The best display on the market today is IBM's Roentgen screen, a 16.3-incher with 200 pixels per inch, or 6.6 times as many as a conventional PC screen.
The first-ever Nobel prize in physics was awarded to Wilhelm Roentgen of Germany for his discovery of X-rays, and with this year's winners the total number of recipients has reached 194.
Dr Peter Chait and colleagues told an annual meeting of the American Roentgen Ray Society how injections of botulinum toxin A into the salivary glands helped 70% of children with cerebral palsy and severe drooling.