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Building Self-Assembling Robots With Origami, PowerPoint, and an LED Projector A new photopolymer technique creates self-folding origami structures from PowerPoint slides, which might be used as tiny, medical bots inside the body. By Glenn McDonald May 5, 2017 3:03 PM EDT Share on Facebook Tweet this article Email Origami, the art of paper folding, has been around for a long time. Historians are pretty sure that origami as we know it today — think paper cranes and frogs — has its origins in 17th-century Japan. But it's likely that the roots of the practice date back to 1st-century China.  ...

(2nd LD) N. Korea pushing ahead with preparations to launch rocket: sources By Sam Kim SEOUL, Feb. 27 (Yonhap) -- North Korea appears to have begun assembling a rocket that it claims will carry a satellite into space, a South Korean source said Friday, despite warnings to stop what neighbors call preparations to test-fire a long-range missile. "It appears that (North Korea) has begun assembling the rocket on the ground," the source said, expecting the work to be completed in a week at the earliest.

The purpose of FreeRepublic.com's multiple message boards is to limit the topics for each board to particular topics. Posting the same message on all the boards defeats the purpose of multiple-boards for special topics. It is very annoying to see the same message on every bulletin board. PLEASE! DO THE READERS A FAVOR. STOP CROSS-POSTING YOUR MESSAGES!