Shedman well impressed! Chinese boffins crack invisible-shed window problem

With thanks to The Register - article by Lewis Page.

'Everyone, one hopes, is well aware by now of metamaterial - remarkable conceptual stuff which might be used in coming years to make invisibility cloaks; or more realistically, invisible sheds. Few, however, have spotted the critical flaw in a metamaterial cloak, shed or cladding - people so concealed would no more be able to see out than those outside could see in.'

Also see Boffin predicts invisible sheds on market in 5 years