The mysterious moving stones of the packed-mud desert of Death Valley have been a
center of scientific controversy for decades.
Rocks weighing up to hundreds of pounds
have been known to move up to hundreds of yards at a time.
Some scientists have proposed
that a combination of strong winds and surface ice account for these movements.
However, this theory does not explain evidence of
different rocks starting side by side
and moving at different rates and in disparate directions.
Moreover, the physics calculations do not fully support this theory
as wind speeds of hundreds of miles per hour
would be needed to move some of the stones.
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