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Witricity is based upon coupled resonant objects to transfer energy between objects without wires. The system consists of a Witricity transmitter, and devices which act as receivers.
Like radio receivers, the devices must be in range of the transmitter. Unlike the conduction-based systems built by Nikola Tesla in the late 19th century, Witricity uses resonant magnetic fields to reduce wastage of power. Currently the project is looking for power transmissions in the range of 100 watts.
As they put it: "Using self-resonant coils in a strongly coupled regime, we experimentally demonstrate efficient non-radiative power transfer over distances of up to eight times the radius of the coils. We demonstrate the ability to transfer 60W with approximately 40% efficiency over distances in excess of two meters. We present a quantitative model describing the power transfer which matches the experimental results to within 5%. We discuss practical applicability and suggest directions for further studies."
Technorati Tags: copper coils distances efficiency nikola tesla power source receivers wireless electricity witricity witricWhen I leave my mouse alone for a while, the mouse pointer starts slowly moving in any random direction, as if some invisible force is pushing it around. However, there is no one at the computer. Is this a problem in my mouse, or a problem with my mouse receiver (because it is wireless) translating the mouse's movements on the screen? It may not seem like much, but when I put my computer on standby, it always wakes up, thereby wasting unnecessary energy. Answers, anyone?
I changed my batteries a few days ago... Witricity: witric power.
Specifically in terms of diy applications, how does the copper wired guage change current and voltage inputs and outputs; And how do you figure out the distances and frequencies needed to transmit wireless energy from the first coil to the second coil. Witricity: a witric one!
I have never had a good job but I lost my fair job my home my girl. I lived in a crap roach hole apt in a bad part of town but I couldnt even afford that on $10 an hour so I left in the middle of the night and left all my things expect clothes important papers and my computer. now I live in a barn someone is renting me. thats right a barn. I get my electricity from an extension cord running from the renters home. I get internt for free wireless from the house. I have been having asthma attacks for the past week and cant go to the doctor because i dont have health insurance.
Technorati Tags: 7 months asthma attacks extension cord nightshade roach hole true one work tomorrow just wondering how energy(electricity), could be transfered wirelessly. the only idea ive come up with is that you could use the photoelectric effect with either efficient lasers or an extremely pinpointed beam of light. the light would hit whatever material creates the strongest current in the circuit possible and you could varry the intensity and wavelength to increase current in the circuit. like for high current you could use intense hard x-rays or gamma rays. can anyone give me and answers as to whether this has been done or whether it could work?
Technorati Tags: ap physics beam of light classroom experiment gamma rays photoelectric effect physics exam x rays So basically i stuck my power supply to my Ipod Touch through the usb port on the inside of the Ipod Touch and basically a 200 Wolt shock entered the Powe supply and burned all the circuits... As soon as i opened the Powe Supply i found out that the Shock actually burned out all the red wires and the only ones which were intact where the grey one's which were not damaged at all...
I have a wired rock band guitar controller (on 360), so the problem doesn't have to do with the wireless/battery issues. When i tilt the controller to use energy, nothing happens. It seems to randomly go off, and goes off when i hit the "back" button. Is this a faulty controller or am i doing something wrong? I'm use to playing guitar hero on other consoles...
well i just want it to work right, you know? its under warranty. the tutorial says you can tilt the guitar, but nothing happens. Witricity: explain witric..
Technorati Tags: consoles guitar controller guitar hero playing guitar rock band warranty wireless battery 
