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"Gravity Doesn't Exist" --Is this Fundamental Phenomenon of the Universe an Illusion?
Could both gravity and the Big Bang be an illusion? In January 2010, Erik Verlinde, professor of Theoretical Physics and world-renowned string theorist, caused a worldwide stir with the publication of On the Origin of Gravity and the Laws of Newton, in which he challenged commonly held perceptions on gravity, going so far as to state ‘for me gravity doesn’t exist’. If he is proved correct, the consequences for our understanding of the universe and its origins in a Big Bang will be far-reaching.
To Verlinde, gravity is similar. It’s something that only appears when you put many things together at a microscopic scale and then you suddenly see that certain equations arise. "As scientists," he observes, "we first want to understand nature and our universe. In doing so, we have observed things that are deeply puzzling, such as phenomena related to dark matter. We see things happening that we don’t understand. There must be more matter out there that we don’t see. There’s also something called ‘dark energy’. And then there’s the whole puzzle of the beginning of the universe. We now have what is called the ‘Big Bang’ theory.
www.dailygalaxy.com...
"We think we understand gravity in most situations," he says "but when we look at galaxies and, on much larger scales, at galaxy clusters, we see things happening that we don’t understand using our familiar equations, like Newton’s equation of gravity or even Einstein’s gravity. So we have to assume there’s this mysterious form of matter, which we call dark matter, which we cannot see. Now dark energy is even weirder, in the sense that we don’t even know what it consists of. It’s something we can put in our equations to make things work, but there’s really a big puzzle to be solved in terms of why it’s there and what it’s made of. At present, we have not really found the right equations to describe it. There’s clearly progress to be made in terms of finding a better theory of gravity, and understanding what’s happening in our universe."
Its rather odd, sad, and funny at the same time, that you get a star for your sarcasm. Does it add to the thread?
originally posted by: moebius
a reply to: All Seeing Eye
Please educate yourself on the meaning of the word "theory" in science. It is certainly not what you think it is.
And if you don't believe in gravity, feel free to jump from a high cliff and see how that works out for you.
You're making stuff up with no evidence to support it. You may as well postulate that magic pixies did it because that would have the same evidence. There are no observations of either dark matter or dark energy in our own solar system so you're only embarrassing yourself by trying to use those to explain what's going in in our solar system. Newton's math still works almost perfectly to explain what we observe in our own solar system including our ability to land a spacecraft on mars many millions of kilometers away that would certainly not be successful if our gravity calculations were off by even a small amount. The explanation of the precession of Mercury required a tweak to Newton's math from Einstein's theory, but otherwise Newton's math still works well even today in our solar system to explain other gravitational observations.
originally posted by: All Seeing Eye
I'm no Theoretical physicist, but it was suggested to me in the past that the Van Allen radiation belts played a great role in gravity. Maybe, they produce that dark matter, or dark energy Mr Erik Verlinde alluded to in the above article. Maybe things are not pulled back to earth, but are pushed back. How Would Newton know, one way, or the other?
That source is as unreliable as the Daily Galaxy. Quantum physics has not proven that there is an afterlife, the article is complete rubbish.
Quantum physics proves that there IS an afterlife, claims scientist
- Robert Lanza claims the theory of biocentrism says death is an illusion
- He said life creates the universe, and not the other way round...
By the way the daily galaxy often posts complete rubbish stories so it's not a reliable source. If it's suggesting that Newton's and Einstein's maths don't explain our gravitational observations in our own solar system, then the article is rubbish, and it wouldn't be the first time that source has published rubbish.
I haven't laughed that hard in years.
originally posted by: AngryCymraeg
a reply to: All Seeing Eye
None of your links work.
originally posted by: All Seeing Eye
I haven't laughed that hard in years.
originally posted by: AngryCymraeg
a reply to: All Seeing Eye
None of your links work.
Thank you for your input, and opinion.
originally posted by: St Udio
the notion of an 'expanding Earth' would be more in line with a 'pressure cooker' model rather than some exotic theory where we have a 'compressed' Planet that is gradually increasing in size--- that notion is like putting lipstick-on-a-pig or describing a Fabrege' Egg when a Deviled Egg is the reality
the Earth Core(s), inner & outer are in a frenzied condition which is causing the Earths' Mantle layers of molton rock to heat up excessively and cause outgassing & stresses on all the underground pockets and strata layers with water/gasses/ oils/ tars to rise to the surface or expand the confines of their enclosed spaces.... nothing more than that
Earth is not going to grow into larger diameter sphere of rock & water...thats' a fantasy to sell a dreamland adventure
That is really really odd. I had a neighbor who worked in a coal mine and found a chunk of one of those trees. He gave it to me, and I gave it to my brother in law.
originally posted by: AngryCymraeg
a reply to: All Seeing Eye
. As for your take on it, the earliest trees (as we would know them) were Wattieza trees, which flourished in the Middle Devonian period (C 385 million years ago).
originally posted by: All Seeing Eye
That is really really odd. I had a neighbor who worked in a coal mine and found a chunk of one of those trees. He gave it to me, and I gave it to my brother in law.
originally posted by: AngryCymraeg
a reply to: All Seeing Eye
. As for your take on it, the earliest trees (as we would know them) were Wattieza trees, which flourished in the Middle Devonian period (C 385 million years ago).
Thank you for this contribution.
For consistency All Seeing Eye, if the Van Allan belt was to produce dark matter/dark energy and in some way produce gravity... us down on Earth wouldn't notice, if the shell is spherical. There would be no net pull of gravity down to the centre. So again this is one of those postulates that can be already (based on very well established observation) can be ruled out... so our 2nd - 3rd or 4th order postulates are useless and yes we might as well just say pixies make gravity
If, this is the nature of the belt, it must radiate something. I haven't had much time to ponder the possibilities that could be involved.
Van Allen radiation belts (cross section) A radiation belt is a layer of energetic charged particles that is held in place around a magnetized planet, such as the Earth, by the planet's magnetic field.
Yes, that is true, the Appalachians Mountains are probably closer to 300 million years old.
originally posted by: AngryCymraeg
originally posted by: All Seeing Eye
That is really really odd. I had a neighbor who worked in a coal mine and found a chunk of one of those trees. He gave it to me, and I gave it to my brother in law.
originally posted by: AngryCymraeg
a reply to: All Seeing Eye
. As for your take on it, the earliest trees (as we would know them) were Wattieza trees, which flourished in the Middle Devonian period (C 385 million years ago).
Before trees there were ferns.
EDIT: I did say that the earliest trees as we would know them were the Wattieza trees. I also need to point out that on your original post you claimed that there were mountains on both sides of the USA because of the pressure of water (or so I seem to remember). The Appalachians are far older than the Rockies and far far older than parts of the Cascades.
So he's trying to use string theory to bridge the gap between relativity and quantum mechanics or something like that, people have been trying to do that for decades, and maybe someday he or someone else will succeed. However he's facing the same situation Einstein did when Einstein revamped the theory of gravity, he had to make sure that Newton's math holds true in the limiting case because Newton's math still matches observations in our solar system.
originally posted by: All Seeing Eye
Here is is from the Horses mouth.
The Earth isn't 70+% water, it's not even one percent water. It's not even one tenth of one percent water, it's only half of that:
originally posted by: Gyo01
a reply to: All Seeing Eye
I thought it was because the Earth was spinning at many miles an hour and 70+% water.... like a clay pot being spun.... but that is too simple of a description.
Although water covers 70 percent of the Earth's surface, water is actually a rare substance that represents just 0.05 percent of the Earth's total mass.