Three Roads to Quantum Gravity (Science Masters) – Lee Smolin Direct Beschikbaar

It’s difficult, writes Lee Smolin in this lucid overview of modern physics, to talk meaningfully about the big questions of space and time, given the limitations of our technology and perceptions. It’s more difficult still given some of the contradictions and inconsistencies that obtain between quantum theory, which “was invented to explain why atoms are stable and do not instantly fall apart” but has little to say about space and time, and general relatively theory, which has everything to say about the bi…