An Israeli company, dubbed Lumus-Optical, is looking to change all that by offering up a relatively normal looking set of spectacles with twin microdisplays and mini projectors. The firm's latest prototype boasts dual 640 x 480 resolution displays as well as a wee projector on the arm; the Lumus glasses can accept video inputs via an undisclosed connection, and projects an image akin to a 60-inch screen...