On Mon, 23 Feb 2009 09:23:32 -0800, "kiloVolts"
mantrap@4u3t7s0s5A6s1e7F3G6rH3h5d4q3a3s2aX7A2D5y6 j1z.com wrote:
Dimensional analysis
Which you completely avoid using any knowledge of, in the rest of your
post. Making me wonder if you have EVER attempted to use dimensional
analysis of any kind for any purpose, at all.
I doubt you can provide a few good examples of why it is of any use,
of your own creation and where I cannot find the exact example
provided on the web, already, nearly quoted verbatim from you.
yields an understanding of the power density of the Sun.
Not really. In fact, I have no idea why you imagine so. And the rest
of your post doesn't use dimensional analysis for any purpose. So it
appears you are just bandying phrases about which you are completely
and totally clueless.
All of the power generated within the Sun is radiated from the
photosphere, whose area scales as the radius of the Sun, which scales as
4*Pi*R^2 while the volume scales as 4/3*Pi*R^3.
So, let's see. You are able to quote basic gemoetry equations. Well,
at least you can do the same thing that a 12 year old can do.
Hence, the power density of
the Sun per unit volume or per unit mass, scales as 3/R.
You mean you just discovered the idea of dividing the area of a sphere
by its volume? Wow.
Well, this may be a good time to let you know that if you do this for
other geometric shapes found in 3D rectilinear manifolds, that you
will find a sphere presents a minimal surface area to volume ratio.
I'm glad you are learning some geometry.
From a human perspective,
Since you are decidedly inhuman, I can't say why you'd try and speak
for the us.
since the radius of the Sun R, is almost infinite,
Yes, you being like the Hottentotts and other primitive tribes of
yesteryear, find that anything more than 3 is "many" or "uncountable."
So it all looks like "infinite" to you, I'm sure.
the power density per unit mass is infinitesimal.
If only you were actually capable of putting two numbers together into
a fraction and understanding even that much alone, you might come to a
different conclusion.
Sadly, you are so uneducationed and incompetent that we can't even
expect you to manage this tiny ratio in your feeble mind. Too bad.
Besides making the logical mistake of conflating volume with mass, you
got this all wrong.
In fact, when the Sun is active,
Hehe. And I'm sure you feel that when the sun sets at night, that it
is no longer active. Oh, well. Much, much work to do educating you.
the power density of the Sun
There is that phrase you don't understand, again.
is less than that of the human body:
http://en.wikipedia.org/wiki/Sun
Well, at least you can find "Sun" on wiki. I could wonder, at times.
The power density of the Sun per unit mass could go from infinitesimal of
zero
Your educational state actually predates early Greek culture. Zeno
would know better.
and we would not notice,
I see. And so you conclude the sun doesn't matter. Well, at least we
don't have to argue with you about the sun causing global warming.
because we are mortal.
Yes, your powerful, decisive point. Everything else you wrote flows
inevitably from this one, sole, important fact that you've noticed.
"We are mortal, therefore the sun cannot be noticed."
Sometimes, I just stare and marvel at how you might have come to be.
Then I realize you are the old Eliza program with web crawling added
and it all makes sense, again.
Jon
--
Religion makes its living by first wounding children and then
tending their injuries.