"Unfortunately, scientists adore the Minkowski theory because, secretly they detest the 3+1 formula as not entirely ob…"

"General relativity (GR) is a geometric theory of gravitation: a gravitational field is simply curved spacetime. The g…"

"In GR, the mass/energy source determines the metric function through the field equation. ...In this approach, gravity…"

"Every artist's strictly illimitable country is himself. An artist who plays that country false has committed suicide;…"

"Mathematicians call the infinite curvature limit of spacetime a singularity. In this picture, then, the big bang emer…"

"The discovery of Minkowski... is to be found... in the fact of his recognition that the four-dimensional space-time c…"

"Every physical description resolves itself into a number of statements, each of which refers to the space-time coinci…"

"The use of rigid reference-bodies, in the sense of the method followed in the special theory of relativity, is in gen…"

"The idea of having an ambient space-time of some specific dimension seems to play less of a role in string theory tha…"

"Bolder even than Riemann, Clifford confessed his belief (1870) that matter is only a manifestation of curvature in a …"