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What Is The Geometry Of Spacetime? — Wrap-Up: Why Does Any Of This Matter?

I'm sorry I've been away so long:  The "press of life" got the "better of me".  Sometimes...

What Is The Geometry Of Spacetime? — What Kinds Of Inner-Products/Metrics?

We ended the second article in this series with the audacious claim that we have obtained the METRIC...

What Is The Geometry Of Spacetime? — What Is Space? — Inner-Product Spaces

Since "spacetime" is simply a term for a space that has a component we call "time", we need only...

What Is The Geometry Of Spacetime? — Introduction

Many people struggle with, and even rail against, Einstein's Special Theory of Relativity. ...

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David HallidayRSS Feed of this column.

I am a Ph.D. Theoretical Physicist.  Not that that makes me an expert, or anything.

In fact, right now, I am working in the Environmental sciences:  This illustrates the... Read More »

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