Monthly Archives: February 2014

How Many Dimensions Make a Universe?

Modern physics is full of references to “dimensions.” A mathematical term in use since who knows when, it became attached with quasi-mythical associations soon after Albert Einstein coined the term “raumzeit,” or spacetime in the early part of the 20th … Continue reading

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Reality in Physics 2 (3?, 4?, n?)

 Some months ago, a post on a theoretical physics group discussion asked the question, “What are the greatest unsolved problems in theoretical physics, today?” Almost without exception, the comments from subscribers focused on issues of filling in chinks in the … Continue reading

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