August 13, 2018Einstein made great discoveries based on pure thought, but he also made mistakes. Only experiment and observation could determine which was which. Credit: Getty Images Essay by Avi Loeb in Scientifican American, "Our discipline is a dialogue with nature, not a monologue, as some theorists would prefer to believe." Read More: https://blogs.scientificamerican.com/observations/theoretical-physics-is-pointless-without-experimental-tests/