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Drakkith
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What do you mean by "gravity generates gravity"?
Drakkith said:What do you mean by "gravity generates gravity"?
Passionflower said:Would we see the light of the stars behind the black hole?
And if so what would the redshift show the closer we get to the singularity?
Yes the mathematical approach you use for QED does not work with gravity. But how does that imply that it is impossible for someone to devise a method that does work?twofish-quant said:So rather than having one infinity that you can deal with, you have infinities all over the place. The more corrections you put in, the worse your situation is. That means that the mathematical approach you use for QED, just won't work with gravity.
The claim is not that is it "impossible" for someone to devise a method, the issue is that no one has.Passionflower said:Yes the mathematical approach you use for QED does not work with gravity. But how does that imply that it is impossible for someone to devise a method that does work?
DaveC426913 said:The claim is not that is it "impossible" for someone to devise a method, the issue is that no one has.
with our current understanding of QM (which has been tested extensively and passed with flying colours) and our current understanding of GR (which has been tested extensively and passed with flying colours), we cannot reconcile the two.
Passionflower said:Yes the mathematical approach you use for QED does not work with gravity. But how does that imply that it is impossible for someone to devise a method that does work?
twofish-quant said:Most mathematical physicists that I know are of the opinion that it is in fact mathematically impossible to reconcile classical GR and quantum mechanics, and that the problems that people have using standard QM techniques on GR are not a "lack of trying" problem but rather a "this is mathematically impossible" problem.
vinayjain said:When it is said that gravity cause gravity is it like magnetic field produces magnetic field ?
Please clarify
twofish-quant said:Something that I find funny is the Eureka myth. People always talk about that brilliant flash of insight which let's you realize how things work. The funny thing is that people don't talk about the reverse situation. Sometimes you get hit by lightning and the brilliant flash of insight is that what you've been working on the last few years just won't work.