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Physicists create new 'invisibility cloak'

Posted on Wednesday, 27 March, 2013 | Comment icon 13 comments | News tip by: Still Waters


Image credit: Novosibirsk University

 
Scientists have succeeded in creating an invisibility cloak using a type of material called a metascreen.

Taking us a step closer to the type of cloak seen in the Harry Potter series, the new device is capable of hiding a small object from view in microwave light by using strips of copper tape attached to a flexible polycarbonate film. The ultra-thin strips produce an effect called "mantle cloaking" which effectively cancels out any light waves hitting the shielded object. The technique differs from previous attempts which instead tried to bend light rays around the object.

"When the scattered fields from the cloak and the object interfere, they cancel each other out and the overall effect is transparency and invisibility at all angles of observation," said study co-author Andrea Alu.

"A miniature version of Harry Potter's invisibility cloak now exists, though it works only in microwave light, and not visible light, so far."

  View: Full article

 Source: Live Science


  Discuss: View comments (13)

   


 
Recent comments on this story
Comment icon #4 Posted by taniwha on 27 March, 2013, 13:07
This sort of technology is beginning to wear thin. There wont be much to see at any unveiling thats for sure.
Comment icon #5 Posted by Frank Merton on 27 March, 2013, 14:13
I'd prefer a Firebold broomstick with the footbraces.
Comment icon #6 Posted by Lava_Lady on 27 March, 2013, 15:12
Cool! I wish they included a video, though.
Comment icon #7 Posted by pallidin on 27 March, 2013, 16:38
If they ever succeed in cloaking visible light, God help us if terrorists, bank robbers, rapists, etc, ever get ahold of this.
Comment icon #8 Posted by Lava_Lady on 27 March, 2013, 19:33
If they ever succeed in cloaking visible light, God help us if terrorists, bank robbers, rapists, etc, ever get ahold of this. Yikes! Good point!
Comment icon #9 Posted by FlyingAngel on 27 March, 2013, 19:45
Somehow, I felt that the military is behind and silently support this project
Comment icon #10 Posted by jroman on 27 March, 2013, 22:12
Yeah I love to have it so I can go to Nudist beach!!!
Comment icon #11 Posted by Mikko-kun on 27 March, 2013, 23:05
I think it's going to be most-used for spying and as a nice situational utility for the military, and maybe for some rich fool who gets it through black market. I bet it's available for public through there in 5-10 years tops. Nukes + cloaks anyone? A nice surprise?
Comment icon #12 Posted by mcrguy18 on 28 March, 2013, 9:50
now they just need to make it into a watch and I can become the spy from team fortress 2 IRL
Comment icon #13 Posted by redsquare on 1 April, 2013, 16:51
wow ! truly amazing !


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