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Subject: 
Re: Bridget
Newsgroups: 
lugnet.build.mecha, lugnet.space
Date: 
Tue, 15 Aug 2000 13:46:46 GMT
Viewed: 
1208 times
  

Seawater is moreor-less transparent to a properly tuned blue/green lasers, so
there would be little/no attenuation. No moving parts to corrode in the
saltwater, and no ejection ports to get gummed up by oceanic detritus.


Nope.  It is somewhat translucent to it, to a range of somewhat less than 500
ft.

Otherwise, why do you think that we still work with SONAR for detection of
subs?

James



Message has 2 Replies:
  Re: Bridget
 
(...) Because we can't get the laser technology to work properly yet, but the Navy is currently funding major research & development programs to figure out how to do just that. It's no more blue-sky than supercavitating machine-gun bullets. --Karim (24 years ago, 15-Aug-00, to lugnet.build.mecha, lugnet.space)
  Re: Bridget
 
(...) You know, that's a great point--I think that when I'm back Stateside, it'll be time to produce something on this principle. Why wouldn't *sonic* weapons be ideal for a fluid medium? If you can work out the dynamics and the power, wave (...) (24 years ago, 4-Sep-00, to lugnet.build.mecha, lugnet.space)

Message is in Reply To:
  Re: Bridget
 
(...) Seawater is moreor-less transparent to a properly tuned blue/green lasers, so there would be little/no attenuation. No moving parts to corrode in the saltwater, and no ejection ports to get gummed up by oceanic detritus. --Karim (24 years ago, 15-Aug-00, to lugnet.build.mecha, lugnet.space)

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