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<DIV class=OutlookMessageHeader dir=ltr align=left><FONT
face=Tahoma><B>From:</B> KHeck73@aol.com
[mailto:KHeck73@aol.com]<BR></FONT>Wow. Not to be the doting mother here, but
shouldn't you be wearing protective eyeware? I think special glasses are
made to absorb the specific frequency of light in
use. <SPAN class=184555614-29062004> </SPAN></DIV>
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class=184555614-29062004></SPAN> </DIV></BLOCKQUOTE>
<DIV class=OutlookMessageHeader dir=ltr align=left><SPAN
class=184555614-29062004>I used some of those on a project several years
ago</SPAN></DIV>
<DIV class=OutlookMessageHeader dir=ltr align=left><SPAN
class=184555614-29062004>(an optics experiment that flew on the Mir space
station).</SPAN></DIV>
<DIV class=OutlookMessageHeader dir=ltr align=left><SPAN
class=184555614-29062004>They work well -- too well, in fact. They absorb
so much of</SPAN></DIV>
<DIV class=OutlookMessageHeader dir=ltr align=left><SPAN
class=184555614-29062004>the wavelength that you can't see the beam at
all.</SPAN></DIV>
<DIV class=OutlookMessageHeader dir=ltr align=left><SPAN
class=184555614-29062004>We kept having to peek out of one corner to see
if</SPAN></DIV>
<DIV class=OutlookMessageHeader dir=ltr align=left><SPAN
class=184555614-29062004>the laser was on or not. (A very bad thing,
because</SPAN></DIV>
<DIV class=OutlookMessageHeader dir=ltr align=left><SPAN
class=184555614-29062004>in addition to the visible green laser, </SPAN><SPAN
class=184555614-29062004>the unit also included </SPAN></DIV>
<DIV class=OutlookMessageHeader dir=ltr align=left><SPAN
class=184555614-29062004>an infrared laser. Somehow </SPAN><SPAN
class=184555614-29062004>we got it done with no injuries.)</SPAN></DIV>
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class=184555614-29062004></SPAN> </DIV>
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