So this is Christmas. A time that we all take our gifts for granted. iPods, laptops, Wiis and other manifestations of our comfortably numb self-indulgence.
While Josh Silver, a retired physics professor from Oxford University, tries to find a way for the world's poor to see as clearly as the most screen-glued nerd.
Professor Silver's invention is so simple that you wonder why no one has thought of it before. He knows that poor people don't exactly have an optometrist on their doorstep or within their means. So he invented glasses with lenses that the wearer can … Read more