Weinberg talked in two lectures about the Grand Unified Theory (GUT) that had been developed since 1974, and how it could explain the huge amount of matter in the universe compared to the amount of antimatter.
Weinberg v dvoch prednáškach hovoril o GUT, vyvinutej od roku 1974 a o tom ako by mohla objasniť veľké množstvo hmoty, ktoré v porovnaní s antihmotou existuje.