Dictionary » E » Echoes



(Science: radiobiology) wave packets (pulses) which have been reflected or otherwise returned to the detector, which are sufficiently delayed and retain sufficient magnitude so that they are perceived as a signal distinct from the one transmitted directly. (in other words, just like sound echoes, only for analogous phenomena with other waves.)

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The Fiber Disease

You have evaded every question I ask. Silence is golden right? I stroll through the echoes of your mind.

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by al
Sat Jan 13, 2007 5:11 am
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6246442


... Unless your aliens are so good that they can change the laws of physics, it is improbable that they could come here. If they are quite far, the echoes of human activities would come to their planet with a delay equal to the number of light years between our worlds. Then they would have to come ...

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by sebast18
Fri Mar 17, 2006 6:53 pm
Forum: General Discussion
Topic: xenobiology
Replies: 23
Views: 8640

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