Problems with gravity theory !!!
- Thread starter danmand
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The problem with gravity theory can easier be explained by looking at augmented boobs. They also defy gravity.
Aww come on Terbites, lets try to explain why every year the Pioneers fall a further 5,000km behind their projected paths. Hundreds of scientific papers have been written on the Pioneer anomalies, many of them trying to find explanations beyond the current laws of gravity. 
Theres some very good "Mr Know it all" on here-myself include, lol-surely we can figure this puzzle out.
Theres some very good "Mr Know it all" on here-myself include, lol-surely we can figure this puzzle out.
Hmm, interesting article - but since it’s been years since I studied any physics - and that on the very most rudimentary level. . . I think I’ll wait for the article in Science or Nature. . .
Gravity, as a force, doesn't exist - we've known that for 100 years. It is just that space is warped (in some places and around some people downright twisted and bent ).
And we've known that our understanding of gravity is incomplete for awhile as well. For one thing, we cannot reconcile the behaviors described by quantum electrodynamics and gravity; we have two theories accurately describing the behavior of matter at certain scales (sub-atomic, and astronomic), but if you try and make them "meet in the middle" they lead to fundamental contradictions of one another!
One of the goals of modern theoretical physics is to solve this dilemma: to find a so-called Theory of Quantum Gravitation. Some flavor of string theory could do the trick if we could only find a way to test the damn thing.
).And we've known that our understanding of gravity is incomplete for awhile as well. For one thing, we cannot reconcile the behaviors described by quantum electrodynamics and gravity; we have two theories accurately describing the behavior of matter at certain scales (sub-atomic, and astronomic), but if you try and make them "meet in the middle" they lead to fundamental contradictions of one another!
One of the goals of modern theoretical physics is to solve this dilemma: to find a so-called Theory of Quantum Gravitation. Some flavor of string theory could do the trick if we could only find a way to test the damn thing.
smiley27 said:
Right.
The way I understand it, you can shuffle the basic parameters of the theory to generate an infinite number of string theories.
The problem with that is that you can find a combination of parameters to match any observable data.
Hence, it is not falsifiable; you can never find a phenomenon about which you can say, "If X is not the case, then this theory can't be true".
Hence, according to Karl Popper, it is not a scientific theory at all. It's just an exercise in mathematics. Apparently a very elegant one (don't ask me, I can't follow the math), but that's about it.
smiley27 said:
Hardly! My understand of string theory doesn't go much beyond what I've already said. Toss in the idea of looped strings, vibration of strings leading to the expression of a particle/string's basic properties, and "stub dimensions" and you pretty much exhaust it. I'm an interested layperson, nothing more.
smiley27 said:
Not a surprise to me. Are you familiar with the writings of Steven Shapin and Simon Schaffer? They basically founded a revolution in "science studies" using the techniques of the field sciences and turned the lens on scientists and scientific institutions themselves! The result was the discovery that scientific investigation and progress is driven as much by social forces and social inertia as it is by some quest for "the truth".
So right now string theory has a lot of social acceptance and inertia, so it is what gets funded and investigated. As you say, eventually that will crack.
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