der Mouse wrote:
Certainly. And forget centrues; try millennia. The Pyramids. The
Sphinx. Stonehenge. The French cave paintings. Old Greek and Roman
coins from archaeological digs.
However, since the formatting information on the cave paintings
has been lost, all we can say is "that *looks* like a horse, but why
is he ...". We are also mostly guessing on the others, too.
At least the Egyptians left us the Rosetta Stone, which gave us
a chance at breaking the format.
Maybe, sometime in the distant future, people will look at our stuff
and say, "that must have been built by aliens".
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.