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  • 1
    Electronic Resource
    Electronic Resource
    Ball Lightning (1969)
    [s.l.] : Nature Publishing Group
    Nature 224 (1969), S. 895-895 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The observation was remarkable for the following reasons, (i) The appearance of the phenomenon in an almost totally screened environment; (ii) the relative velocity of the ball to that of the containing aircraft was 1.5+ 0.5 m s-1, typical of most ground observations; (iii) the object seemed ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/224895a0
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  • 2
    Electronic Resource
    Electronic Resource
    Can Ball Lightning Exist in a Vacuum? (1973)
    [s.l.] : Nature Publishing Group
    Nature 245 (1973), S. 95-95 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I have been within 50 cm of ball lightning in its smooth and unerring passage through an aircraft2,3. I carried a penknife in my trouser pocket, a steel tobacco tin in my left jacket pocket and a steel screwdriver in my right jacket pocket. No motion of these objects was detected although they were ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/245095a0
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  • 3
    Electronic Resource
    Electronic Resource
    Ball Lightning and After-images (1971)
    [s.l.] : Nature Publishing Group
    Nature 230 (1971), S. 576-576 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] No one will deny the existence of after-images and most people have experienced them on several occasions, but afterimages which appear to more than one differently sited observer to have precisely the same form and to travel the same path; which clearly emerge from doorways, are occulted by nearby ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/230576a0
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  • 4
    Electronic Resource
    Electronic Resource
    Spectral Variations of the Structure of the Radio Sources Cassiopeia A and Cygnus A (1965)
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 740-741 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Cassiopeia A. The approximate circular symmetry of the Cassiopeia A source was determined by Jennison and Das Gupta3 at 125 Mc/s. Later phase-sensitive measurements by Jennison and Latham4'5 at 127 Mc/s showed that the diameter of the source in position angle 90 was 4-1 min arc, that the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/207740a0
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  • 5
    Electronic Resource
    Electronic Resource
    Ray Paths in a Rotating System (1963)
    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 739-741 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE transverse Doppler effects associated with the rotation of a source and an absorber have been examined using the Mossbauer effect1 and the principles are well understood2. The entire situation may be expressed in terms of an inertial frame where the light paths are straight, and the light paths ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/199739a0
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  • 6
    Electronic Resource
    Electronic Resource
    Red-Shift Absorption Spectrum of the Cygnus- A Radio Source (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 803-804 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The present measurement was made with a hydrogen-line receiver in conjunction with the 250-ft. radio telescope at Jodrell Bank. The receiver employed a first local oscillator which was rapidly switched between two frequencies 6 Mc./s. apart and a synchronized output detector which measured the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/184803b0
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  • 7
    Electronic Resource
    Electronic Resource
    Apparent Angular Sizes of Discrete Radio Sources: Observations at Jodrell Bank, Manchester (1952)
    [s.l.] : Nature Publishing Group
    Nature 170 (1952), S. 1061-1063 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE existence of discrete sources of extra-JL terrestrial radio-frequency radiation is now well established1'2 and the positions of more than one hundred sources have been published3'5. Attempts to identify these sources with any particular class of visual object have so far failed, and the origin ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1701061a0
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  • 8
    Electronic Resource
    Electronic Resource
    Fine Structure of the Extra-terrestrial Radio Source Cygnus I (1953)
    [s.l.] : Nature Publishing Group
    Nature 172 (1953), S. 996-997 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The investigation has been made on a frequency of 125 Mc./s. with an interferometer which has been described elsewhere1'4'5. It measures the variation of the correlation function p2 with the aerial separation in terms of wave-lengths (JV), where and F sin ty and F cos ty are the sine and cosine ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/172996a0
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  • 9
    Electronic Resource
    Electronic Resource
    Reflection from a transversely moving mirror (1974)
    [s.l.] : Nature Publishing Group
    Nature 248 (1974), S. 660-661 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FIG. 1 The arrangement for synchronising the display from a Michelson interferometer in order to investigate any frequency shift in light reflected from a transversely moving surface. A rotating mirror, supported by an air bearing, is in one arm of a Michelson interferometer. The other arm has a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/248660a0
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  • 10
    Electronic Resource
    Electronic Resource
    Improved Limit on the Absence of Dispersion of the Velocity of Light (1969)
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 546-546 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-The correspondence from Isaak and Synge (Nature, 223, 161; 1969) demonstrates the deplorable expanding gulf between the army of mathematical relativists and the relatively few experimentalists who still dare to contribute to this field. It is a brave experimentalist who would venture into the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/223546c0
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