Original: Initial research George Smoot then switched to cosmology , and went to Lawrence Berkeley National Laboratory where he collaborated with Luis Walter Alvarez on the experiment HAPPE , a stratospheric balloon for the detection of antimatter in the upper atmosphere , which was predicted by the now obscure steady state theory of cosmology .
Simplified: Early research Professor Smoot began to study cosmology , and went to Lawrence Berkeley National Laboratory where he worked with Luis Walter Alvarez on the experiment HAPPE , a high up weather balloon for detecting antimatter in the upper atmosphere .