A 3D-printed gingerbread house will not disintegrate into crumbs and is more durable and inexpensive. You do have to pay a small fee for the STL file, but then the fun ... natural look. This miniature ...
Researchers have developed a 3D-printed device that generates twisting light beams with orbital angular momentum (OAM), a form of rotational energy that can carry more data than regular beams.
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