‘Electromagnetic Wormhole’ Possible with Invisibility Technology

The team of mathematicians that first created the mathematics behind the “invisibility cloak” announced by physicists last October has now shown that the same technology could be used to generate an “electromagnetic wormhole.”

In the study, which is to appear in the Oct. 19 issue of Physical Review Letters, Allan Greenleaf, professor of mathematics at the University of Rochester, and his coauthors lay out a variation on the theme of cloaking. Their results open the possibility of building a sort of invisible tunnel between two points in space.

[…]

Current technology can create objects invisible only to microwave radiation, but the mathematical theory allows for the wormhole effect for electromagnetic waves of all frequencies. With this in mind, Greenleaf and his coauthors propose several possible applications. Endoscopic surgeries where the surgeon is guided by MRI imaging are problematical because the intense magnetic fields generated by the MRI scanner affect the surgeon’s tools, and the tools can distort the MRI images. Greenleaf says, however, that passing the tools through an EM wormhole could effectively hide them from the fields, allowing only their tips to be “visible” at work.

Full Story: University of Rochester News.

(Thanks James!)

2 Comments

  1. I didn’t send that one in, but okay 🙂

  2. Different James 😉 I knew that would be confusing…

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