The Intellectual Carnage of String Theory, Loop Quantum Gravity, and Supersymmetry in Theoretical Physics

Roger Penrose is arguably the most important living descendent of Albert Einstein’s school of geometric physics. In this episode of The Portal, we avoid the usual questions put to roger about quantum foundations and quantum consciousness. Instead we go back to ask about the current status of his thinking on what would have been called “Unified Field Theory” before it fell out of fashion a couple of generations ago. In particular, Roger is the dean of one of the only rival schools of thought to have survived the “String Theory wars” of the 1980s-2000s. We discuss his view of this Twistor Theory and its prospects for unification. Instead of spoon feeding the audience, however, the material is presented as it might occur between colleagues in neighboring fields so that the Portal audience might glimpse something closer to scientific communication rather than made for TV performance pedagogy. We hope you enjoy our conversation with Prof. Penrose.

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