education, specifically targeting molecular vibrations and rotations. Developed by physicist Marc Couture and a team of chemists, VR Molecules has been available in open access since 2004. The tool allows students to explore and simulate molecular dynamics in an interactive manner, fostering a deeper understanding of complex concepts. Future enhancements aim to expand the database and improve user functionalities, promoting richer learning experiences.
E N D
VR MoleculesInteractive Multimedia Simulationof Molecule Vibration & Rotation Marc CoutureTélé-université/UQAM mcouture@teluq.uqam.cateluq.uqam.ca/spersonnel/mcouture MERLOT 2007 Conference New OrleansAugust 8
Summary • Context • Let’s have a look • Under the hood • Using VR Molecules • What’s to come
1. Context • Project funded by Université du Québec network • 1 physicist (MC), a few chemists (’00-’03) • Télé-université • Distance education university, now part of Université du Québec at Montréal (UQAM) • No specialized science program, no chemistry courses • French-language online multimedia units integrating VR Molecules commercialized since ’03 by Université du Québec Press until this year • VR Molecules available in open access since ’04 (in French) and ’05 (in English)
3. Under the hood • The math • The physics • quantum / classical mix: discrete energy levels; zero-point energy / balls & sticks representation; classical velocities & amplitudes
3. Under the hood (continued) • The physics (cont’d) • mode configurations obtained from Herzberg’s book Molecular Spectra and Molecular Structure • validation by application of momentum and angular momentum conservation laws • The data • Excel file with all molecular parameters and formulae for amplitudes and conservation laws • internal database (40-odd molecules) imported from Excel file; alternate file may be loaded at startup • Data from various sources (Herzberg, NIST)
4. Using VR Molecules • Initial request: teacher’s tool for demonstrations in the classroom (“If we have the right tool to show it, they’ll understand”) • Online version (VR Molecules) to allow students: • to (re)view the same demonstrations • to freely explore (play with?) the simulation • At first, two versions • VR Molecules Pro, a stand-alone application which allowed the creation of configuration files and multimedia documents ($$$) • VR Molecules, a read-only online version (free)
4. Using VR Molecules (continued) • Multimedia units (in French) integrating VR Molecules and some specific-purpose animations/simulations ($$$) • All resources now available in open access • More advanced features allowing for richer learning activities • displaying other molecules defined in the database • adding new molecules in the database • Students should learn much in the way the simulation’s creator did
5. What’s to come • Discussions/data about actual classroom/student use of VR Molecules • Enlarging the database => collaboration • Enhancing higher-level functionalities (e.g. choosing & adding molecules) and making them more user-friendly
Acknowledgments • Alexandre Ayotte: expert graphics designer and programmer (a rare combination) • Guy Collin: chemistry professor, retired but in no way retarded • Université du Québec (and its Presses) and Télé-université