"John Ordover" <Ordover@aol.com> wrote in message
news:a0863366.0307050916.14a2eebf@posting.google.com...
>
> Thing is, all those advances you list come from two things - the
> discovery of electromagnetism and our refinment of its potential, and
> modern mass-manufacturing techniques.  We've about run out the
> potential of both. Not much room to grow there.

We've still got a lot we can do with electromagnetism.  Our understanding of
quantum effects and the use of them is only beginning.

And it's not entirely impossible we may be able to do with gravity in the
next century what we did with EM in the last.

>
> There's still a lot of room to grow in biology, but that won't get us
> to another system.

Oh?

I can think of at least three ways it might.