2015年4月24日 星期五

Infra digging

If intelligent, technologically capable life forms had emerged elsewhere in the Milky Way, they would probably have done so long enough ago that they would, by now, be everywhere—which evidently they are not. This line of reasoning suggests humans really are the only intelligent life in this particular galaxy. Perhaps, therefore, the search for aliens is looking in the wrong place http://econ.st/1aYyV9H

THOSE who look for intelligent life on other planets usually confine their efforts to listening for radio signals from stars that are, on the cosmic scale of things,...
ECON.ST

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