Tuesday, October 24, 2006

Infrared

Infrared (IR) emission is electromagnetic emission of a wavelength longer than that of noticeable light, but shorter than that of radio waves. The name means "below red" (from the Latin infra, "below"), red being the color of detectable light of longest wavelength. Infrared radiation spans three instructions of magnitude and has wavelengths between about 750 nm and 1 mm.
These divisions are suitable by the different human response to this radiation: near infrared is the area closest in wavelength to the radiation detectable by the human eye, mid and far infrared are gradually further from the visible regime. Other definitions follow different physical mechanisms (emission peaks, vs. bands, water absorption) and the newest follow technical reasons (The common silicon detectors are sensitive to about 1,050 nm, while Inga As sensitivity starts around 950 nm and ends between 1,700 and 2,600 nm, depending on the specific configuration). Unfortunately the international standards for these specifications are not currently obtainable.
The boundary between visible and infrared light is not precisely defined. The human eye is markedly less responsive to light above 700 nm wavelength, so longer frequencies make irrelevant contributions to scenes illuminated by common light sources. But particularly strong light (e.g., from lasers, or from bright daylight with the visible light removed by colored gels [1]) can be detected up to approximately 780 nm, and will be apparent as red light. The onset of infrared is defined (according to different standards) at different values typically between 700 nm and 780 nm.

Wednesday, October 18, 2006

Animal Rights

It is possible to perform an immoral act against non-human animals. In order to perform an immoral act against a non-human animal, one must define the word "morality". According to the definition it means conformity to the rules of right conduct, on the other hand immorality means wickedness or evil. So in absorption a wicked or an evil act against an animal is an immoral act also. I believe that it may be possible to perform an immoral act against an animal because they are creatures just like us. They also feel pain and emotions just like us humans. When someone breaches our rights, we get hurt which often results in some kind of action. But the animals were helpless, it can't take any action because they are less intelligent then humans. However the humans are the supreme and superior beings on this planet and that we are on the highest evolutionary scale, but still that does not give us the right to perform wrong acts to the animals. Some of the worst or immoral acts that I strongly oppose to are animal experimentation, entertainment involving animals, hunting and finally habitat destruction.
When religious leaders were decided finally lifted these prohibitions, it was too late, vivisection was already entrenched in medical and educational institutions. Now imagine ourselves in animals’ shoes, whose homes are destroyed everyday by the minute. As an evil in nature as animal experimentation sounds, so is the entertainment business involving animals.

Friday, October 13, 2006

Confidence

All Over time peoples feelings about themselves and others will change. They can feel strong and indestructible one minute than something could change the way they feel. A certain event could change ones self confidence. The People will become different when they are exposed to a certain situation. They should also take a 180 degree turnaround and become a totally new person. In The Red Badge of Courage by Stephen Cranes the main character who will change from a coward in the beginning to a stronger courageous character at the end of the novel. The boy’s name is Henry Fleming is a young naive boy. He is not much sure what to expect when he goes to war.
He will have a conversation with the other soldiers in his regiment. They might have think that some of the soldiers will run during a battle. Henry got a strange feeling that he may be the one to run when the time comes. He will decide to bring up the topic during a conversation with another soldier by saying “Think any of the boys will run?” But an another soldier responds “Oh there may be a few of them, but there’s them kind in every regiment, specially when they first goes under fire”. Then Henry is afraid now after hearing what the soldier had to say. So Henry is much confused about war. The regiment accepts Henry and they nuture him so he will be able to fight again. The situation has become critically as something has to happen that will change Henry’s future. He has skilled a lot up to this point. But in the battle field when they turn back and start firing and Henry lost his cool. He cannot go back to his regiment because they will not accept him back into the group.
When Henry first had gone to battle he is relieved when the rebels retreat. Henry showed many signs of pride and courage. People make the war seemed like its a good thing but really its not.