Rubber Platelets for Pipe

It looks like an interest and useful technology. I hope this can be successful applied on most pipe repairing for water leak.

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They could spell the end of roadworks... magic rubber plugs that seal burst pipes
By FIONA MACRAE (Last updated at 12:36 AM on 30th October 2008)

(image from Daily Mail)

They could be mistaken for miniature squash balls or cubes of chalk for snooker cues.

But these small pieces of rubber could make digging up the road to repair water leaks a thing of the past.

Named Platelets after the compounds that make blood clot and form a scab when we cut ourselves, they seek out leaks in pipes and plug them from the inside.

.... (ps. Please go to original report to see the whole article.)