1. Toni Carlson of Fairbury Jr. Sr. High School

2. Research center located in Los Angeles, California Caltech, Cal State Northridge, and UC Irvine collaborate with high school students L.A. Location and Collaboration

3. Potential CHICOS installation sites in L.A. Sites operating as of June 2002 Operating Sites

4. Array began in Fall 2001 Plans to continue deployment in the next 2 years (2002-2003) Operate it as a major research facility. These are two students from Westridge School working on their supply boxes. Future Plans

5. To the right is a scintillation panel with special doping which turns cosmic rays into light. On the left is a Global Positioning System (GPS) receiver. Project Materials

6. This is a Photo Multiplier Tube (PMT). More Project Materials

7. Detect the highest energy elementary particles ever observed Primary goal is to collect more events at ultra-high energies and characterize that energy and locate apparent direction of origin

8. CHICOS is California High school Cosmic ray ObServatory The research center is in Los Angeles They plan to continue the deployment of new operating sites Primary goal is to find the origin of cosmic rays and characterize them

9. If you have any questions further regarding CHICOS, contact Dr. Michelle Larson, CHICOS project coordinator, at chicos@caltech.edu.

10. http://www.chicos.caltech.edu