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The new cloak, which is just 10 micrometres in diameter, guides rays of light around an object inside and releases them on the other side. The light waves appear to have moved in a straight line, so the cloak – and any object inside –appear invisible.
Originally posted by Zanzibar
But if that report is correct, it can only bend one spectrum of light, not all of them. I'd imagine it's going to take a long time for true invisibility.
Originally posted by DYepes
If the British project could be applied to a full size person, would it not then, theoretically, be able to deflect the Rays from a Directed energy Weapon?
Does this gold one have that ability?
Three-dimensional invisibility cloaks would have to control light waves both magnetically and electronically to steer them around the hidden object. But two-dimensional surface plasmons are easier to direct, explains Pendry. "You can operate on either the electric or magnetic channel alone," he says.
Smolyaninov's cloak is unlikely to be developed into a version that works in three dimensions. But Leonhardt says it could be useful in the near future. "It could be used on computer chips," he says. "You could use surface plasmons to communicate between different areas of a microchip."
Pendry agrees, saying they might replace fibre optics as a way to carry signals: "Light on a chip might seem more prosaic than an invisibility cloak, but in the end it might be more practically important."