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Bonacci, Enzo – Online Submission, 2021
This manuscript is meant to support secondary school teachers in their constant effort to find novel ways to engage students. Adolescents seem particularly stimulated by time-travelling scenarios, like the famous "wormhole billiard ball paradox" proposed by J. Polchinski in 1990, which are usually solved through closed time-like curves…
Descriptors: Puzzles, Secondary School Science, Physics, Scientific Concepts