[TheForge] Re: Subject: Didymium? I say "no way."

[James Binnion]

"Infrared radiation is of longer wavelength than the visible light  
frequencies, and is perceptible as heat. The main hazard to the eyes  
is that prolonged exposure (over a matter of years) causes a gradual  
but irreversible opacity of the lens."


On Feb 10, 2006, at 1:54 PM, TristerK at aol.com wrote:

> Hmmm, food for thought. I want to be clear that I am not argueing  
> with you,
> I'm just looking for information, don't have an opinion one way or  
> the other.
> One more question -
>
> What does IR damage look like? I think it's obvious that we are not  
> talking
> about an actual burn from thermal energy, so what are we talking  
> about in terms
> of damage?
>

James Binnion
jbin at well.com