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How could I reach other dimensions in the multiverse? (part 2)

To reach other universes, one reader suggests a tweak to Douglas Adams’s Infinite Improbability Drive

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How could I theoretically reach other dimensions in the multiverse if they exist? (continued)

Peter Bowman
Banksia Beach, Queensland, Australia

In view of the success of Douglas Adams’s Infinite Improbability Drive, which allows instant access to all points of his universe, it seems to me that a little tweaking could produce a Totally Impossible Drive, which would provide access to other universes.

Edward Figaredo
California, US

A previous response (28 January) stated that physicist Paul Dirac would condemn this sort of theorising as “not even wrong”. Perhaps Dirac used these words, but the phrase originated with Wolfgang Pauli, and in his native German was “Das ist nicht nur nicht richtig; es ist nicht einmal falsch!”, meaning “that is not only not right; it is not even wrong”.

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