Complex sentence: PVLAS (acronym for Polarizzazione del Vuoto con LASer, "polarization of the vacuum with laser") is an experiment for the detection of dark matter at the Legnaro National Laboratory of National Institute of Nuclear Physics near Padova, Italy.
Split into simpler sentences: PVLAS (acronym for Polarizzazione del Vuoto con LASer, "polarization of the vacuum with laser") is an apparatus dedicated to the detection of dark matter. It is located at the Legnaro National Laboratory of National Institute of Nuclear Physics near Padova, Italy.