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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 witrichi guys,
just today Bayantel (our country's telco company) made a visit to our three storey house. they were interested in installing a 9 meter high cellsite (for wireless landline and internet services) on our roofdeck. w
they have a contract ready and they would pay us $300 a month for the "rent" and would pay the electricity bill. sounds good enough, a concern though is radiation. how safe is this going to be?
the contract states that we must agree to a 10-year plan. they will cover all costs regarding it's maintenance and building.
When we moved into our house there is a doorbell switch outside of the house, but no chimes/bells in the house anywhere. I don't know if the previous owner removed the chimes and all traces of it, but they are nowhere to be find - and no wires to be found as "evidence".
People constantly press our defunct doorbell that doesn't work, and therefore do not get an answer at the door.
Cost: $1580.69
Is this a good labtop worth to buy?
Intel® Centrino® 2 processor technology with interrelated Intel® Core™2 Duo processor P8400, Intel® Mobile PM45 Express chipset, Intel® Wireless Wi-Fi Link network connection (802.11a/b/g/n), extended battery life capability
4GB DDR3 memory for multitasking power, 1066MHz frontside bus, 3MB L2 cache and 2.26GHz pocessor speed
Technorati Tags: cd rw drive data fax modem dvd r dl media gts graphics high speed data intel centrino video mail I plan on going to college online to do photography, and i was wondering if this dell inspiron 1525 will work for me, does it meet the requird?
Product Features:
Intel® Core™2 Duo mobile processor T5750 with 2MB L2 cache and 2.0GHz processor speed
3GB DDR2 memory for multitasking power, expandable to 4GB
Multiformat DVD±RW/CD-RW drive with double-layer support records up to 8.5GB of data or 4 hours of video using compatible media
I want to buy a new laptop. I would be using it mainly for web surfing, emails and playing low graphics games like puzzles, scrabble etc. I might put photos and a bit of music from the web on it, so nothing hi tech or too complicated. I want somethingcoloured, and fairly light so I can transport it easily or play it on my lap. I have seen a laptop advertised at a good price, its a Sony VAIO in red, here is the specs:
I now have wireless internet back after 3 days of no electricity in my area due to a storm. However, even tho I can connect, my network connection has no assigned name anymore.. it is just the brand of router that I have.. and it is unsecured - how do I make it have the old name again and how do I lock it up/
thanks...... Witricity: go witric!
