GE WHOLE HOUSE FILTERS : HOUSE FILTERS
Ge Whole House Filters : Mann Filters Review : Decimation Fir Filter.
Ge Whole House Filters
- (filter) an electrical device that alters the frequency spectrum of signals passing through it
- A device for suppressing electrical or sound waves of frequencies not required
- A porous device for removing impurities or solid particles from a liquid or gas passed through it
- A screen, plate, or layer of a substance that absorbs light or other radiation or selectively absorbs some of its components
- (filter) device that removes something from whatever passes through it
- a dwelling that serves as living quarters for one or more families; "he has a house on Cape Cod"; "she felt she had to get out of the house"
- contain or cover; "This box houses the gears"
- A building for human habitation, esp. one that is lived in by a family or small group of people
- The people living in such a building; a household
- A family or family lineage, esp. a noble or royal one; a dynasty
- firm: the members of a business organization that owns or operates one or more establishments; "he worked for a brokerage house"
- germanium: a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite
- .ge is the country code top-level domain (ccTLD) for Georgia. It was registered in 1992. The administrative contact and the technical contact of a domain name ending with .ge have to be domicilied in Georgia. Registrations are opened directly under .ge, .com.
- The chemical element germanium
- Gaea: (Greek mythology) goddess of the earth and mother of Cronus and the Titans in ancient mythology
Morello 8th hour
Colors of Light and Shadows
The color an object appears to be when a person looks at it is not because the object itself is that color. A person’s eyes perceive objects to be certain colors because of the light that hits the object. If no light is present, the object cannot be seen; therefore, it will appear black. The color that an object appears to be is a result of the interactions between different frequencies of visible light waves with the atoms of the materials the objects are made of. Many objects contain certain atoms that are capable of selectively absorbing or reflecting one or more frequencies of light. The frequencies of light that become reflected to a person’s eyes will contribute to the color the person perceives the object to be. The primary colors of light are red, green, and blue. When added together, they produce white light which is the existence of all colors of the visible light spectrum. The visible spectrum is what human eyes are sensitive to, and it’s a small piece of the electromagnetic spectrum. Each color is made from a certain wavelength and frequency of light. When two primary colors are added together, they produce a secondary color; cyan, yellow or magenta. Red and green will make yellow; green and blue will make cyan; blue and red will make magenta. If an object is perceived as a primary color of light, that means the object’s atoms are capable of absorbing all of the colors of the visible light spectrum except that primary color which it reflects. So if an object looks red, it absorbs green and blue and reflects red. The same thing happens for secondary colors—if an object appears magenta, it absorbs green and reflects the red and blue hitting it (because magenta is made of red and blue light). If an object produces a shadow, the color of light that hits the object will be absent in the shadow. That is why the sunlight (white light) produces black shadows—no light is present in the shadow. Depending on the colors of light hitting the object, and the angle that the lights are hitting it, the colors of the shadow may vary. There can be three different lights shining on an object at three different angles, and the shadow will have more than three different colors.
Description of Photographs:
All of the pictures were taken at the same spot, under the same conditions, at the same time and with the same type of camera. The only difference is the colors of light that were shined upon the object. The pictures were taken inside of my house at noon on Wednesday April 27th. The conditions were at room temperature and all of the lights were off. I had to block the windows from the sunlight as much as possible so the colors from the flashlights would be more visible. I set up a white poster for the background of all of the pictures. I took them in the hall of my house because it was the darkest area with the least amount of sunlight. I used a GE 7.0 megapixel A735 Digital Camera; there was no extra filter or anything used for these pictures and the flash was turned off. A stool was set up about a foot away from the poster and in line with it. The flashlights rested on the stool. The object the lights are shining on is a plastic, white cup. Picture 1 is set up with the blue flashlight shining on the cup. Notice that the cup itself appears blue and the shadow of the cup is black, but the light around the shadow is blue. Picture 2 is set up with a red flashlight on the left and a green flashlight on the right and they are angled to shine on the same spot of the cup. Notice how the cup appears yellow, the colors of the shadows are red, green and black, and how the light around the shadows is yellow. Pictures 3, 4, 5, and 6 are of the same thing, but from different viewpoints. The flashlights are set up with the blue flashlight on the left, the green flashlight in the middle, and the red flashlight on the right all angled to the same point on the cup. Notice how the cup appears white, the shadows are all different colors with the middle one appearing black, and the light around the shadows is white.
Explanation of Photographs:
Before I start explaining, it is very important to understand that each light produced its own shadow for the cup and the part of that light that is not block by the cup is shined on the background. In picture 1 the cup appears blue and gives off a black shadow. The cup is originally white when shined on with white light, so this cup’s atoms are capable of reflecting everything that shines on it. The blue light is reflected back to our eyes and this is why it appears blue. For the shadow, it is black because the cup is not capable of transmitting any light; it just reflects and absorbs. Shadows are made from the light being absent. That brings up the other point as to why the light around the cup is blue. The blue light not hitting the cup diffracts around it and shines on the white background behind it. So it
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