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GI0YEW > SETI 01.11.02 10:18l 48 Lines 2014 Bytes #-7800 (0) @ WW
BID : E01285GI0YEW
Read: DL5MCG GUEST
Subj: Pulse Laser...
Path: DB0ZKA<DB0GPP<DB0LX<DB0CZ<DB0GE<F6KFT<LX0PAC<LX0HST<HA3PG<IK1ZNW<
GB7CRV<GB7FUR<GB7SAN<GB7TED<GB7HMI
Sent: 021027/1713Z @:GB7HMI.#63.GBR.EU #:2970 [Newtownards] FBB7.00g25 $:E01285
From: GI0YEW@GB7HMI.#63.GBR.EU
To : SETI@WW
> Date: Fri, 18 Oct 2002 15:41:01 +0200
> Subject: Pulse Lasers Enforce Change In SETI Methodology
>
>
> NEWS OF OTHER LIFE FORMS
>
> Even as new telescopes are built to search for signals from other
> planets, changes in human telecommunications are forcing researchers to
> reconsider what to look for and how to scan the skies.
>
> Scientists with the Search for Extraterrestrial Intelligence or SETI have
> painstakingly combed the stars since 1960, looking for signals from other
> civilizations. The search was for strong radio signals, the rationale
> being other civilizations would operate communications systems that
> evolved in the same way as those on Earth.
>
> Human communications have shifted to high data rates and lower power
> signals, making them more difficult to detect, so if aliens did the same,
> their signals also would be harder to detect.
>
> Researchers had also assumed optical signals -- flashes of light -- would
> not be worth looking for because they would be would be lost in the wash
> of surrounding starlight, but Lawrence Livermore Laboratory in Livermore,
> Calif., has challenged that assumption. Scientists have deveeloped pulse
> lasers for use I fusion power generation. A signal from a distant planet
> using such a laser would be far brighter than starlight and could be
> strong enough to be seen on Earth.
73 - Ken, GI0YEW @ GB7HMI
Remote Sysop - GB7HMI.#63.GBR.EU
There is a very fine line between "hobby" and "mental illness."
I don't know yet just which side of the line I'm on.
GB7HMI BBS is a working memorial
to
the late Hugh Irvine - GI3TLT
original Sysop of GB7HMI
Ö· Ú· ÖÄ º/ Ö· ×Ä Ö· Ú· Ö¶ · Ö·
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Message timed: 17:06 UTC on 27 Oct 2002
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