People rely on the eyes, the eyes see things is by retinal cells receive light signals to the brain imaging formation, no light can not see everything. The human eye can only see two things, or is self-luminous, or other bright objects reflecting light emitted. Light travels faster than the natural stuff difficult to find because they are often fleeting, especially as they chase the light from the rear far behind when they can michael kors factory outlet not catch the reflected light to the eyes burberry tie burberry outlet not see.
By the same distance,burberry outlet, a long time on slow speed. As long as students are made to be a simple division, superluminal velocities of stars observed in humans than is necessary to slow the speed of light. Besides the establishment of the Lorentz transformation based on the assumption that the relativistic equation constant speed of light, moving objects and their location in space and time change, even if observed superluminal phenomena, scientists also believe that the speed of a moving object is actually lower than the speed of light, high at the speed of light is an illusion observations so interesting conclusions.
The dog is black and white full color blindness, visual field slightly wider than a human. In the dog is definitely not your eyes see the coach outlet world as I see color, but a black and white wide-angle screen. Bats rely on reflected signals in the brain of ultrasound imaging, it is if you want to see what you have to constantly call - see the image but it is constantly changing the blinking frequency stroboscopic images. Such as gamma-ray X-ray ultraviolet infrared like the human eye than light, does not find that the burberry outlet burberry outlet existence, but some animals are able to see. There is a saying in the textbooks : Substance is not the will of man, and can be reflected in the sense of objective reality.
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