(This article was first published on Revolutions, and kindly contributed to R-bloggers)
Ever wondered how a sewing machine seemingly manages to knot stitches without ever releasing the thread? Well, wonder no more:
Find this and other animations of marvels of engineering, including the universal velocity joint and the rotary engine, at the link below.
World Of Technology: Complicated Mechanisms Explained in simple animations (via)
http://mytechnologyworld9.blogspot.com/2010/08/complicated-mechanisms-explained-in.html
To leave a comment for the author, please follow the link and comment on his blog: Revolutions.
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