Did you ever see a cosmic ray spectrum like this.........?
For the source code and references click here
Here are some previous Astroparticle Physics efforts at Chicago:
HEAT-e+- (positron/electron detection at high energy)
RICH - (Ring Imaging Cherenkov detector)
DICE - (Air shower composition experiment)
CASA-MIA - (PeV gamma-ray air shower array)
BLANCA - (Air shower composition experiment)