[TChad]

Makes perfect sense. Some science fiction writer should have figured this out a long time ago. I wonder if that happened.

[WhiskeyX]

“Makes perfect sense.”

No, it makes perfect nonsense. See:

[sci.astro] ET Life (Astronomy Frequently Asked Questions) (6/9)
Section - F.06 How far away could we detect radio transmissions?

http://www.faqs.org/faqs/astronomy/faq/part6/section-12.html