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tech / sci.physics.relativity / Re: If lasers point in one direction how do we see them?

SubjectAuthor
* Re: If lasers point in one direction how do we see them?Buck Laramee
`- Re: If lasers point in one direction how do we see them?Richard Hertz

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Re: If lasers point in one direction how do we see them?

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From: eiu...@ncnsfc.ca (Buck Laramee)
Newsgroups: sci.physics.relativity
Subject: Re: If lasers point in one direction how do we see them?
Date: Wed, 18 Aug 2021 19:06:13 -0000 (UTC)
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 by: Buck Laramee - Wed, 18 Aug 2021 19:06 UTC

mitchr...@gmail.com wrote:

> there light absorbs and radiates 360...

you don't. What you see is scattering and evt reflection. You don't see
the laser beam.

Re: If lasers point in one direction how do we see them?

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Subject: Re: If lasers point in one direction how do we see them?
From: hertz...@gmail.com (Richard Hertz)
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 by: Richard Hertz - Wed, 18 Aug 2021 19:19 UTC

On Wednesday, August 18, 2021 at 4:06:15 PM UTC-3, Buck Laramee wrote:
> mitchr...@gmail.com wrote:
>
> > there light absorbs and radiates 360...
> you don't. What you see is scattering and evt reflection. You don't see
> the laser beam.

And you see nothing if its an infrared laser (1300 nm or 1550 nm). Try one.
They are cheap and widely available.

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