What wobbling rocks can tell us about nuclear safety – Yahoo News Australia

We’ve all seen them; we’ve even taken pictures of ourselves pretending to hold them up or to push them over.
These are the precariously balanced rocks on a hill or a coastal cliff. It’s as if the gentlest nudge would send them tumbling.
In truth, the disturbance needed to unsettle the blocks is quite significant, and that got husband and wife geologists Drs Dylan and Anna Rood wondering about how these great stones could be used to decipher earthquake history.
Think about it: if a precarious…

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