"Lecteur, je suis moi-m?me la mati?re de mon livre": c'est ce surprenant aveu de subjectivit? qui ouvre l'un des textes les plus modernes de la litt?rature fran?aise, quoique l'un des plus anciens. ? la mort de son ami La...
"Deflection of light by gravity was predicted by General Relativity and observa-
tionaly confirmed in 1919. In the following decades various aspects of the gravita-
tional lens effect were explored theoretically, among them the possibility of...