Re: [Aroid-l] Another Thing About Bioluminescence

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----- Original Message -----

From: Hermine

To: Discussion of aroids

Sent: Friday, September 29, 2006 5:24 AM

Subject: Re: [Aroid-l] Another Thing About Bioluminescence

At 05:10 AM 9/28/2006, you wrote:

One other thing that should be understood is that even the brightest bioluminescent organism is pretty dim compared with the sun or a 25 watt bulb. Fireflies look bright against a dark summer sky. But in the daylight you can't even tell if they're glowing. The same applies to those cool deep-sea fish and, I suspect, luminous plants. Luminous plants would lose some crowd appeal if you had to view them in pitch black and wait for your eyes to accustom themselves before you could even see their faint glow. Tell me if I'm wrong about this.

Ted.

ted, there is no right or wrong about this. in darkrooms for photography, folks navigate by means of very dim photoluminescent dabs of paper tape.  these could be come obsolete! 
it is a matter of subtlety. if you have ever seen a pitch black stage, come to life very slowly as the stage lights just BARELY come on, you would know what I mean. also folks vary in their ability to see in the dim light. I grew up reading under blankets by penlight. I wear sunglasses like welders goggles even indoors in Southern California. very light sensitive eyes.

hermine

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