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Old 10-26-2012, 07:31 PM
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Default Re: A revolution in thought

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Originally Posted by LadyShea View Post
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Originally Posted by peacegirl View Post
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Originally Posted by LadyShea View Post
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Originally Posted by LadyShea View Post
Sound is interpreted from differences in pressure as they hit the receptors in the ear. Sound travels slower than light travels. That is why you can often see something before you can hear it. The light travels many times faster than the sound.
So if that's true then why can't we see an airplane before we hear the sound? Explain this to me LadyShea without weaseling as you are constantly accusing me of doing.
We can absolutely see a plane before we hear the sound if we are looking at the planes flight path at the moment it comes into view. If you know where and when to look, you will see it first, every time.

If we aren't looking at the sky or don't know exactly where to look, we would probably hear the sound first.
That is not true LadyShea. We hear planes before we ever see them, even if we know where to look. You are wrong.
You are wrong, not me. Demonstrably wrong. I spent my summers near the Naval weapons testing center and saw jets every day, I grew up outside the Air Force Academy and so have seen the Thunderbirds many times, lived in the flight path of one of the busiest airports in the world for over a decade, and have seen the Blue Angels fly as well. Planes can even fly faster than sound travels, so even without the speed of light being the factor it is, you could easily see them before you hear them in many circumstances.
If the plane is reflecting light, we should see airplanes at far distances before we ever hear them in every single circumstance.

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Originally Posted by LadyShea
Sometimes they are already past you and out of your range of vision before you hear them. Sometimes you can hear them but they are too far away because of high altitude to see them.
Isn't that the point I'm making? If light is traveling so fast, altitude wouldn't even be a factor. The light would be traveling so fast that it would strike our eyes before the sound strikes our ears, but this is not what occurs. The reason we hear the airplane and don't see it is because the airplane is too far away, or is out of our visual range because it's too small to be seen at that distance.

Quote:
Originally Posted by LadyShea
Some sounds can be heard from further away than we can see the source of the sound (a loud owl), or the source of the sound is obstructed or too small to to see, so there are circumstances where we hear but don't see.
I'm not talking about obstructions where it's obvious that we wouldn't be able to see the source. I'm talking about a clear path to our eyes, and we still hear the sound before we see where the source of the sound is coming from.
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