Conservative Radicalism vs. Radical Conservatism

The transcript discusses John Wheeler's ideas on how theoretical physicists approach changing theories, focusing on conservative radicalism and radical conservatism. Conservative radicalism involves discarding principles, which is seen as ineffective. Radical conservatism, on the other hand, involves pushing existing theories to their limits, leading to deeper understanding and new possibilities. The discussion highlights that while principles in physics have evolved, they have not been lost, and new possibilities remain unexplored.

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