Feb 26 2012


An exemplary phenomenon: the TeV-photon transparency of the universe
WISPy explanations (Alessando Mirizzi,Hamburg Uni.)


Feb 23 2012


An exemplary phenomenon: the TeV-photon transparency of the universe
The observations: active galactic nuclei (Manuel Meyer, Hamburg Uni.)


Feb 23 2012


An exemplary phenomenon: the TeV-photon transparency of the universe
The environment: extragalactic background light (Martin Raue, Hamburg Uni.)