Sum Over Histories

News on quantum gravity, strings and other interesting stuff in physics.
Novidades em gravitação quântica, cordas e outras coisas interessantes em física.

30 September 2006

System of units and coordinates

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There is nice post by John Baez on system of units and coordinates : "... systems of units are like coordinates. They’re both systems...
28 September 2006

Brazilian Meeting in Particles and Fields

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This year the Brazilian Meeting in Particles and Fields was held in Águas de Lindóia, a small town near São Paulo . Every year we have a ...
23 September 2006

O universo elegante na Google video

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No Google video voce pode encontrar uma versão reduzida da série de tres filmes O Universo Elegante, de B. Greene. No site da PBS a série e...
21 September 2006

Last solar eclipse in 2006

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It starts tomorrow, Friday 22, at 9:48 GMT (6:48 in Brazil). It is an annular eclipse which will be seen in South America, Caribbe, western ...
19 September 2006

Lorentz invariance in good health

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A new test of Lorentz invariance was announced in gr-qc/0609072 . Two cylindrical sapphire microwave resonators, which are perpendicular to...
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Victor Rivelles
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