Scarecrow Man Posted May 2, 2006 Report Share Posted May 2, 2006 The droplets propel themselves over metal sheets scored with a carefully designed array of grooves.The US scientists did the experiment to demonstrate how the random motion of water molecules in hot steam could be channelled into a directed force. But the team, writing in Physical Review Letters, believes the effect may be useful in driving coolants through overheating computer microchips.The physics at work here has been witnessed by all of us in the kitchen.Leave an empty pan on the stove for too long, and water, when you drip it over the scorching pan bottom, will hover over the surface on a bed of steam. ...Full Story Quote Link to comment Share on other sites More sharing options...
catgate Posted May 3, 2006 Report Share Posted May 3, 2006 The droplets propel themselves over metal sheets scored with a carefully designed array of grooves.The US scientists did the experiment to demonstrate how the random motion of water molecules in hot steam could be channelled into a directed force. But the team, writing in Physical Review Letters, believes the effect may be useful in driving coolants through overheating computer microchips.The physics at work here has been witnessed by all of us in the kitchen.Leave an empty pan on the stove for too long, and water, when you drip it over the scorching pan bottom, will hover over the surface on a bed of steam. ...Full StoryStaggering. I wonder if the motor car engine pioneers realised they were using such advanced knowledge when they used the thermo-syphon for water cooling their engines? Quote Link to comment Share on other sites More sharing options...
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