I just finished reading this story, and it is highly interesting. My only thought is that it should have been stated "If Intelligent life exists
elsewhere in our galaxy, and was able to transmit radio waves long enough ago to reach us in the time needed, advances in computer processing power
and radio telescope technology will ensure we detect their transmissions within two decades..."
If they only developed radios/tvs in the past few centuries, then we would still not be able to hear them, unfortunately.


) Certainly, the Moores "Law"
scenario isn't lost on me here - computing power per £ just gets better and better - here, we've tended to upgarde machines more of less in line
with it (retaining two machines at any one time) aand went from a P2 233Mhz, to a P3 600Mhz, to the current P4's 2Ghz and 2.6Ghz respectively. Now,
P4 3Ghz HT are becoming relatively inexpensive, so *perhaps* there will be an upgrade sometime (when expenses allow!!). 