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I remember a physics experiment from school where a wire with weights on each end was placed over a block of ice.

The pressure of the wire caused the ice to melt underneath and refreeze once the wire had passed.

Thus the wire passed through the block of ice - keep it whole.

I thought the term was "relegation" but am not sure now.

Thanks

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up vote 2 down vote accepted

Sounds right except it's "regelation". And the experiment you're describing is found right on wikipedia!

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Thanks - my google search were returning only things about sports ;-) will accept when stack exchange lets me –  Adrian Cornish Jun 22 '12 at 0:01
    
Spelling helps. –  Adrian Cornish Jun 22 '12 at 0:08

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