"The issue not mentioned is one I've encountered in other similar
projects which is false negatives cause by "creep" in plastics and
general thermoplastic movement. We had a near-UV scanner that could
map the surface of a test object (sensitive circuit boards) down to a
few wavelengths, but it was too damn accurate. Go back and scan the
same object a week later and stuff (like solder joints) has moved
naturally. That doesn't work when things are in transit for weeks
with vibrations and temperature variations"
> which someone seems determined to bury for some reason
People may be downvoting the top message because it contributes nothing. It doesn't require some nebulous malicious actor somehow trying to keep you down.
Well, this meta speculation about people's machinations is generally
unhelpful anyway. But my claim was somewhat different; that the same
article was spammed to HN three times in a 24 hours. I was surprised
it wasn't flagged as a dupe and merged, which meant only the slight
inconvenience that my earlier relevant comment had to be copy-pasted.
I was wondering if degradation of the glue might too. Also, presumably this only works on solid surfaces - i.e. things that flex (clothes? ...glass?) might not work as the pattern might change over short/long periods of time too.
