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Science & Technology

Scientists beam light around corners

By T.K. Randall
August 15, 2011 · Comment icon 12 comments

Image Credit: Novosibirsk University
A team of scientists have successfully bent light beams around objects on a two dimensional surface.
Its the first ever demonstration of what is known as "airy beams", with light being bent around an object and then course-correcting itself to continue in a straight line on the other side. The technology could open the door to faster and cheaper light-based computer chips.
The international team, including three members from the Research School of Physics and Engineering at ANU, have successfully demonstrated that a tiny beam of light on a flat surface can be bent around an obstacle, and course-correct itself on the other side of that obstacle.


Source: PhysOrg.com | Comments (12)




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Recent comments on this story
Comment icon #3 Posted by Timonthy 13 years ago
Mmm and this is a little different from refraction
Comment icon #4 Posted by FilterFish 13 years ago
oh I don't know! doesn't light bend naturally around objects anyway? Nope, not without huge gravitational assistance from nearby galaxies it doesn't.
Comment icon #5 Posted by DigitalDreamer 13 years ago
Refraction is another ball park
Comment icon #6 Posted by Halloween78 13 years ago
This topic is over my head
Comment icon #7 Posted by JackoftheFools 13 years ago
the cloaking device is close at hand
Comment icon #8 Posted by Since804 13 years ago
they already have cloaking... military tech is always years in advance of what's shown to the public. http://www.youtube.com/watch?v=tT-jgBk5IJg skip to 3:30
Comment icon #9 Posted by AlienDan 13 years ago
they already have cloaking... military tech is always years in advance of what's shown to the public. http://www.youtube.com/watch?v=tT-jgBk5IJg skip to 3:30 That isn't cloaking, just that the camera is blending all moving objects/has a low framerate and the guys uniform is similar color to the background of the parts where he looks cloaked. Just look at the guys in the background, and the guys that run from left to right in another part. They have a similar distorting look with movement, but they're uniforms are darker.
Comment icon #10 Posted by Since804 13 years ago
That isn't cloaking, just that the camera is blending all moving objects/has a low framerate and the guys uniform is similar color to the background of the parts where he looks cloaked. Just look at the guys in the background, and the guys that run from left to right in another part. They have a similar distorting look with movement, but they're uniforms are darker. Are you thinking objectively or just repeating what others said in the youtube comments? If that were the case why is he the ONLY soldier that appears that way(not to mention he comes from a totally random direction all alone)? If ... [More]
Comment icon #11 Posted by Taut 13 years ago
I notice they didn't say how they are creating the wave. These guys will be rich soon.
Comment icon #12 Posted by Spid3rCyd3 13 years ago
Getting a little tired of waiting on that lightsaber, lets get with the program here scientists.


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