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  • 1
    Electronic Resource
    Electronic Resource
    T Coronæ Borealis (1946)
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 414-414 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE recent outburst of the ex-nova, T Coronæ Borealis, first reported on February 91, when its magnitude was estimated to be 3.4, as against 11.3 during the immediately preceding epoch2, has been observed at Sidmouth on three occasions only, owing to unfavourable ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/157414c0
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  • 2
    Electronic Resource
    Electronic Resource
    The ‘Green Flash’ at Sunset with a near ‘Horizon’ (1945)
    [s.l.] : Nature Publishing Group
    Nature 156 (1945), S. 146-146 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is frequently assumed that the phenomenon of the ‘green flash’ can be observed only when the sun is seen to rise, or to set behind a distant land- or sea-horizon. That such is not the case, the following report of a recent naked-eye observation will confirm. At 20h. 12m.?.t. on June ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/156146b0
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  • 3
    Electronic Resource
    Electronic Resource
    Chronometric Observations of the Song of Fringilla cœlebs Linn. (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 277-278 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the 1946 breeding season of the common chaffinch (Fringilla cœlebs L.), 5,468 observations were obtained of the song interval, that is, the time taken by the cock bird to utter his characteristic sequence of notes1. A split-second hand chronometer was used to record the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161277b0
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  • 4
    Electronic Resource
    Electronic Resource
    Seasonal Variations of Avian and Human Metabolic Activity in Relation to the Daylight/Darkness Ratio (1963)
    [s.l.] : Nature Publishing Group
    Nature 197 (1963), S. 776-778 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR the past three decades it has been known from tho work of N. Rollin1 and others that the dawn song of many different species of passerine birds is subject to wide fluctuation of the timo of onset for individual birds within each group. Nevertheless, by examining the results for each spocios ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/197776a0
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  • 5
    Electronic Resource
    Electronic Resource
    Polarization of the Integrated Light of Comet Arend-Roland, 1956 h (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 760-761 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The correct position angle of the polarizing filter was determined visually by a preliminary observation of the comet, and the filter was rotated through 90 between the successive exposures, which were given separately on Kodak O 800 plates. It had been intended to give an exposure time of 2 hr. in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/181760b0
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  • 6
    Electronic Resource
    Electronic Resource
    Silver Bubbles and Films (1928)
    [s.l.] : Nature Publishing Group
    Nature 122 (1928), S. 55-56 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT may be of interest to record a phenomenon observed in the course of an experiment on the properties of ‘sputtered’ silver films. On the passage of a discharge through the sputtering tube, it was noticed that numerous ‘globules’ of varying sizes—some transparent, others iridescent—made their ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/122055a0
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  • 7
    Electronic Resource
    Electronic Resource
    Apparent Solar Control of the Effective Capacity of A 110-V. 170 Ah Lead-Acid Storage Battery in an 11-Year Cycle (1962)
    [s.l.] : Nature Publishing Group
    Nature 195 (1962), S. 684-687 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN March 1914 a Tudor storage battery of 60 cells- each of 170 Ah nominal capacity-was installed at the Norman Lockyer Observatory to supply direct current for lighting and instrumental control. The cells are housed within a stone-walled building, with asbestos-tiled roof, the windows of which on ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/195684a0
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  • 8
    Electronic Resource
    Electronic Resource
    Sky Darkening Associated with a Severe Thunderstorm (1938)
    [s.l.] : Nature Publishing Group
    Nature 142 (1938), S. 359-359 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT may be of interest to record some observations made here of the abnormal degree of sky darkening associated with a very severe thunderstorm which affected a large area of south-west England during the morning and early afternoon of Thursday, August 4, 1938. Observations of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/142359b0
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  • 9
    Electronic Resource
    Electronic Resource
    Light of the Night Sky and Terrestrial Magnetism (1941)
    [s.l.] : Nature Publishing Group
    Nature 148 (1941), S. 88-89 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTERNATIVE theories1 that seek to explain the mechanism of the selective emission forming the principal component of the night-sky spectrum postulate solar excitation as the primary cause. On this premise the initial ionization of the gas molecules (O2, N2) that are known to exist in the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/148088a0
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  • 10
    Electronic Resource
    Electronic Resource
    Origin of Upper-Atmosphere Lithium Atoms responsible for the New Twilight Airglow at 6708 A. (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 384-384 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In a further communication, Barbier, Delannoy and Weill3 estimate the ratio of the number of neutral atoms of lithium to those of sodium at the level of twilight emission, taking into account the very different energy of the exciting solar radiation at 5893 A., and 6708 A. respectively. From an ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/183384a0
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