SCHEDULED MAINTENANCE - nanoHUB.org will be completely unavailable on Wednesday, December 11, 2013 from 7AM EST (12:00 UTC) to approximately 6PM EST (23:00 UTC) for significant hardware and software upgrades. Please plan accordingly and watch this space for further information. We apologize for any inconvenience.
Find information on common issues.
Ask questions and find answers from other users.
Suggest a new site feature or improvement.
Check on status of your tickets.
This tool calculates the optimal distribution of particles subject to a Coulombic potential on the surface of a sphere.