30 JAN 2015 by ideonexus
We Don't Know if We See the Same Colors
the colours that we
finally think we see are labels used for convenience by the brain. I used
to be disappointed when I saw 'false colour' images, say, satellite
photographs of earth, or computer-constructed images of deep space.
The caption tells us that the colours are arbitrary codes, say, for different
types of vegetation, in a satellite picture of Africa. I used to think false
colour images were a kind of cheat. I wanted to know what the scene
'really' looked like. I now realize that eve...Folksonomies: perception color
Folksonomies: perception color
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notes
notes04 AUG 2012 by ideonexus
Intellectuals Must Craft Their Minds Through Study
君子曰：學不可以已。青、取之於藍，而青於藍；冰、水為之，而寒於水。木直中繩，輮以為輪，其曲中規，雖有槁暴，不復挺者，輮使之然也。故木受繩則直，金就礪則利，君子博學而日參省乎己，則知明而行無過矣。
1 [Translated] The noble person says: Learning must never cease. Blue comes from the indigo plant, yet it is bluer than indigo. Ice is made from water, yet it is colder than water. Wood as straight as a plumb line may be bent into a wheel that is as round as if it were drawn with a compass, and, even after the wood has dried, it will not straighten out again because this is the way it has been bent. Thus wood marked by the plumb line will become straight, and metal that is put to the whetstone will become sharp. The noble person who studies widely and examines himself each day will become clear in his knowing and faultless in his conduct.
28 APR 2012 by ideonexus
Death by Phosphorous Poisoning
The autopsy of a person who had died from phosphorus poisoning would reveal inflammation a haemorrhage in the stomach and bowel, the liver would show fatty changes and both it, and the kidneys would be enlarged, greasy and of a yellow colour. But the most convincing proof of death due to phosphorus exposure would be to turn off all the lights in the mortuary and see its tell-tale glow... 1 notes
notesHas many symptoms, but the most disturbing is that the victim glows in the dark.
