[HN Gopher] Finding treasures with physics: the fingerprint matrix
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       Finding treasures with physics: the fingerprint matrix
        
       Author : v4rp1ng
       Score  : 27 points
       Date   : 2025-10-03 20:04 UTC (3 days ago)
        
 (HTM) web link (www.tuwien.at)
 (TXT) w3m dump (www.tuwien.at)
        
       | v4rp1ng wrote:
       | So simple -- why hasn't anyone thought of that already?
        
         | signa11 wrote:
         | typically you don't know that you are looking for steel-balls
         | in sand, you might be looking for gold coins etc. in such cases
         | the space of all interesting fingerprints is just too large.
        
           | efm wrote:
           | The interesting fingerprints are the ones which are different
           | than the surrounding material.
        
             | yorwba wrote:
             | And that is too large a space to test them all with this
             | method.
        
         | tanderson92 wrote:
         | They have.
        
       | lyu07282 wrote:
       | > the fingerprint method has now also been submitted for
       | patenting and taken up by a medical technology company
        
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       (page generated 2025-10-06 23:01 UTC)