Welcome: Join a national collaboration of high school students to study cosmic rays.

Cosmic Ray e-Lab Milestone:
30,000 data files have been uploaded from QuarkNet Cosmic Ray Muon Detectors (CRMDs) from around the world. Use the PERFORMANCE analysis tool to evaluate the quality of these data files.
And over 600 posters now exist; these are a rich source of student investigations.
Thanks to all.
All Cosmic Ray Muon Detector owners
Include these commands with data-taking:
ST 2 5
SA 1

Send concerns to: HELPDESK.
Use this Cosmic Ray e-Lab URL: www.i2u2.org/elab/cosmic