3-D without glasses proceeds on some fronts

While the BBC and ESPN are backing away from their efforts in 3-D television programming, Stream TV Networks is plunging ahead with 3DTV technology that doesn't require the use of special glasses, Adrian Pennington and Carolyn Giardina write. Dolby Laboratories and Royal Philips Electronics are also moving forward with their glasses-free 3DTV products, scheduled to be unveiled early next year.

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