Lesson plan

Mutability

The principle of mutability is the notion that any physical property which appears to follow a conservation law may undergo some physical process that violates its conservation. John Archibald Wheeler offered this speculative principle after Stephen Hawking predicted the evaporation of black holes which violates baryon number conservation.

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Article summary

The principle of mutability is the notion that any physical property which appears to follow a conservation law may undergo some physical process that violates its conservation. John Archibald Wheeler offered this speculative principle after Stephen Hawking predicted the evaporation of black holes which violates baryon number conservation.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

Bibliography

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Key claims and bibliography are generated from the same tracked claims and sources as the article page.