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Wednesday, June 18, 2003

Beer break!

Stouts from Ireland are creamy and rich. I think they named them 'stout', because they make you that way - I don't even want to know the carb-count! But these two beers sure are good, they both come with the high tech gizmo that injects carbon dioxide into the brew upon opening. This gives the glass a read head of foam. The experience is very much like pouring a fresh one right out of the tap.

So how do these two differ? The Guiness has a lot more exposure - you can get it anywhere, and it is the smoother and sweeter of the two. Beamish is every bit as good, and then some. It posesses a texture that gives the beer more character, and lacks a bit of the sweetness that has "Made for America" stamped on it. I feel closer to the Blarney, if you know what I mean.

Ok, last call, then back to work!
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Up
and
down.


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The same blog (as below), Billmon's Wiskey Bar, points to an Observer story by Peter Beaumont, et. al. that states:
An official British investigation into two trailers found in northern Iraq has concluded they are not mobile germ warfare labs ...
Is this true?
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Leslie Neilsen's Lt. Drebbin is, uh, ... funny, right. I think so. His latest adventure, The Naked WMD is especially hilarious, since it's 100% true.

Well, 98 anyway.
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Color ...

Photons of light activate color receptor cells - the cones of your eyes. There are three types of cone, S, M and L. S cones are activated by photons with wavelengths between 400 and 500 nm, M cones respond to photons between 450 and 600 nm and L cones are sensitive between 500 and 700 nm (the graph above shows the relative spectral response of each receptor type.)

The three signals from S, M and L cones are combined in your occipital lobes producing the colors you see. (The pictured lobe belongs to and was imaged with funtional MRI by Alex Wade of Stanford.)

The choice of red, green and blue as primary colors appears to be driven by the physiology of light detection, that is, red light will mostly activate L cells, green light activates both M and L cells, and blue light activates mostly S cells. Colors are blended when activation of two or more types of color receptor is activated.

By selectiing wavelengths targeted to switch on only one of the cone types, colors can be mixed the largest posible gamut, or range within the colorspace of your eye. Previously the colors emitted by an lcd display were presented. Here is the spectrum of a CRT with phosphors well matched to normal human color vision:

(continued...)
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© Copyright 2004 by Chris Heilman.