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profmattstrassler.com
| | jasmcole.com
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| | During one of my many spells stumbling around on the internet, I came across a very cool paper on modelling the trajectories of particles around black holes (bear with me...). It has all the required ingredients for this blog: maths, physics, nice pictures, and the chance to throw in a Muse reference.Let's have a look....
| | 4gravitons.com
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| | I've said something like this before, but here's another way to say it. The problem of quantum gravity is one of the most famous problems in physics. You've probably heard someone say that quantum mechanics and general relativity are fundamentally incompatible. Most likely, this was narrated over pictures of a foaming, fluctuating grid of space-time....
| | yuxi.ml
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| | The hole argument in general relativity is formally analogous to the inverted qualia problem in philosophy. Like how spacetime points have no existence beyond gauge freedom, qualias have no existence beyond their geometric-functional roles, thus dissolving the hard problem of consciousness.
| | profmattstrassler.com
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| Matt Strassler [April 12, 2012] It is common that, when reading about the universe or about particle physics, one will come across a phrase that somehow refers to ``matter and energy'', as though they are opposites, or partners, or two sides of a coin, or the two classes out of which everything is made. This