Quinta-feira, 18 de Agosto de 2011

Vou p'áqui, acho...

 

 

 

Daqui

 

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publicado por quaerendoinvenietis às 17:33
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Segunda-feira, 15 de Agosto de 2011

Toda a música começou assim e é tão bom!

 

 

 

 

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publicado por quaerendoinvenietis às 18:29
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Domingo, 14 de Agosto de 2011

"It's a lonely time ahead"

 

 

 

 

 

Daqui

 

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publicado por quaerendoinvenietis às 12:44
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Terça-feira, 9 de Agosto de 2011

The metaphor - "resembles something that as not ocurred"

 

 

 

 

From sense

 

"I wish I were the night so that I might watch your sleep with a thousand eyes"

 

to reference

 

"In order to speak of the sense of an expression 'A' one may simply use the phrase 'the sense of the expression "A"'. In reported speech one talks about the sense, e.g., of another person's remarks. It is quite clear that in this way of speaking words do not have their customary reference but designate what is usually their sense. In order to have a short expression, we will say: In reported speech, words are used indirectly or have their indirect reference. We distinguish accordingly the customary from the indirect reference of a word; and its customary from its indirect sense. The indirect reference of a word is accordingly its customary sense. Such exceptions must always be borne in mind if the mode of connexion between sign, sense, and reference in particular cases is to be correctly understood.

The reference and sense of a sign are to be distinguished from the associated idea. If the reference of a sign is an object perceivable by the senses, my idea of it is an internal image, arising from memories of sense impressions which I have had and acts, both internal and external, which I have performed. Such an idea is often saturated with feeling; the clarity of its separate parts varies and oscillates. The same sense is not always connected, even in the same man, with the same idea. The idea is subjective: one man's idea is not that of another. There result, as a matter of course, a variety of differences in the ideas associated with the same sense. A painter, a horseman, and a zoologist will probably connect different ideas with the name 'Bucephalus'. This constitutes an essential distinction between the idea and the sign's sense, which may be common property of many and therefore not a part of a mode of the individual mind. For one can hardly deny that mankind has a common store of thoughts which is transmitted from one generation to another.

In light of this, one need have no scruples in speaking of the sense, whereas in the case of an idea one must, strictly speaking, add to whom it belongs and at what time. It might perhaps be said: Just as one man connects this idea, and another that idea, with the same word, so also one man can associate this sense and another that sense. But there still remains a difference in the mode of connexion. They are not prevented from grasping the same sense; but they cannot have the same idea. Si duo idem faciunt, non est idem. If two persons picture the same thing, each still has his own idea. It is indeed sometimes possible to establish differences in the ideas, or even in the sensations, of different men; but an exact comparison is not possible, because we cannot have both ideas together in the same consciousness.

(...)

The fact that we concern ourselves at all about the reference of a part of the sentence indicates that we generally recognize and expect a reference for the sentence itself. The thought loses value for us as soon as we recognize that the reference of one of its parts is missing. We are therefore justified in not being satisfied with the sense of a sentence, and in inquiring also as to its reference. But now why do we want every proper name to have not only a sense, but also a reference? Why is the thought not enough for us? Because, and to the extent that, we are concerned with its truth value. This is not always the case. In hearing an epic poem, for instance, apart from the euphony of the language we are interested only in the sense of the sentences and the images and feelings thereby aroused. The question of truth would cause us to abandon aesthetic delight for an attitude of scientific investigation. Hence it is a matter of no concern to us whether the name 'Odysseus', for instance, has reference, so long as we accept the poem as a work of art. It is the striving for truth that drives us always to advance from the sense to the reference."

 

 

(obrigado à João pelo JLB)

 


publicado por quaerendoinvenietis às 01:47
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A cry from the heart

 

 

 

 

(Este é o som que as estrelas fazem quando paramos para pensar nelas)

 

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publicado por quaerendoinvenietis às 00:20
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Segunda-feira, 8 de Agosto de 2011

Esta música fala da sua própria estrutura

 
 
 
 
 
 
 

publicado por quaerendoinvenietis às 23:56
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Sexta-feira, 5 de Agosto de 2011

"Nothing matters when we're dancing"

 

 

 

 

 

Daqui

 


publicado por quaerendoinvenietis às 23:50
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Checking for bubbles

 

 

Many modern theories of fundamental physics predict that our universe is contained inside a bubble. In addition to our bubble, this `multiverse’ will contain others, each of which can be thought of as containing a universe. In the other 'pocket universes' the fundamental constants, and even the basic laws of nature, might be different.

Until now, nobody had been able to find a way to efficiently search for signs of bubble universe collisions - and therefore proof of the multiverse - in the CMB radiation, as the disc-like patterns in the radiation could be located anywhere in the sky. Additionally, physicists needed to be able to test whether any patterns they detected were the result of collisions or just random patterns in the noisy data.

A team of cosmologists based at University College London (UCL), Imperial College London and the Perimeter Institute for Theoretical Physics has now tackled this problem.

“It’s a very hard statistical and computational problem to search for all possible radii of the collision imprints at any possible place in the sky,” says Dr Hiranya Peiris, co-author of the research from the UCL Department of Physics and Astronomy. “But that’s what pricked my curiosity.”

The team ran simulations of what the sky would look like with and without cosmic collisions and developed a ground-breaking algorithm to determine which fit better with the wealth of CMB data from NASA’s Wilkinson Microwave Anisotropy Probe (WMAP). They put the first observational upper limit on how many bubble collision signatures there could be in the CMB sky.

Stephen Feeney, a PhD student at UCL who created the powerful computer algorithm to search for the tell-tale signatures of collisions between "bubble universes", and co-author of the research papers, said: "The work represents an opportunity to test a theory that is truly mind-blowing: that we exist within a vast multiverse, where other universes are constantly popping into existence."

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publicado por quaerendoinvenietis às 23:34
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Quinta-feira, 4 de Agosto de 2011

"throwing spear"

 

http://www.sl.nsw.gov.au/discover_collections/history_nation/terra_australis/education/bennelong/trial_bradley_text.html

 

These developments marked a major turning point in the evolution of lethal intergroup violence and in the character of interrelations between neighboring groups. Although fitness continued to be related to territory size (for food-limited populations in occupied environments), selective circumstances no longer favored aggression as a means of achieving territorial gain. Conflict avoidance and the development of intergroup relations of friendship, mutuality, sharing, and cooperation were favored instead. Intragroup cooperation was elaborated in conjunction with the teamwork entailed by large game hunting and was further reinforced by mechanisms for sharing large animals jointly killed by a hunting party. Development of these practices provided a template for establishing positive relations between neighboring social groups that could readily be realized when two bands temporarily camped and hunted together. Conflict avoidance dictated that groups move apart to alleviate resource competition whenever possible. This response to crowding facilitated migration out of Africa into the temperate and subtropical zones of Europe and Asia, vastly expanding the geographic distribution of H. erectus. In other words, the development of the throwing spear altered the means of production as well as the social relations of production, distribution, and consumption within groups in fundamental ways that also transformed intergroup relations and influenced subsequent hominid evolution.

This period of Paleolithic warlessness, grounded in low population density, an appreciation of the benefits of positive relations with neighbors, and a healthy respect for their defensive capabilities, lasted until the cultural development of segmental forms of organization engendered the origin of war. This organizational transformation facilitated the mobilization of all adult male group members and their participation in preplanned dawn raids on settlements in which the tactical advantages of surprise and numerical superiority could be brought to bear. At this juncture, the unit involved in combat is a raiding party (a military organization) rather than a hunting party (an economic organization), and the location of combat shifts from the border zone to the sleeping quarters at the core of a group's territory. At the same time, the intrinsic military advantage shifts from defenders to attackers. All of the attackers are combatants, whereas less than half of those under attack are armed. Attackers characteristically inflict numerous casualties while suffering few or none. This outcome is a consequence of weaponry amplifying the advantages of surprise and numerical superiority.

(...)

The evolution of lethal intergroup violence thus encompasses three major periods: (i) the era of coalitionary killing, (ii) the era of intrinsic defensive advantage, and (iii) the era of war. An advance in weapons technology (the javelin-like throwing spear) engenders the first transition, whereas an advance in military organization and tactics produces the second. The decisive significance of these factors is expectable in light of what we know from recorded military history. However, the duration of the first two eras extends over hundreds of thousands of years. The protracted character of these eras is consistent with the slow pace of technological and organizational change during the Paleolithic period.

 


publicado por quaerendoinvenietis às 21:37
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