[BC] x-rays and hard drives

Robert Meuser Robertm
Sat Nov 19 20:40:46 CST 2005


But it is laser.

R

DANA PUOPOLO wrote:
> Actually, there's a very expensive (> $10,000.00) hand made Japanese turntable
> that does exactly this....and it's reputed to be the best sounding turntable
> ever made.
> 
> Not to mention that there's zero groove wear. 
> 
> 
> -D
> 
> 
> 
> ------ Original Message ------
> Received: Sat, 19 Nov 2005 04:06:55 PM PST
> From: Kevin Tekel <amstereoexp at yahoo.com>
> To: broadcast at radiolists.net
> Subject: [BC] x-rays and hard drives
> 
> Cowboy wrote:
> 
>> It is possible to look at the surface structure of a disk, and
>> determin the magnetic alignment of the individual molecules.
>> Once that data is collected, you then could reconstruct the magnetic
>> patterns of the disk surface, thence the data streams,
>> bit by miserable bit.
> 
> 
> You can also place a phonograph record on a scanner, and use a "virtual
> stylus" to spin its way around the disc and play the audio, just based on
> the scanned image of the disc's grooves.  The quality is very poor, but
> people have been able to do this using an ordinary PC scanner.
> 
> 
> 
> 
> 	
> 		
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