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profmattstrassler.com | ||
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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.... | |
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backreaction.blogspot.com
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| | | | | Science News, Physics, Science, Philosophy, Philosophy of Science | |
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www.preposterousuniverse.com
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| | | | | [AI summary] The text discusses the implications of quantum mechanics and the concept of expected energy in quantum systems. It highlights the difference between the average energy of a quantum state and the energy of the system post-measurement, emphasizing that the former is a statistical average while the latter is determined by the measurement outcome. The discussion also touches on the broader context of quantum theory, including the role of measurement and the probabilistic nature of quantum states. Additionally, it references the importance of energy in physical processes and the connection to classical thermodynamics, suggesting that while quantum mechanics provides a framework for understanding energy at a fundamental level, classical concepts still... | |
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profmattstrassler.com
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| | | Today I continue withmy series of postson fields, strings and predictions. During the 1980s, as I discussed in the previous post in this series, string theorists learned that of all the possible string theories that one could imagine, there were only five that were mathematically consistent. What they learned in the first half of the... | ||
