A lot of papers have been written about it.īut I only realized how simple it is when I got this paper in my email, from someone I’d never heard of before: Physicists have known about this viewpoint at least since 1980, thanks to a paper by the mathematical physicist Jürgen Moser. It’s just a different way of thinking about Newtonian physics! But in ordinary time, its shadow in 3 dimensions moves faster when it’s closer to the sun.Īll this sounds crazy, but it’s not some new physics theory. Relative to this other time, the planet is moving at constant speed around a circle in 4 dimensions. It’s the difference between ordinary time and another sort of time, which flows at a rate inversely proportional to the distance between the planet and the sun. What’s this fourth dimension I’m talking about here? It’s a lot like time. But down here in 3 dimensions, its ‘shadow’ moves in an ellipse! The planet goes around in a circle in 4-dimensional space. The vertical direction is the mysterious fourth dimension. The plane here represents 2 of the 3 space dimensions we live in.
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