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Optic Wire
is a fiber optic internet speed affected by the wiring of your house?
Also can anyone confirm if they connect the fiber optic wire directly to the modem and does switching to a new service in Chicago grant you free / reduced fee re wiring of your house? Also when is it planned to finally have fiber optics up and running in Chicago?
You get a router that connects to the fiber (not a modem) that has internet connections via 100 MHz ethernet (wire) or via WiFi (radio).
If your question "wiring" means AC power wires, the answer is NO. If you mean ethernet wires, and that is how you plan to connect to the router, then YES, the ethernet wiring must meet the CAT5 standards.
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AMERICAN BRAND M16SH FIBER OPTIC WIRES |  |
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Optic $29.99 Denise Duplock Optic - Giclee Print |
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Spy Optic - Murena (Burgundy/Grey Lens) - Eyewear $94.95 Zappos.com is proud to offer the Spy Optic - Murena (Burgundy/Grey Lens) - Eyewear: Grounded in the big style and big hair of the '80s, the Murena from Spy Optic is a must-have for today's scene. ; Handcrafted from luxurious acetate. ; Durable three-barrel metal hinges. ; Acetate temples with wire-core center. ; Custom metal details on side temples. ; Crystal clear six-base CR39 lenses. ; Offers 100% UV protection from the sun's harmful rays. ; Dimensions: Frame Width: 140mm Lens: 42mm high x 55mm wide Bridge: 15mm Temple Length: 134mm |
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Spy Optic - Vaughn (Jungle Fade) - Eyewear $149.95 Zappos.com is proud to offer the Spy Optic - Vaughn (Jungle Fade) - Eyewear: Some dudes need a high-end watch or noxious perfume to dazzle the ladies. But you? You've got the Vaughn from Spy Optic. Whether you're at a swank martini bar or dirty dive bar, you'll have the goods to make the magic happen. ; The frames are made of handmade zyl acetate for a sleek, one-of-a-kind look. ; Sculpted arms are accented by the metal Spy logo inlay. ; Wire-core temples for added durability. ; Durable spring hinges for reliable open-close action. ; Built-in nose pads for added comfort. ; Protective carrying case included. ; Temple Length: 134 mm ; Frame Width: 135 mm ; Lens Height: 32 mm ; Weight: 0.96 oz ; Lens Width: 52 mm ; Bridge: 17 mm |
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Spy Optic - Vaughn (Coffee Horn) - Eyewear $149.95 Zappos.com is proud to offer the Spy Optic - Vaughn (Coffee Horn) - Eyewear: Some dudes need a high-end watch or noxious perfume to dazzle the ladies. But you? You've got the Vaughn from Spy Optic. Whether you're at a swank martini bar or dirty dive bar, you'll have the goods to make the magic happen. ; The frames are made of handmade zyl acetate for a sleek, one-of-a-kind look. ; Sculpted arms are accented by the metal Spy logo inlay. ; Wire-core temples for added durability. ; Durable spring hinges for reliable open-close action. ; Built-in nose pads for added comfort. ; Protective carrying case included. ; Temple Length: 134 mm ; Frame Width: 135 mm ; Lens Height: 32 mm ; Weight: 0.96 oz ; Lens Width: 52 mm ; Bridge: 17 mm |
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6 strand fiber optic cable - indoor/outdoor tight buffer
do electrons moving through a solid, ie copper wire travel at the speed of light?
its been many years since I took a physics class. also (stupid question) is the light moving through a fiber optic cable traveling as fast as light through air or a vacum?
whats a good source to study the math for these questions?
Its easy, but wrong to think of electrons as flowing like water in a pipe through a conductor. When there is no external 'electromotive force' (voltage) applied, all the electrons jump around randomly between atoms. The way electrons are, it is difficult to say 'how fast' they are travelling when they do this, due to quantum mechanical reasons (they dont so much as 'fly' from atom to atom, but sort of disapear from one place and appear in the other!). When you apply a voltage to create a current, very little is different. If you were watching the electrons when you applied a voltage, you'd not even notice anything different. What does happen though is that the 'average' path that the electrons take is ever so slightly altered to be in the direction of the voltage. like this http://www.physics.sjsu.edu/becker/physics51/images/26_23_Random_electron_motion_in_metal.JPG l You can measure the average 'drift' velocity, which is like the average 'flow' of electrons, and it usually is about a few mm per minute (or second, i cant quite remember, but its quite slow). Of course in AC current, the net 'flow' of electrons is 0! What does travel at the speed of light though is the 'electromagnetic wave' that is transmitted down the wire(s). It is this that carries the power and information. Light (and indeed all electromagnetic waves) travel at a speed that depends on the electrical and magnetic properties of the material in question. It is slightly slower in air than in a vacuum, and may be faster or slower for other materials (like optical fibres). But for nearly all purposes, its usually quite close to 'c' which is the speed of light in a vacuum. (But for something like a pair of copper wires, it might be significantly slower, like 60% the speed of light. It all depends on the magnetic permeability and the electric permitivity of the medium, which basically describe how well the substance is able to be magnetised, and electrically 'polarized' respectively)
The mathematics required depends on how 'deep' you want to go. Initially basic algebra and analysis are all that is needed. If you want to go further, though, you'll need to learn about 'complex' numbers (useful for describing waves and other oscilating things), and if you want to learn about classical electromagnetism and maxwells equations (well worth the effort, they are immesley cool), you will need to learn some vector analysis. If you already know this type of maths a little, heres some great meterial to read, highly recomended: http://www.scribd.com/doc/18086908/Introductory-Electromagnetics-Z-Popovic-B-Popovic
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