by Claes Johnson
Number of pages: 219
The book offers an alternative to Einstein's special theory of relativity, with the main purpose of developing a form of relativity, which (in contrast to Einstein's relativity) can be combined with quantum mechanics and thus can open to a unified field theory. We refer to the alternative as many-minds relativity, requiring different observers to agree on different information to different precision, asking for high precision only on essential information.
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by James B. Hartle - arXiv.org
Notes from the lectures on Quantum Cosmology and Baby Universes. The lectures covered quantum mechanics for closed systems, generalized quantum mechanics, time in quantum mechanics, the quantum mechanics spacetime, and practical quantum cosmology.
by G. Y. Rainich - Edwards Brothers
We may consider Geometry as a first attempt at a study of the outside world. It may be considered as a system which reflects our experiences with features of the outside world, namely features connected with the displacements of rigid bodies.
by Hendrik Antoon Lorentz - Feedbooks
There is a constant demand for information about this much-debated topic of relativity. In order to make a popular explanation of this far-reaching theory available, the present book is published. (first published in 1920)
by Benjamin Crowell - LightAndMatter.com
This textbook is a nonmathematical presentation of Einstein's theories of special and general relativity, including a brief treatment of cosmology. It is a set of lecture notes for the author's course Relativity for Poets at Fullerton College.