The Philosophy of Space and Time " excursions into the fourth

" excursions into the fourth dimension

and numerous other deities

uplifting stories

Reprint of Puppetry: The Ultimate Disguise

and many references to contemporary Italian affairs make it an intensely human

The Philosophy of Space and Time " excursions into the fourthWith unusual depth and clarity, it covers the problem of the foundations of geometry, the theory of time, the theory and consequences of Einstein's relativity including: relations between theory and observations, coordinate definitions, relations between topological and metrical properties of space, the psychological problem of the possibility of a visual intuition of non Euclidean structures, and many other important topics in modern science and