Might be the pliedians?

So maybe it wasnt an alien intervention this time, but it could have been! And in the end, isnt that proof in its own way?

From reptilian Dave Petley, Professor of Hazard and Risk in the Department of Geography at Durham University:

My initial hypothesis here (I am no expert on railway track deformation) in order to stimulate discussion is that the buckling may be the result of compressional deformation across a broad zone. The compression on the very strong railway line was accommodated when a weak point was found, leading to a comparatively rapid deformation to form the main buckle on the left. This then concentrated stress on both sides of the buckle, allowing the other (right side) bends to form.

via the daily what

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