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..first practical realization of such a cloak: in our demonstration, a copper cylinder is 'hidden' inside a cloak constructed according to the previous theoretical prescription.
The cloak is constructed using artificially structured metamaterials, designed for operation over a band of microwave frequencies.The cloak decreases scattering from the hidden object whilst at the same time reducing its shadow, so that the cloak and object combined begin to resemble free space.
Professor John Pendry says a simple demonstration model that could work for radar might be possible within 18 months' time ...
What you're trying to do is guide light around an object, but the art is to bend it such that it leaves the object in precisely the same way that it initially hits it. You have the illusion that there is nothing there ...
Professor Pendry's research has been supported by the US Defense Advanced Research Projects Agency (Darpa).
This technology is incredible,” an unnamed soldier was quoted by the Daily Mail and Sun. “If I hadn’t been present I wouldn’t have believed it. I looked across the fields and just saw grass and trees but in reality I was staring down the barrel of a tank gun.”
““Cloak of invisibility is theoretically possible. The drawback at the moment is the dependence upon cameras and projectors,” the Sun quoted Pendry, who did not confirm an implied connection with the defense project. “The next stage is to make the tank invisible without them which is intricate and complicated, but possible.”
The broadband cloak is a rectangular structure measuring about 50 by 10 centimters, with a height of about 1 centimeter. It's made up of roughly 600 I-shaped copper structures. Making each structure is a simple matter, says Smith. "They're copper patterns on a circuit board, cut up and arranged. It's a well-known, inexpensive technology." The hard part is determining the dimensions of each of these 600 structures and how to arrange them. With the first light cloak, which had only 10 such pieces, "we had to design each element by numerical simulations," Smith says. Applying the same approach to the more complicated cloak would have eaten up months.”
The objective of this experiment was to make the ship undetectable to radar and while that was achieved, there was a totally unexpected and drastic side effect. The ship became invisible to the naked eye and was removed from time and space as we know it! Although this was a remarkable breakthrough in terms of technology, it was a catastrophe to the people involved. Sailors had been transported out of this dimension and returned in a statc of complete mental disorientation and horror. Some were even planted into the bulkhead of the ship itself. Those who survived were discharged as "mentally unfit" or otherwise discredited and the entire affair was covered up. After the war, research continued under the tutelage of Dr. John von Neumann who had directed the technical aspects of the Philadelphia Experiment.
Originally posted by krystalice
Yes there is far more to it as you say, my intention was to make it fairly general and allow members to get an understanding (unless they are already aware) of the actual intentions surrounding the technology in recent months and years.