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...o in 2006 developed the first proof-of-concept device capable of hiding an object from electromagnetic radiation (meaning light), now say a similar device co

...http://en.wikipedia.org/wiki/Lionel_Penrose Penrose stairs], an impossible object; Lionel Penrose had first published his concept in the February, 1958 issue

But to return to our main object of study, the battleship. Shortly after the turn of the 20th century -- aro