Earth growing and matter creation.

gurusan said:
The appearance that the light is bending? The reason scientists say that it can be looked on as proof of space bending is because photons are mass-less particles.....so there's only 1 obvious explanation really.

Also you seem to have it fixed in your mind that space is "nothing"......
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Mass-less particles? Here i thought light was electromagnetism...

Space is nothing, just because you can move about in it doesn't make it less so, unless the definition of space includes everything within it then that stuff can bend sure.
 
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Radiation said:
Because both work but one is more realistic, if light passes through the area of effect it would certainly look like its bending but why do they need to come up with the idea of space itself bending and not just the appearance of it on anything thats passing through?
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Because this is what our observations indicate.

Radiation said:
Just like an electromagnet is used to bend the electron beam in a crt, but this works over large distances at low levels, i believe its some net effect or wave like effect we're seeing from magnetism.

I mean think about it, magnetism is everywhere right, light for instance is vibrating magnetism, now the raw magnetism of a large object must produce some kind of net effect we call gravity, not the bending of space aka nothing.
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You really need to learn about physics before you can comment on any of this.
 
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Radiation said:
Yes it looks like a particle like a spike or burst of waves, its still very much electromagnetism is it not?
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No, light is quantised and consists of particles, called photons. These particles can be described by waves, however.

This is what quantum mechanics is all about (a quantum being a discrete, indivisible unit of something, for example a photon is a quantum of light).

If you want direct evidence that light is quantised, read up on the photoelectric effect.
 
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Inquisitor said:
No, light is quantised and consists of particles. These particles can be described by waves, however.

This is what quantum mechanics is all about (a quantum being a single unit of something, for example a photon is a quantum of light).

If you want direct evidence that light is quantised, read up on the photoelectric effect.
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You have to quantise stuff to be able to measure it usefully, but they are still waves travelling through a medium with the characteristics of particles with no mass.
 
Radiation said:
You have to quantise stuff to be able to measure it usefully, but they are still waves travelling through a medium with the characteristics of particles with no mass.
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Light can be described by a wave. All particles can in fact; even a tenis ball has wave-like properties, though they're immeasurably small due to its mass.

Fundamentally, however, light is quantised – this isn't just how we've chosen to think of light, it's just what light is. Get used to it.
 
no, everything is made from particles that exhibit wave like characteristics, http://en.wikipedia.org/wiki/Wave_particle_duality even 'large' objects such as fullerene have been shown to have diffraction patterns, dispite the fact that it is a collection of particles. I think there is a theory that says every object will have wave properties, but this hasn't been tested on anything larger than the above. (i got that bit from the wiki, so i am not sure if it is correct.)
 
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