# BRIAN GREENE EL UNIVERSO ELEGANTE PDF

Buy El Universo Elegante: Supercuerdas, Dimensiones Ocultas y Busqueda Teoria Final / The Elegant Universe (Spanish Edition) on Brian Greene (Author ). Readers’ questions about El universo elegante: Supercuerdas, dimensiones ocultas information about the same topic is The Hidden Reality by Brian Greene. El Universo Elegante by Brian Greene, , available at Book Depository with free delivery worldwide.

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Por que achar os Sparticles? A point no dimension We start with a point. The first dimension — a line A second point, then, can be used to indicate a different position, but hniverso, too, is of indeterminate size. To create the first dimension, all we need is a line joining any two points.

## L’universo elegante: Superstringhe, dimensioni nascoste e la ricerca della teoria ultima

A first dimensional object has length only, no width or depth. What would it be like to be a Flatlander living in their two-dimensional world? A two-dimensional creature would have only length and width, as if they were the royalty on an impossibly flat playing card. And a Flatlander trying to view our three-dimensional world would only be able to perceive shapes in two-dimensional cross-sections.

And we three-dimensional human beings would seem very strange indeed to a Flatlander. A three dimensional object has length, width, and height.

We can imagine that we did this by taking a two-dimensional object and folding it through the dimension above, which is our third dimension.

The first three dimensions can be described with these words: What word can we assign to the fourth dimension? If you were to see your body in the fourth dimension, you would be like a long undulating snake, with your embryonic self at one end and your deceased self at the other. But because we live from moment to moment in the third dimension, we are like our second dimensional Flatlanders.

Just like that Flatlander who could only see two-dimensional cross-sections of objects from the dimension above, we as three-dimensional creatures can only see three-dimensional cross-sections of our fourth-dimensional self. The Fifth Dimension — A Split One of the most intriguing aspects of there being one dimension stacked on another is that down here in the dimensions below we can be unaware of our motion in the dimensions above.

It appears, somewhat amazingly, that the strip has only one side, so it must be a representation of a two-dimensional object. And this means that a two-dimensional Flatlander traveling down the line we just drew would end up back where they started without ever feeling like they had left the second dimension.

In reality, they would be looping and twisting in the third dimension, even though to them it felt like they were traveling in a straight line. The fourth dimension, time, feels like a straight line to us, moving from the past to the future.

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So, the long undulating snake that is us at any particular moment will feel like it is moving in a straight line in time, the fourth dimension, but there will actually be, in the fifth dimension, a multitude of paths that we could branch to at any given moment. Those branches will be influenced by our own choice, chance, and the actions of others. Quantum physics tells us that the subatomic particles that make up our world are collapsed from waves of probability simply by the act of observation.

The Sixth Dimension — A Fold What if you wanted to go back into your own childhood and visit yourself? We can imagine folding the fourth dimension through the fifth, jumping back through time and space to get there.

But what if you wanted to get to the world where, for example, you had created a great invention as a child that by now had made you famous and rich?

## Brian Greene

There are only two ways you could get to that world — one would be to travel back in time, somehow trigger the key events that caused you to come up with your invention, then travel forward in the fifth dimension to see one of the possible new worlds that might have resulted.

But that would be taking the long way. The shortcut we could take would involve us folding the fifth dimension through the sixth dimension, which allows us to instantly jump from our current position to a different fifth dimensional line. The Seventh Dimension — A Line In our description of the fourth dimension, we imagined taking the dimension below and conceiving of it as a single point. The fourth dimension is a line which can join the universe as it was one minute ago to the universe as it is right now.

Or in the biggest picture possible, we could say that the fourth dimension is a line which joins the big bang to one of the possible endings of our universe. Now, as we enter the seventh dimension, we are about to imagine a line which treats the entire sixth dimension as if it were a single point.

To do that, we have to imagine all of the possible timelines which could have started from our big bang joined to all of the possible endings for our universe a concept which we often refer to as infinityand treat them all as a single point. So, for us, a point in the seventh dimension would be infinity — all possible timelines which could have or will have occurred from our big bang.

But how can there be anything more than infinity? The answer is, there can be other completely different infinities created through initial conditions which are different from our own big bang. So the line we draw in the seventh dimension will join one of these infinities to another. And, as boggling as the magnitude of what we are exploring here might be, if we were to branch off from that seventh dimensional line to draw a line to yet another infinity, we would then be entering the eighth dimension.

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If our ant on the newspaper were a two-dimensional Flatlander, then folding his two-dimensional world through the third dimension would allow him to magically disappear from one location and appear in a different one. The Tenth Dimension — A Point?

### El Universo Elegante : Brian Greene :

A point indicates a location in a system, and each point is of indeterminate size. When we imagined the fourth dimension, it was as if we were treating the entirety of three-dimensional space in a particular wlegante as a single point, and drawing a fourth-dimensional line to another point representing space as it is in a umiverso state.

Then in the seventh dimension, we treated all of the possible timelines which could be generated from our big bang as if this were a single point, and imagined drawing a line to a point representing all of the possible timelines for a completely different universe.

Now, as we enter the tenth dimension, we have to imagine all of the possible branches for all the possible timelines of all the possible universes and treat that as a single point in the tenth elegantr. So far, so good.

### El universo elegante – Brian Greene – Google Books

But this is where we hit a roadblock: By the time we have imagined all possible timelines for all possible universes as being a single point in the tenth dimension, it appears that our journey is done. In String theory, physicists tell us that Superstrings vibrating in the tenth dimension are what create the subatomic particles which make up our universe, and all of the other possible universes as well. In other words, all possibilities are contained within the tenth dimension, which would appear to be the concept we have just built for ourselves as we imagined the ten dimensions, built one upon another.

Primeiros acabaram com o antropocentrismo e colocaram o sol no centro de tudo. Precisa presentear com bom bria mau gosto? Como detectar um mentiroso. Lactobacilos contra a diarreia.

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