How to use the Open Courseware Directory (OCD)1 -- Make an initial subject selection from the subject areaas above (e.g. 'Physical Sciences'). 2 -- Choose a specific subject (e.g. 'Physics' from 'Physical Sciences' menu above). 3 -- Refine with terms from 'Media Type' and 'Level' to restrict the results (e.g. 'Video' to find all video OCW for physics). Who's onlineThere are currently 0 users and 14 guests online.
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How and Why Machines Workhow and why machines work, conceived, developed (drawn), utilized, hands-on experiences of taking things apart mentally and physically, drawing (sketching, 3D CAD) what they envision and observe, understanding the physics and history of machines: tools, study materials, animations, course download
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