Are Cosmic Strings Cracks in the Universe?
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Top Comments (10)
Finally, a video that doesn't just explain what a topological defect is, but also explains which specific phases of what were transitioned between.
As an old retired welding metallurgist it finally occurred to me on watching this episode that the topological defects you describe are very much like the grain boundaries that form when a weld or a freshly-poured steel ingot cool and solidify. So, more and more it seems that the early formation of the universe was more like a solidification/precipitation event, rather than a "big bang" from a single point. There are many other analogs between the universe formation mechanics you describe and solidification mechanics of metals - grain boundary energy, crystallographic phase orientation angles, and such. If I was younger I might almost feel compelled to investigate quantum mechanical relationships in metallurgical solidification phenomena - as it is, I am just happy to continue growing with your show.
Someday I imagine myself in an interview and I'll say, "Well, I'm not a credentialed physicist, but I've watched a lot of PBS Space Time," and then I'll be hired on the spot.
This is shockingly comprehensible and well-explained, even for us non-physicists.
The videos this channel puts out has kept me sane for the past two years. Can't thank you guys enough
Is the Higgs phase angle something that could theoretically be measured? Or are cosmic strings the only indication of a change in phase angle?
I'm curious how these knots in the higgs field might interact with black holes? Would the black hole destroy the string, or would the cracked higgs field affect the black hole in some way?
The way Matt explains stuff always makes me feel like I'm in the future listening to someone talk about all this.
I can't explain how much I love this show. It's beyond my ability to convey. Thanks PBS and Matt - you all continue to elevate us all above the minimums of our past.
What happens when a cosmic string lashes through an solid object like the earth, or an neutron star? Or a black hole?? 🤔
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Top Comments (10)
Finally, a video that doesn't just explain what a topological defect is, but also explains which specific phases of what were transitioned between.
As an old retired welding metallurgist it finally occurred to me on watching this episode that the topological defects you describe are very much like the grain boundaries that form when a weld or a freshly-poured steel ingot cool and solidify. So, more and more it seems that the early formation of the universe was more like a solidification/precipitation event, rather than a "big bang" from a single point. There are many other analogs between the universe formation mechanics you describe and solidification mechanics of metals - grain boundary energy, crystallographic phase orientation angles, and such. If I was younger I might almost feel compelled to investigate quantum mechanical relationships in metallurgical solidification phenomena - as it is, I am just happy to continue growing with your show.
Someday I imagine myself in an interview and I'll say, "Well, I'm not a credentialed physicist, but I've watched a lot of PBS Space Time," and then I'll be hired on the spot.
This is shockingly comprehensible and well-explained, even for us non-physicists.
The videos this channel puts out has kept me sane for the past two years. Can't thank you guys enough
Is the Higgs phase angle something that could theoretically be measured? Or are cosmic strings the only indication of a change in phase angle?
I'm curious how these knots in the higgs field might interact with black holes? Would the black hole destroy the string, or would the cracked higgs field affect the black hole in some way?
The way Matt explains stuff always makes me feel like I'm in the future listening to someone talk about all this.
I can't explain how much I love this show. It's beyond my ability to convey. Thanks PBS and Matt - you all continue to elevate us all above the minimums of our past.
What happens when a cosmic string lashes through an solid object like the earth, or an neutron star? Or a black hole?? 🤔