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Comment Re:Startup/Heat Transfer (Score 4, Informative) 307

Maybe I just didn't get the message, but what draws heat away from the die itself? This setup probably does away with thermal paste and similar junctions...

From the video... there's a normal heatsink, and the fan draws the heat from the heatsink through the air bearing.

The other thing is that hydrodynamic bearings are only self-supporting and quasi-frictionless after a threshold RPM is reached. Before the whole setup is spinning fast enough for hydrodynamic effects to take over, it's going to grind against the chip die, and unless they came up with something good, it's going to destroy it on startup...

It's Sandia... I'm sure they've thought of that.

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