Michael Kay wrote
>> I find it hard to imagine any sequence of symbols can convey
information to someone
>> who has no prior knowledge that enables them to attach meaning to
the symbols
>> unless perhaps the symbols are visual representations of objects
that both
>> the sender and receiver are familiar with.
Pioneer 10 and 11 plaques:
http://en.wikipedia.org/wiki/Pioneer_plaque
If / when one of those plaques are found in the future, it will be
quite interesting if the finder
is familiar with the symbols.
