The Tesseract: Just prior to the invention of Spacetime

Charles Howard Hinton’s The Fourth Dimension (1904), is a book all about the “tesseract” – the tesseract being to the cube as the cube is to the square

http://publicdomainreview.org/collections/views-of-the-tesseract-1904/ Continue reading “The Tesseract: Just prior to the invention of Spacetime”