Tuesday, 28 September 2010

Physics: optics of lenses and mirrors (11)

Physics: Introduction to the optics of lenses and mirrors. Concave, convex, converging, diverging; real, virtual; upright, inverted, magnified, shrunk. Sign conventions for focal length, image distance, object distance, magnification. The lens/mirror equation; the magnification equation. Introduction to ray tracing. This is arecording of a tutoring session, posted with the student's permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For printable documents containing the "handout" and problems discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) The lens/mirror equation. Focal length distance, object distance. Convex, concave, diverging, converging (2) Image distance. Real, virtual (3) Continued (4) Continued. Upright, inverted (5) Continued. Magnification equation (6) Continued. The lens/mirror chart (7) A problem (8) Continued. Ray tracing (9) Continued (10) Another problem (11) Continued

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Friday, 24 September 2010

PARABOLIC MIRROR SOLAR COLLECTOR SQUARE PARABOLOID FREE GREEN ENERGY

www.greenpowerscience.com This is a large fiberglass parabolic shape made out of fiberglass. It is very powerful and has the part A mirror 80%. I will be adding the Part B to jack it up to 95%. The focal point is longer and takes a bit getting used to, especially getting in the habit of walking behind the parabolic mirror:-)

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Sunday, 19 September 2010

Primary Forces of the Earth System Explained by NASA

Concentrated spheres, such as Earth, are surrounded by layers of light of equal pressures. Clouds float around the Earth in them. The reason they float in curves parallel to the Earth is because of these spherical equipotential planes of pressures which curve as the Earth curves. Curved pressures of light act as lenses to multiply and divide light radially. (Spiraling) Light rays which pass through curved planes concentrate to a point when projected through light lenses of space in the convex direction and decentrate when they pass through the concave direction --------------------------------------------------------------------- Harmony of the Spheres A last lingering look back at mechanics to see new connections between old discoveries. Produced by the California Institute of Technology 1985 video.google.com --------------------------------------------------------------------- Vector Fields and Hydrodynamics Force fields have definite properties of their own suitable for scientific study. Produced by the California Institute of Technology 1985. video.google.com --------------------------------------------------------------------- Kepler to Einstein From Kepler's laws and the theory of tides, to Einstein's general theory of relativity, into black holes, and beyond. Produced by the California Institute of Technology 1985. video.google.com --------------------------------------------------------------------- Overall,Tesla States that the sun acts as a "generator" for our ...

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Wednesday, 15 September 2010

Sunday, 12 September 2010

burning paper with a convex lens

What happens to paper when it is exposed to paper through a convex lens?

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Thursday, 9 September 2010

Physics: optics of lenses and mirrors (4)

Physics: Introduction to the optics of lenses and mirrors. Concave, convex, converging, diverging; real, virtual; upright, inverted, magnified, shrunk. Sign conventions for focal length, image distance, object distance, magnification. The lens/mirror equation; the magnification equation. Introduction to ray tracing. This is arecording of a tutoring session, posted with the student's permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For printable documents containing the "handout" and problems discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) The lens/mirror equation. Focal length distance, object distance. Convex, concave, diverging, converging (2) Image distance. Real, virtual (3) Continued. Magnified, shrunk (4) Continued. Upright, inverted (5) Continued. Magnification equation (6) Continued. The lens/mirror chart (7) A problem (8) Continued. Ray tracing (9) Continued (10) Another problem (11) Continued

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Sunday, 5 September 2010

Physics: optics of lenses and mirrors (1)

Physics: Introduction to geometric optics for lenses and mirrors. Concave, convex, converging, diverging; real, virtual; upright, inverted, magnified, shrunk. Sign conventions for focal length, image distance, object distance, magnification. The lens/mirror equation; the magnification equation. Introduction to ray tracing. This is arecording of a tutoring session, posted with the student's permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For printable documents containing the "handout" and problems discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) The lens/mirror equation. Focal length distance, object distance. Convex, concave, diverging, converging (2) Image distance. Real, virtual (3) Continued. Magnified, shrunk (4) Continued. Upright, inverted (5) Continued. Magnification equation (6) Continued. The lens/mirror chart (7) A problem (8) Continued. Ray tracing (9) Continued (10) Another problem (11) Continued tags: educational college student MCAT exam instructional video

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