These GIFs, however, are excellent examples of the format's ability to demonstrate things that would be difficult with a static picture and words alone. They even take advantage of the GIF looping feature.
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| How the Geneva drive — the mechanical step that makes the second hand on a clock work by turning constant rotation into intermittent motion — functions |
I ask many of my students to compose at least one text intended for electronic publication, and most of the final exams I give are submitted as electronic portfolios.
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| How a sewing machine functions |
I think I'll try to work this gallery into a lecture on document design, visual aids, and digital literacy.
Good stuff.
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