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Optical lens cloaking

invisible?

Is this about making things invisible? Well, somebody made your link invisible, at least on my computer.
 
There seems an erratic failure at Rochester University server.

Try another time. Interesting report.
 
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Poor-man's version: Anything smaller then the physical diameter of your aperture (when in front of the lens) can bee 'seen around' by the lens.
 
Yes Truzi,

The video I linked to is a "the old mirror trick". I realized that too late...

I thought maybe they used fresnel lenses. But their 4-lens cloaking system has the "fault" of the central part not being cloaking. In contrast to this show.