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by lulmerchant
2992 days ago
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Basic Adjective 1. forming an essential foundation or starting point; fundamental. Your answers to those questions are either deliberately over-simplifying to avoid the question, or you don’t understand QED yourself. Your definition of a particle describes a possible outcome of a measurement, and ignores the existence of a wave function. Your description of gravity cannot be created in QED. You have provided no explanation of space whatsoever, which is so woefully unexplained by quantum mechanics, that it is referred to as the ‘vacuum catastrophe’. Anybody who investigates these concepts can see that our understanding of them is woefully incomplete. However scientists tend to have a very hard time acknowledging these limits of our understanding, and will often respond to such acknowledgements with thinly veiled contempt. Just as you have done by trying to undermine my opinion on them, rather than responding to what I have said. I think that by failing to acknowledge the limits of scientific understanding, maybe you are confusing science with religion? |
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That couldn't be further from the truth. Scientists have been very upfront about the limits of our understanding, particularly when it comes to combining gravity with quantum physics. Listen to Neil DeGrasse Tyson or any other science communicator talk about general relativity or quantum physics and you'll hear them drive this point home.
We know that quantum physics and general relativity don't combine well, yet both are among the most thoroughly tested theories in science. We know we need new physics to combine them, but they're still useful in their own domains. Just like before we had general relativity, we knew that Newtonian gravity was incomplete because it didn't correctly explain the orbit of Mercury. But Newtonian gravity was (and is) still useful, even with those limitations. The key is knowing where the limitations apply.
General relativity applies to scenarios of high mass/energy. Quantum physics applies at small scales. They both work great in their respective domains. It's when you have high mass/energy in a small volume that things break down, because both quantum physics and general relativity apply, but we don't know how to combine them.
> I think that by failing to acknowledge the limits of scientific understanding, maybe you are confusing science with religion?
I don't see dbasedweeb failing to acknowledge anything. dbasedweeb wrote, "incomplete in very extreme conditions such as the interiors of black holes or the first instants after the Big Bang," which happen to be two places where quantum physics and general relativity are both applicable and we therefor run into the limitations that I mentioned above.