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44:45 Lecture-18.10.22 Lecture-18.10.22	Lecture-18.10.22 computers computer invention bit century thing vacuum viruses lot calculation things ruler test tube kind language war power tomorrow analogue From Praveer Towakel 11 plays 0
13:36 Camera Obscura construction Camera Obscura construction	Camera Obscura construction Here is a 'how to' video for the camera obscura kits. If you haven't got a kit then this is a good place to start if you want to build your own or to see the basic mechanisms of a… alternative process camera obscura side bit tape camera glue tab idea obscura minute things thing ruler convex effect image inside place stick pritt paper From Nadia Radjabi 21 plays 0