It worked out which direction the neutrinos Super-Kamiokande was detecting were coming from.

ECONOMIST: Neutrinos

Such mutations, known as neutrino oscillations, were hinted at three years ago by results from Super-Kamiokande, an older apparatus in Japan.

ECONOMIST: The news that neutrinos have mass is both good and bad

Super-Kamiokande cannot actually count tau neutrinos in fact nobody has ever been able to detect a tau neutrino directly but the team did the next best thing.

ECONOMIST: Neutrinos

What the physicists at Super-Kamiokande found was evidence of such shifting.

ECONOMIST: Neutrinos

It was therefore with considerable excitement that the conference heard from Takaaki Kajta of Tokyo University, one of the leaders of a 100-strong Japanese and American team that has been experimenting with the Super-Kamiokande detector (as it is known).

ECONOMIST: Neutrinos