Daily Archives: June 1, 2007

A reply to Motl’s post on Variable Speed of Light (VSL) theories.

Motl wrote a blog post calling the idea of a variable speed of light stupid.

Any flat space gravity theory must involve a variable speed of light. While
the Cambridge geometry group’s Gauge Gravity is not normally described as
a VSL theory, I’ve nevertheless written a defense of the idea of VSL and
put it on my gauge gravity website here.

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Filed under heresy, physics