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de Abreu, Rodrigo; Guerra, Vasco – European Journal of Physics, 2009
The null result of the Michelson-Morley experiment and the constancy of the one-way speed of light in the "rest system" are used to formulate a simple problem, to be solved by elementary geometry techniques using a pair of compasses and non-graduated rulers. The solution consists of a drawing allowing a direct visualization of all the fundamental…
Descriptors: Scientific Concepts, Geometric Concepts, Geometry, Science Instruction