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Are you familiar with quantum gravity? If humans are so advanced in our technology and understanding of physics why can't we explain gravity at the quantum leve

Are you familiar with quantum gravity? If humans are so advanced in our technology and understanding of physics why can't we explain gravity at the quantum level? https://en.wikipedia.org/wiki/Quantum_gravity#Problem_of_time https://en.wikipedia.org/wiki/Quantum_gravity#Problem_of_tim... And if we don't understand something as basic as gravity, how can we possibly say that we can detect everything in the universe?

still_grokking 4y ago
Actually we even don't understand time. Therefore space-time. Therefore the "stage" on which everything happens. Also we don't understand mater fully. So we don't understand "the thing" that happens on said stage. At the fundamental level we know shit. There's still plenty to figure out. Funny enough most of the fundamental things… By finding out about those fundamental things it's quite possible that we discover completely unexpected aspects of our universe. Not long ago we even didn't have the slightest clue how our sun works. A phenomenon that is central to our existence since inception. We should be really more humble in what we assume to know about how the things around us work.