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Maybe that’s overstating it, but Sony’s long-awaited Reader—the first E-ink-equipped e-book reader in the U.S.—can hold hundreds of books, has a nearly inexhaustible battery, and inflicts no more eyestrain than your typical paperback. That’s because MIT-developed E-ink doesn’t glow like the backlit LCD screen on your computer monitor. Instead it uses microcapsules filled with oppositely charged black and white nanoparticles floating in liquid. Hit the page-turn button, and in each capsule, a positive jolt brings black particles to the surface, while a negative charge moves up the white ones, and together they form words. The bits stay put until the next jolt, so a full battery will last you 7,500 page turns, or about 25 books. Fill the slim Reader from Sony’s online store—each of the 10,000 available titles costs about 25 percent less than the hardcover—or load any other PDF or text file. What will you do with all those empty bookshelves? $350; sonystyle.com
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