On 9/25/07, Ralph Shumaker <[EMAIL PROTECTED]> wrote:
>
> But even *ONE* dust particle (or even smaller, a smoke particle) would
> have wreaked havoc. I recall being told that a smoke particle clinging
> to the platter hitting one of the heads would be akin to a 747 flying 20
> feet off the ground and finding a 30 foot diameter boulder.
Roughly speaking, that describes disk technology of about 25 years
ago, when the bits were almost big enough to see with the naked eye.
The data density has increased by many orders of magnitude, with
corresponding decreases in flying height.
carl
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carl lowenstein marine physical lab u.c. san diego
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