Whistles from Arizona

1951 ◽  
Vol 16 (3) ◽  
pp. 256-256 ◽  
Author(s):  
A. V. Kidder
Keyword(s):  
Sharp Edge ◽  
Large Species ◽  
Loose Sand ◽  
White House ◽  
Basket Maker ◽  
As If

The two specimens here illustrated (Fig. 83) were found in 1925 by E. H. Morris and the writer in a cave opposite and a little above the White House, Canyon de Chelly, Arizona. They lay together about 50 cm. deep in loose sand. They are doubtless Anasazi, but as no other artifacts were found in association it is uncertain whether they are of Basket Maker or Pueblo manufacture. Made from bird bones, apparently ulnae of a large species, they are of identical workmanship, the ends cut squarely across, the shafts polished as if from long handling. The ends of each one's single oval perforation are sharply edged. Directly below the perforation is a little mound of a dark brown, gummy substance, troughed lengthwise (Fig. 84). This throws trough-canalized air, blown from either end, up against the sharp edge at the opposite end of the perforation, producing a shrill whistling note.

An experiment on dispersion

1933 ◽  
Vol 29 (3) ◽  
pp. 417-422
Author(s):  
R. C. Evans
Keyword(s):  
White Light ◽  
Visible Spectrum ◽  
Anomalous Dispersion ◽  
The Other ◽  
Sharp Edge ◽  
Light Spectrum ◽  
Minimum Deviation ◽  
Other Hand ◽  
As If

In the spectrum formed by a grating the red is more deviated than the blue, while in that formed by a prism, which does not exhibit anomalous dispersion in the visible spectrum, the reverse is the case. If, then, white light is passed first through a grating and then through a prism, the nature of the spectrum produced will depend on the relative dispersions of the grating and prism. If throughout the spectrum the dispersion of the prism is less than that of the grating, the sequence of colours will be the same as that in the spectrum due to the grating alone, red being more deviated than blue. If, on the other hand, the dispersion of the prism is throughout the spectrum greater than that of the grating, the sequence of colours will be reversed. On account of the rapid increase in the dispersion of glass near the blue end of the spectrum, it may, however, be possible that the dispersion of the prism exceeds that of the grating in the blue while in the red the reverse is the case. Under these conditions both red and blue will be more deviated than some intermediate colour for which the dispersions of the grating and prism are equal. The spectrum will thus have a sharp edge of this colour at the end of minimum deviation, while in the direction of greater deviation it will at each point consist of two superimposed colours. It is as if an ordinary white light spectrum was folded back on itself about the sharp edge.

Poetosphere and mythopoetics of the estate in A.A. Blok’s dramatic poem “Song of Fate”

2020 ◽  
pp. 186-205
Author(s):  
Ekaterina V. Kuznetsova ◽  
Keyword(s):  
Russian Literature ◽  
Open Spaces ◽  
White House ◽  
Modern City ◽  
The Past ◽  
The World ◽  
The Creation ◽  
Xix Century ◽  
The Hill ◽  
As If

As it noted by the researchers, the “Song of fate” accumulates painful thoughts of A.A. Blok about the fate of Russia and about his personal fate associat ed with the past, present and future of the Motherland. In addition to the ideological problems raised in it, the poem is interesting in an attempt to escape from the specifics of historical and national-cultural realities through their symbolization, combining the plans of life and being. The white house with a garden on the hill, in which the action of the play begins and the return to which is implied at the end, incorporates the most important features of Russia as a cultural, natural and spiritual space. The world of the estate is opposed by the space of the modern city and the big world of Russian open spaces. However, the estate for Blok is Russia the same. Therefore, Elena, the keeper of the estate, and Faina, the personalization of the world element, are two parts of one whole, as if the projection of an ideal Russia. The plot of the “Song of fate”, accord ing to D.M. Magomedova, I.S. Prikhodko, etc., is an artistic realization of the Gnostic myth of the captive Sophia, the Soul of the world. The imposition of the Gnostic myth in the “Song of fate” on the entire existing in Russian literature of the XIX century poetosphere of the estate leads to the creation of the author’s myth about Russia, the transformation of poetosphere in the mythopoetics.

Weapons of mass destruction

Pragmatics ◽  
2004 ◽  
Vol 14 (4) ◽  
pp. 499-525 ◽  
Author(s):  
Philip W. Rudd
Keyword(s):  
Noun Phrases ◽  
Political Rhetoric ◽  
Weapons Of Mass Destruction ◽  
The Political ◽  
Mass Destruction ◽  
White House ◽  
Political Left ◽  
The Media ◽  
Political Temperament ◽  
As If

The polemics of political rhetoric encourage the implementation of presupposed referents as though they were assumed and shared. This paper examines the presupposed referents employed by the White House, concerning the urgency of invading Iraq, and countered by the political left. Details indicate that the White House was endeavoring to build an undeniable argument for invasion. Consequently, they had to employ definite noun phrases as first mentions of previously unshared referents in order to achieve the hidden didactic goal of pre-empting counter arguments. The Democrats, the liberals, and the media had to endeavor to overcome such presuppositions and explain that addressees neither shared nor identified the assumed referents. Appeals to fear and epistemological assessment are also examined. Insights from the analysis suggest that, given the conducive political temperament of the country prior to the November 2002 mid-term elections, forestalling argumentation by implementing definite noun phrases as if they were previously shared referents is highly efficacious.

Edge Penetration Effects in the Low-Loss Electron Image in the SEM

1988 ◽  
Vol 46 ◽  
pp. 202-203
Author(s):  
Oliver C. Wells
Keyword(s):  
Electron Microscope ◽  
Scanning Electron Microscope ◽  
Beam Energy ◽  
Secondary Electron ◽  
Sharp Edge ◽  
Beam Diameter ◽  
Low Loss ◽  
Additional Information ◽  
Electron Image ◽  
Scanning Electron

The low-loss electron (LLE) image in the scanning electron microscope (SEM) is useful for the study of uncoated photoresist and some other poorly conducting specimens because it is less sensitive to specimen charging than is the secondary electron (SE) image. A second advantage can arise from a significant reduction in the width of the “penetration fringe” close to a sharp edge. Although both of these problems can also be solved by operating with a beam energy of about 1 keV, the LLE image has the advantage that it permits the use of a higher beam energy and therefore (for a given SEM) a smaller beam diameter. It is an additional attraction of the LLE image that it can be obtained simultaneously with the SE image, and this gives additional information in many cases. This paper shows the reduction in penetration effects given by the use of the LLE image.

Improvement of an artificial test substrate technique for evaluation of em immunocytochemical labeling

1987 ◽  
Vol 45 ◽  
pp. 762-763
Author(s):  
G. D. Gagne ◽  
M. F. Miller
Keyword(s):  
Bovine Serum Albumin ◽  
Serum Albumin ◽  
Bovine Serum ◽  
Artificial Substrate ◽  
Chemical Fixation ◽  
As If

We recently described an artificial substrate system which could be used to optimize labeling parameters in EM immunocytochemistry (ICC). The system utilizes blocks of glutaraldehyde polymerized bovine serum albumin (BSA) into which an antigen is incorporated by a soaking procedure. The resulting antigen impregnated blocks can then be fixed and embedded as if they are pieces of tissue and the effects of fixation, embedding and other parameters on the ability of incorporated antigen to be immunocyto-chemically labeled can then be assessed. In developing this system further, we discovered that the BSA substrate can also be dried and then sectioned for immunolabeling with or without prior chemical fixation and without exposing the antigen to embedding reagents. The effects of fixation and embedding protocols can thus be evaluated separately.

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