Some time ago I posted a news article on this relatively new scientific tech. It is actually a set of four lenses with their centers aligned. The effect they create is that they light rays focus and then diverge out bending the light around a specific area. Anything that exists within this area is simply... cloaked and you still can see the background
Here is a video explaining how this phenomenon works:
Now if you want to make your own cloaking device, follow the instructions in this link.
Purchase 2 sets of 2 lenses with different focal lengths f1 and f2 (4 lenses total, 2 with f1 focal length, and 2 with f2 focal length)
Separate the first 2 lenses by the sum of their focal lengths (So f1 lens is the first lens, f2 is the 2nd lens, and they are separated by t1= f1+ f2).
Do the same in Step 2 for the other two lenses.
Separate the two sets by t2=2 f2 (f1+ f2) / (f1 14 f2) apart, so that the two f2 lenses are t2 apart.
Youtube user brusspup followed the instructions and this is his own Rochester cloaking device
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