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NASA, now brought to you by Superfocus LLC (video)
In what reads like ad copy or a particularly prescient passage from Snow Crash, the Wall Street Journal says that the next Space Shuttle Discovery launch will feature two astronauts wearing "Superfocus" glasses. Not familiar with Superfocus? Then perhaps you'll recall these adjustable glasses by their old TruFocals moniker? Superfocus glasses consist of a conventional prescription lens and a second, flexible lens that changes shape by moving a slider on top of the bridge. A trick that solves focal length issues for veteran astronauts who can't change focus from far to near as a natural part of aging. Click through for the full video explanation of Superfocus by its inventor Navin R. Johnson Dr. Stephen Kurtin.
