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Watching glasses-free 3D on a TV is no longer an outlandish concept, but that hasn’t been true for movie theaters. How are you supposed to create the same parallax effect for everyone, whether they’re up front or way in the back? Researchers at MIT CSAIL and Israel’s Weizmann Institute for Science finally have a practical answer. Their Cinema 3D tech creates multiple parallax barriers in a single display, using lenses and mirrors to deliver a range of angles across the whole theater. And unlike previous attempts at large-scale glasses-free 3D, you don’t have to take a hit to resolution.

You won’t get to forego the unwieldy eyewear for a while. The prototype is only slightly larger than a pad of paper, and uses 50 lens/mirror combos to achieve its 3D effect. You’d need a far bigger and more intricate system to make it work at the local movie house, which might make it prohibitively expensive. However, it’s imaginable that a future, optimized version might find its way into theaters and spare you from one of the biggest hassles in modern moviegoing.

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A “Told You So Article” on IP and China.


Techdirt has been warning for years that the West’s repeated demands for China to “respect” patents could backfire badly. In 2010, Mike pointed out that Chinese companies were starting to amass huge patent portfolios, which were soon used as weapons against foreign firms operating in China, most notably Apple. In another 2010 post, Mike wrote the following:

Huawei, the Chinese networking giant, has taken over the lead as filing the most international patents of any company. Just wait until American companies, whose execs complained about China “not respecting intellectual property,” start getting sued in East Texas for violating Huawei’s patents.

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