Outreach:

The ASPIRE Lab is now one of the most innovative and interactive science education web sites available on the Internet. The powerful combination of inquiry-based content, along with interactive, hands-on labs provides a powerful visualization tool for you and your students to use. Best of all, the ASPIRE Lab is free!

Intro to Cosmic Rays

• What Are Cosmic Rays?
• Discovery of Cosmic Rays

Ultra-High Energy Cosmic Rays

• Energy Spectrum of Cosmic Rays
• The Mystery of Ultra-High Energy Cosmic Rays
• Acceleration Mechanisms
• Possible Sources of UHE Cosmic Rays
• Exotic Mechanisms

Detection of UHECR's

• The Energy Spectrum and Detection of Cosmic Rays
• Extensive Air Showers
• Properties of the Shower Maximum
• Ground Arrays
• Air Cerenkov Arrays
• Cerenkov Gamma Ray Telescopes

History of the Air Fluorescence Technique

• Air Fluorescence
• The Origin of the Fluorescence Technique
• The Cornell Experiment
• University of Utah: 1976