Building the neutrino detector KM3NeT on the Mediterranean Sea floor has picked up pace. Five detection lines, each carrying eighteen detectors, have been sunk and installed, and the first measurement data are coming in, says neutrino physicist Dorothea Samtleben.

The KM3NeT detector is being built to detect neutrinos coming from outer space. Neutrinos elementary particles which interact with other matter very rarely: every second, millions of them are passing undetected through each square centimeter. read more