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By Sebastian Anthony on March 2, 2012 at 7:07 am
After four years of incredulity and not-so-gentle mocking, Bo Thide of the Swedish Institute of Space Physics and a team in Italy have finally proven that it’s possible to simultaneously transmit multiple radio channels over exactly the same wireless frequency. In theory, according to Thide, we could potentially transmit an “infinite number” of TV, radio, WiFi, and cellular channels at the same time over the same frequency, blasting apart our highly congested wireless spectrum.
Thide’s approach is rather simple. Basically, electromagnetic waves can have both spin angular and orbital angular momentum (OAM). If you picture the Earth-Sun system, spin momentum is the Earth rotating on its axis (producing the day-night cycle), and orbital momentum is the Earth rotating around the sun (producing the seasons). In standard wireless communications — radio, TV, WiFi — we only modulate the spin angular momentum of waves. For years, Thide had theorized that orbital angular momentum could also be added to wireless signals, effectively creating a spiral signal that looks like fusilli pasta; or, in the words of Thide, a “radio vortex.”
Now, in an experiment in Venice, Thide and his Italian colleagues have transmitted two signals at the same time, on the same frequency, over a distance of 442 meters (1450ft). Pictured on the right is the antenna that the team used. No, your eyes don’t deceive you: To create these radio vortices, all you have to do is make a cut in a standard parabolic reflector and twist it slightly. If you imagine a corkscrew of radio signals being continuously transmitted from the outside edge of the antenna, that’s effectively what’s occurring. On the receiving end, there are two “normal” TV antennae (Yagi-Uda) set apart by the same angle as the break in the transmitter. These antennae “decode” the vortex, and voila: Two radio signals transmitted over the same frequency.
. . . Read more at New Journal of Physics
Wireless Transmission of Electrical Energy
Integrity Research Institute, Thomas Valone www.integrityresearchinstitute.org...
Nikola Tesla's discovery of pulsed propagation of energy does not resemble the standard transverse electromagnetic waves so familiar to electrical engineers everywhere. Many engineers and physicists have dismissed Tesla's wireless energy transmission as unscientific without examining the unusual characteristics and benefits of longitudinal waves. . .
The new book, Harnessing the Wheelwork of Nature: Tesla's Science of Energy, contains several papers from prominent physicists detailing the unusual method of pulsing a broadband Tesla coil at a repetition rate of 7.5 Hz to resonate with the Earth's Schumann cavity. Dr. James Corum explains, in one of his papers in the book (p. 198) entitled, "Tesla & the Magnifying Transmitter: A Popular Study for Engineers," that a mechanical analog of the lumped circuit Tesla coil is an easier model for engineers to understand. From mechanical engineering, the "magnifying factor" can be successfully applied to such a circuit. "The circuit is limited only by the circuit resistance. At resonance, the current through the circuit rises until the voltage across the resistance is equal to the source voltage. This circuit was a source of deep frustration to Edison because voltmeter readings taken around the loop did not obey Kirchoff's laws!" As a result, Edison claimed such a circuit was only good for electrocution chairs.
"All that is necessary," says Corum, is that his transmitter power and carrier frequency be capable of round-the-world propagation." In fact, Tesla (in Dec., 1904 L.A. Times) stated, "With my transmitter I actually sent electrical vibrations around the world and received them again, and I then went on to develop my machinery."
The power loss experienced by this pulsed, electrostatic discharge mode of propagation was less than 5% over 25,000 miles. Dr. Van Voorhies says (p. 151), "...path losses are 0.25 dB/Mm at 10 Hz", which often is difficult for engineers to believe, who are used to transverse waves, a resistive medium, and line-of-sight propagation modes. The capacitive dome of the Wardenclyffe Tower is a key to the understanding of the longitudinal waves. Dr. Rauscher quotes Tesla (p. 236), "Later he compared it to a Van de Graaff generator. He also explained the purpose of Wardenclyffe...'one does not need to be an expert to understand that a device of this kind is not a producer of electricity like a dynamo, but merely a receiver or collector with amplifying qualities.'"
Become educated about Tesla's wireless energy transmission discovery at users.erols.com... .
Originally posted by Mary Rose
Another appeal to electrical engineers:
Originally posted by Arbitrageur
Originally posted by Mary Rose
Another appeal to electrical engineers:
Appeal to do what? Your quote says it doesn't produce any electricity. It's just a collector. Electrical engineers have already built collectors, like the crystal radios that were popular a century ago
Oh so you want to discuss what Tesla actually said, instead of some people's misinterpretation of it? That's actually a better topic. I think Tesla's patent 645576 addresses that question well on page 4 starting around line 99:
Originally posted by buddhasystem
What would prevent the Empire State Building from being zapped, in case the transmitter worked right?
Thus if there be high mountains in the vicinity the terminals should be at a greater height, and generally they always should be, if practicible, at altitudes much greater than the highest objects near them in order to avoid as much as possible the loss by leakage.
...Terminal D, preferably of large surface, formed or maintained by such means as a balloon at an elevation suitable for the purposes of transmission...
Look at the three wireless transmission ideas pursued by Tesla mentioned on the pbs site. I think you've identified the problem with the first two:
Originally posted by buddhasystem
What would then prevent a mountain range from absorbing most of the energy being radiated elsewhere? Because you see, it was alleged that the losses were quite low.
That second one is the idea mentioned in Mary Rose's quote and it does seem that leakage would likely be a problem as you suggest.
There are some reports that he did transmit a signal several miles powerful enough to illuminate vacuum tubes planted in the ground. But this can be attributed to conductive properties in the ground at Colorado Springs.
Another approach pursued by Tesla was to transmit extra-low-frequency signals through the space between the surface of the earth and the ionosphere. Tesla calculated that the resonant frequency of this area was approximately 8-hertz. It was not until the 1950s that this idea was taken seriously and researchers were surprised to discover that the resonant frequency of this space was indeed in the range of 8-hertz.
Since the highest mountain is less than 9km high, leakage to mountains may not be a problem with this method where transmission occurs above 80km. But even if it works, it's just a method of power transmission, and not any source of free energy as Mary's source would seem to suggest.
A third approach for wireless power transmission was to transmit electrical power to the area 80-kilometers above the earth known as the ionosphere. Tesla speculated that his region of the atmosphere would be highly conductive and again his suspicions were correct. What he needed was the technical means to send electrical power to such a high altitude.
I didn't say the losses would be small, just that the third idea might have lower losses than the first two, but I agree the losses could still be substantial even in the third idea.
Originally posted by buddhasystem
And it's not clear to me at all that the losses would be small. Gas in neon tubes glows for a reason, you know. And if it's not a steady state, then a wave or a shock wave generated would also dissipate energy.
Originally posted by Aloysius the Gaul
I tacked down Russell Blake to an Australian firm, and have swapped a couple of emails with him. . . .
www.youtube.com...
I found a webpage where that video is offered, with the same comments that accompany the youtube posting so it may be the source:
Originally posted by Mary Rose
Rodin talks about Russell Blake in one of the YouTube videos I recently posted so I'm watching that video Aloysius posted.
Here is a screenshot:
Evidently Blake has a theory called "Spring Theory."
I already knew Rodin's work was 'utter nonsense’ but it's interesting to see that one of Rodin's so-called "endorsers" says that he did not endorse it in any way. I'm not sure that's totally accurate. He may have actually written the letter of endorsement (he hasn't denied that has he?) and later figured out Rodin's work is nonsense and now won't admit it? At least that's my guess. Related facts would be welcome.
When I first started looking into Russ's work I did what most people do these days and searched the internet to see what was out there about him and QST. As Russ has been following the peer reviewed publication path to gain serious scientific evaluation of QST I didn’t get too many hits.
However, I was somewhat concerned when some of the web search results associated Russ with the work of a Mr Rodin. Some of this stuff made me feel uncomfortable because it was, to be kind, a bit unscientific. I raised this concern with Russ and he said that he did some mathematics once for this bloke. However, to quote Russ on what Mr Rodin is promoting he said that it was, 'utter nonsense’ and that he did not endorse it in any way.
Russ says that there was nothing wrong with the maths he contributed to the paper they worked on together. In fact it was the basis for an International Patent in 72 countries on three games based on that maths. So it would be unfounded even, dare I say, unscientific for anybody assessing QST to downgrade its relevance because of this past association.
He does seem to have difficulty with quantum mechanics and apparently he thinks everything is classical.
Originally posted by -PLB-
I wonder what inspired him.
Originally posted by Mary Rose
These are the latest videos posted on Rodin's website:
Originally posted by Mary Rose
To replace the removed TED Charlotte Randy Powell 2010 video
Originally posted by Mary Rose
To replace the removed TED Charlotte Randy Powell 2010 video:
Originally posted by Arbitrageur
Retro Encabulator
The similarities between that Retro Encabulator video and Randy Powell's video are amazing.
Maybe Marko Rodin and Randy Powell should hire a guy like that because their techno-babble does fail at so many levels, including egregious stupidities such as "dark matter is the number 9".
my job was to read all scripts and stories purchased by the series' writing staff and then point out things that were either scientifically impossible, or inconsistent with the scientifically-impossible things already established in Star Trek. The job also included suggesting plausible "technobabble" for the impossible things the writers wanted to leave in. ...
I did put my fingerprints on the show in a number of ways that did reach the screen... mostly by preventing egregious stupidities...
Good find. I see the last picture shows a modified version of a common household vortex generating device...so maybe we can all make our own at home?
Originally posted by buddhasystem
This model is based on vortex principles, according to the description: