Stones which move on their own

In the dry lakebed of Racetrack, Death Valley stones as big as 700 pounds mysteriously slide across the surface of the earth without any notable external forces acting upon them. While some researchers believe a combination of natural events, such as wind and ice, cause these stones to “sail”, others question this theory pointing out that the stones don’t follow a predictable path and change directions abruptly.

Here are some theories. Here’s one explanation:

[H/T Chuckles]

1 comment for “Stones which move on their own

  1. December 28, 2011 at 21:54

    Interesting…

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