Of all the AC adapters stuffed into your personal item when globetrotting, the plug used in Merry Old England must surely be the most cumbersome -- its three copper prongs flung to the extremes of a giant block of plastic. That Victorian holdover gets a major re-do with this UK Folding Plug concept. The two horizontal prongs rotate themselves in-line with the top, vertical one, and the body of the adapter then folds in half, resulting in a thickness of about 1cm. Interestingly the plug would still work in either position, with a slimline power