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Anthropic principle, mulitverse and God

 
 
IFeelFree
 
  1  
Reply Sun 29 Jul, 2007 01:51 am
Setanta wrote:
rosborne979 wrote:
Steve 41oo wrote:
there is no obvious or easy alternatives to satisfy our insatiable demand for energy.

There are other alternatives. They just aren't as cost effective within our present structure.

But as the cost of oil goes up, the economic cost equation will change.


This is borne out by our experiences already. The "oil shales" and "oil sands" of Alberta and Saskatchewan were considered not to be worth the effort or the cost 30 years ago. Now, both provinces, but especially Alberta are booming because the cost of middle eastern crude has reached a level at which the cost of extraction of the low grade crude from oil sands has become attractive.

Unfortunately, oil shale has to be dug out in strip mining and heated with hot water or steam to separate out the oil. As a result, oil shale production creates a lot more greenhouse gases than conventional oil drilling, uses huge quantities of water, and requires massive energy inputs, reducing the energy returned for energy input. It uses up large amounts of natural gas and is environmentally hazardous. There appear to be limits to the rate at which we can mine the oil due to the availability of resources and the ability to dispose of waste safely. Some people within the oil industry are doubting whether the oil sands will ever be able to make a serious dent in the oil depletion problem. It will be interesting to see how the Canadian government will balance economic and environmental concerns.
0 Replies
 
Steve 41oo
 
  1  
Reply Sun 29 Jul, 2007 04:10 am
Extraction of energy from the ground is unlike extraction of non energy minerals.

As coal seam gets harder to work or the oil more difficult to extract, you're putting more energy in to get less energy out. Of course as the price of coal or oil goes up, old seams or unproductive wells may experience a new lease of life. But its limited. Eventually the ratio of energy in to energy out falls to unity or less, and you've got an energy sink not an energy well.

The problem we face is that the easy oil is nearly gone. (Exactly when that will happen is the probably the most contentious issue of our time, although its hardly talked about in polite circles...no one wants to scare the horses it seems to me...we'll probably only know when we've passed peak some while after).

We've become used to conventional oil from wells which give a fantastic return in energy terms.

Nothing comes close to the hit we have got used to from "easy oil", especially for transport.
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JLNobody
 
  1  
Reply Sun 29 Jul, 2007 01:51 pm
We are not entering the area of expertise of Farmerman. Where is he when we need him?
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echi
 
  1  
Reply Tue 31 Jul, 2007 12:17 pm
bm
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toivowillmann
 
  0  
Reply Mon 16 Apr, 2012 06:23 am
@IFeelFree,
Strings May Be 11-Bit Digital Data Registers

* According to M-/String-Theory, Strings are the smallest structures that exist, even smaller than electrons or quarks.
* The have 11 dimensions.
* 4 of them are true space dimensions, the others are “turned” around themselves and therefore seem to exist only at sub-atomic level. In mathematic speaking dimensions always are orthogonal. In a true Euclidian space this means that they are separated from each others by true right (90°) angles. In a curved/bent space this is different. Here orthogonal only means only that they are completely independent.
* Strings vibrate. There vibration patterns have therefore 11 independent components, according to the11 dimensions of a String.
* Their vibration spectra are continuous or are they discrete, like in Quantum Mechanics? Strings have their name, because they behave like any guitar string. Vibrations of a guitar string is a static wave with the and a frequency ۷ wave length λ. If we call string length x, then the to the lowest possible frequency ۷ (1) corresponds a longest possible wave length
λ(1) = 2* x or λ(1)/2 = x.
Other possible frequencies have to be products of the multiplication of ۷ (1) with an Entire Number (n = 1,2,3,4, etc. …).
So the concept of string implicates that their frequency spectra are all discrete, being
۷ (n) =۷ (1) * n
* How many frequencies there may exist? An infinite number?
Infinity of frequencies would mean that the highest one would be infinite, too. Therefore its wavelength would be infinitely small. It should make some sense to suppose that the dogma of Quantum Mechanics that nothing can be infinitely small is valid in M-/String Theory, too. So there cannot be an infinity of frequencies possible, but only a restricted number of them, due to a smallest possible wave length.
* Which would be the smallest wave length? As until today it was impossible to put Strings as target into a particle accelerator and to measure smallest possible lenght, smashing and fragmenting them, we have to create a supposition about it that makes sense.
I suppose the smallest length possible is that of String itself. Then the smallest wave length possible would be
x = λ(2) = λ(min.)
being ۷ (n) ≡1/ λ(n) and۷ (n) =۷ (1) * n therefore x = λ(1)/2 = 2*x/2
In each of 11 dimensions then there should be only possible 2 frequencies/ wave lengths: ۷ (1) with λ(1) = 2* x
and ۷ (2) with λ(2) = x
* If it were truth that Strings may only vibrate in 2 frequencies in each of its dimension, them we may substitute them by binary numbers: ۷ (1) = “0” and ۷ (2) = “1”
and Strings would become 11 bit digital data registers.
* Somebody may ask: “and what about frequency 0 = no vibration at all?” If a String would be able to rest completely in any of its dimensions, there should be possible a String that does not vibrate at all in every of its 11 dimensions. As vibration means energy and Strings are made of energy, such a string would not have energy at all and therefore be reduced to “nothing”.
There should not be possible a state of complete absence of vibration in any dimension.
* According to the ideas, demonstrated above, Strings, with their vibration pattern do not form a “cosmic symphony” but an intelligent structure like a computing program, capable to process information.
We all live within a virtual reality called ”Universe”.

I am a Ph.D. of Chemistry, not of Theoretical Physics. Therefore I beg your pardon, if anything in my text would not be so perfect and professional, you might expect. Nevertheless I think it’s all quite logical.

Yours truly:

Dr. Toivo Willmann
0 Replies
 
 

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