150 citations
- Instituto Politécnico de LisboaPT10 papers
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Showing 2005 · physics.ed-phShow all
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physics.ed-ph2005★ 23 cited
The conceptualization of time and the constancy of the speed of light
Vasco Guerra, Rodrigo de Abreu
In this work we show that the null result of the Michelson-Morley experiment in vacuum is deeply connected with the notion of time. It can be deduced without any mathematics only f…
physics.ed-ph2005★ 2 cited
Images in Christmas Balls
Eef van Beveren, Frieder Kleefeld, George Rupp
We describe light-reflection properties of spherically curved mirrors, like balls in the Christmas tree. In particular, we study the position of the image which is formed somewhere…