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Antonio Gutierrez: Geometry From the Land of the Incas

For Students 9th - 10th
Discovering the properties of constructions, seeing proofs in action, and viewing problems come to life here with this wonderful use of technology in the classroom. Single steps are explained and illustrated one at a time so that the...
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University of Maryland

University of Maryland: Optics Highlights: Wave Optics

For Students 9th - 10th
Part of an anecdotal history of optics and the study of light. Extremely thorough treatment of how scientists came to believe in the wave nature of light. Includes a short biographical sketch and discusses the work of Thomas Young...