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SUMMARY:Cloaking: science meets science fiction - Uhlmann\, G (Washington)
DTSTART:20110929T160000Z
DTEND:20110929T170000Z
UID:TALK33243@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:We describe recent theoretical and experimental progress on ma
 king objects invisible to detection by electromagnetic waves\, acoustic wa
 ves and quantum waves. We emphasize the method of transformation optics. F
 or the case of electromagnetic waves\, Maxwell's equations have transforma
 tion laws that allow for design of electromagnetic materials that steer li
 ght around a hidden region\, returning it to its original path on the far 
 side. Not only would observers be unaware of the contents of the hidden re
 gion\, they would not even be aware that something was being hidden. The o
 bject\, which would have no shadow\, is said to be cloaked. We recount som
 e of the history of the subject and discuss some of the issues involved. \
 n
LOCATION:Seminar Room 1\, Newton Institute
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