Who said water goes only downstream?

Scientists in US have proved water can flow upstream without any external force over metal sheets scored with a carefully designed array of grooves.

They've lot more expectations out of this to drive coolants through overheating computer microchips.

Apparently, it also mentions that the effect was described in 18th century by a German scients Johann Gottlob Leidenfrost.

More at BBC NEWS | Science/Nature | Scientists make water run uphill

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