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A comment on The fanless spinning heatsink: more efficient, and immune to dust and detritus. Parent comment

Re:The fanless spinning heatsink: more efficient, and immune... by stcredzero on Tuesday July 12, 2011 @01:33PM (#2755582)
The air gap is 0.001 inches? Those are pretty huge for dust particles. Preventing those very large particles from fouling the air bearing will be easier than preventing much smaller particles from fouling a lubricated one.
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