Conic sections - Skiagraphs

Drawing skiagraphs: SKIA (Greek: σκιά, shadow) + GRAPHIKOS (Greek: γραφικός, graphic). These are all types of conic sections formed by shadows.

This video is a combined video of:
* Circloskiagraph: http://www.youtube.com/watch?v=UUP2-iRQ8rw
* Ellipsoskiagraph: http://www.youtube.com/watch?v=U2MkLdsMeBY
* Paraboloskiagraph: http://www.youtube.com/watch?v=EjXWMTJtfYA
* Hyperboloskiagraph: http://www.youtube.com/watch?v=kHAfwihkM1I

Category:

Education

Tags:

• Elica
• demo
• Logo
• peristrofograph
• conic
• section
• circle
• ellipse
• parabola
• hyperbola
• light
• ball
• shadow