Do claims about the future presently have truth values? Do objects have temporal parts? Is time travel possible? What does special relativity have to say about the previous questions? We will do some ...

What does it mean to be to space-time? The seemingly simple question gets to the essence of twentieth-century physics and has driven a hundred-year debate between philosophy and science. In Einstein’s ...

(via Big Think) We would hope that the moment that we eternally live in, the “now,” would have a concrete scientific explanation. But the truth is far more complicated, says the relativity of ...

THE issue of parts 5, 6 and 7 completes the above volume in this series on classical physics ; it is to be followed by one dealing with relativity physics. The present parts cover pre-Fresnel optics, ...