http://www.nature.com/nature/journal/v481/n7379/full/nature10695.html#/contrib-auth
Recent research has uncovered a remarkable ability to manipulate and control electromagnetic fields to produce effects such as perfect imaging and spatial cloaking1, 2. To achieve spatial cloaking, the index of refraction is manipulated to flow light from a probe around an object in such a way that a ‘hole’ in space is created, and the object remains hidden3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14. Alternatively, it may be desirable to cloak the occurrence of an event over a finite time period, and the idea of temporal cloaking has been proposed in which the dispersion of the material is manipulated in time, producing a ‘time hole’ in the probe beam to hide the occurrence of the event from the observer15. This approach is based on accelerating the front part of a probe light beam and slowing down its rear part to create a well controlled temporal gap—inside which an event occurs—such that the probe beam is not modified in any way by the event. The probe beam is then restored to its original form by the reverse manipulation of the dispersion. Here we present an experimental demonstration of temporal cloaking in an optical fibre-based system by applying concepts from the space–time duality between diffraction and dispersive broadening16. We characterize the performance of our temporal cloak by detecting the spectral modification of a probe beam due to an optical interaction and show that the amplitude of the event (at the picosecond timescale) is reduced by more than an order of magnitude when the cloak is turned on. These results are a significant step towards the development of full spatio-temporal cloaking
I don't realy undersstand this as Iam not a scientist but...
Woooowww!!!
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Unfortunately from what my couple of hours of research has uncovered and from knowing a little physics and the laws governing light beams, this is like a parlor trick at the present time, because the blip in time would only last for 50 trillionth of a second and can only be produced using a specific fiber optic material and special lighting projection, and it is all in the way that that substance refracts light beam. So it is not really at this point of practical use for spacial cloaking for a specific purpose, but it is one amazing parlor trick and a good step towards more study of this this, one small but important step. Now you see it, now you don't lol. This has been so interesting! Thanks Portals....Love it! Keep the science flowing, it is amazing, and keeps me out of trouble all day. I have been a very good girl..
I LOVE science, thanks for this awesome posting, now I am off to do a whole lot of research on this......truly interesting info and I have all sorts of bells and thoughts going through my head, WOW is right.,.
I knew you would like it, was thinking of you when I posted it :)
Share what you find in mixture with your thoughts ;
Love! <3
shall do, still studying.....it gets deep, I have to put on my quantum physics thinking cap here, lol.