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Originally posted by Interestinggg
"Electricity was sent wirelessly to a lamp on stage"
Thats nothing more than a parlor trick.
Its easy to energize something that close.
US researchers have outlined a relatively simple system that could deliver power to devices such as laptop computers or MP3 players without wires.
The concept exploits century-old physics and could work over distances of many metres, the researchers said
The team from MIT is not the first group to suggest wireless energy transfer.
Nineteenth-century physicist and engineer Nikola Tesla experimented with long-range wireless energy transfer, but his most ambitious attempt - the 29m high aerial known as Wardenclyffe Tower, in New York - failed when he ran out of money.
Physics promises wireless power
He lit vacuum tubes wirelessly at both of the New York locations, providing evidence for the potential of wireless power transmission.
With high frequencies, Tesla developed some of the first neon and fluorescent illumination. He also took the first x-ray photographs. But these discoveries paled when compared to his discovery of November 1890, when he illuminated a vacuum tube wirelessly—having transmitted energy through the air.
The development of wireless energy transfer began in earnest with the lectures and patents of the electrical engineer Nikola Tesla (and is described in his 1916 deposition on the history of wireless and radio technology). In experiments around 1899, Tesla was able to light gas discharge lamps (similar to neon signs) from over 25 miles away without using wires. Tesla used a high frequency current (Prodigal Genius, O'Neill; pg 193). During his experiments in Colorado, he lit ordinary incandescent lamps at full candle-power by currents induced in a local loop consisting of a single wire forming a square of fifty feet each side, which includes the lamps, and which was at a distance of one-hundred feet from the primary circuit energized by the oscillator (Century Magazine, June 1900).
o do it hundreds of miles away is the hard part.
People always get off on Tesla and the mystery surrounding him.
But in reality all he figured out to do was the skin effect and our modern microwave communications such as cell phones.
And the big bankers stole it all and made massive money from it.
To try that same technology on a higher wattage level in order to distribute power creates many risks.
Unless of course we re thought the whole power thing from the start and realize units don't need that much power to function.
Think about the 12v's in a pc why does it need all that power to get it to there, 100kv, just to convert it to 12v and some small amount 650-1000watts of power dissipation.
Its about profits thats what it is about.
Imagine a light bulb using 1 watt.
Imagine a large fan motor using 5 watts.
And they charge you by the kilowatt?