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 Optics-Reflection and the Ray Model of Light Created by Tom Henderson of Physics Classroom.com, this item is a chapter in a beginning physics tutorial. The ray nature of light is used to explain how light reflects off both planar and curved surfaces to produce images. Reflection produced by plane mirrors, concave mirrors, and convex mirrors are all explored with accompanying flash animations to illustrate geometric properties. This is... http://www.physicsclassroom.com/class/refln
 Refraction and the Ray Model of Light Created by Tom Henderson of the Physics Classroom.com, this item is a chapter in a beginning physics tutorial. It explores the conceptual and mathematical principles governing the bending of waves as they cross the boundary between two media. The ray nature of light is used to explain the behavior of light as it refracts, or bends, at planar and curved surfaces. Refraction principles are... http://www.physicsclassroom.com/class/refrn
 The Anatomy of a Lens Created by Tom Henderson of Physics Classroom.com, this resource offers comprehensive background information on the nature of lenses and their refractive properties. Accompanying ray diagrams provide valuable tools for understanding how images are formed by both converging and diverging lenses. Sample problems and solutions relating to the mathematics of lenses are provided, along with a brief... http://www.physicsclassroom.com/Class/refrn/U14L5a.cfm
 Archimedes Death Ray: Idea Feasibility Testing This website from the Massachusetts Institute of Technology shows a model of how Archimedes might have set the Roman fleet afire with reflected sunlight. The website uses photos and text to show the MIT engineering procedure, step-by-step. A timeline with links provides further detail. http://web.mit.edu/2.009/www/experiments/deathray/10_Archime...
 Quantum Dots This lab, presented by the National Nanotechnology Infrastructure Network, covers the concept of behavior of particles on the nanoscale. Students will learn about exploring the absorption and reflection of light "based on energy levels that are determined by size and bonding arrangements of the materials." A Teacher Preparation Guide, Student Guide, a YouTube video, and Next Generation Science... http://www.nnin.org/education-training/k-12-teachers/nanotec...
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