Could we (as a species) theoretically make something
that will last
for a fairly significant (from a human POV) length of time, such as a
few hundred years?
Certainly. And forget centrues; try millennia. The Pyramids. The
Sphinx. Stonehenge. The French cave paintings. Old Greek and Roman
coins from archaeological digs.
Of course, they're not much good for backups (which is where this
started), unless you have *really* small amounts of data to back up,
but yes, we as a species can create artifacts that last many centuries;
we know this because we have artifacts that have already lasted many
centuries.
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