On the Non-Simultaneity of Suddenly Beginning Magnetic Storms

Faris, R. L.

doi:10.1038/087078a0

Cited by 3 publications

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“…Chree also published a paper of a similar discussion (Chree, 1911). Faris soon published a paper defending Bauer (Faris, 1911a), but this led to Birkeland (1867Birkeland ( -1917 writing two more papers favoring Chree (Birkeland, 1911a, b).…”

Section: Criticism By Other Scientistsmentioning

confidence: 99%

Early history of sudden commencement investigation and some newly discovered historical facts

Sano

Nagano

2021

Hist. Geo Space. Sci.

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Abstract. The history of the research on the SC (sudden commencement) of magnetic storms before World War II is studied in this paper. Since geomagnetic research activities before World War II are still not yet fully known, this paper aims to reveal some historical facts related to SC investigation at that time. The first conclusion of this paper is the possible first discoverer of the simultaneity of SC at distant locations. We show that a Portuguese scientist had already pointed it out 16 years earlier than believed. The second conclusion is the role and activities of Aikitu Tanakadate as the reporter of the SC investigation committee of STME (Section of Terrestrial Magnetism and Electricity) and IATME (International Association of Terrestrial Magnetism and Electricity) in the IGGU (International Geodetic and Geophysical Union) or IUGG (International Union of Geodesy and Geophysics). Very little was known about his activities as the reporter of this committee. Our investigation at the Tanakadate Aikitu Memorial Science Museum disclosed how he acted and what he thought of SC, based on his frequent letters to and from other scientists. The third conclusion concerns SC research carried out by Japanese scientists during the period of the Second International Polar Year (1932–1933). Not only Tanakadate but also many other Japanese scientists participated in SC research during this international project. This formed a traditional basis of SC investigation in Japan, prompting a number of Japanese scientists to study SC after World War II.

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Section: Criticism By Other Scientistsmentioning

confidence: 99%

Early history of sudden commencement investigation and some newly discovered historical facts

Sano

Nagano

2021

Hist. Geo Space. Sci.

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“…The stereoscopic 3D display is based on a method using polarization system to separate the left and right images with different polarization. [5][6][7][8] As one of examples 3D LCD display using patterned retarder array is presented. The principle of this display is based on an autostereoscopic mode by using a series of stacked micropolarizer elements, which have to be exactly placed on matching with LCD pixel, to create a parallax barrier.…”

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Polarization Imaging Screen Using Vector Gratings Fabricated by Photocrosslinkable Polymer Liquid Crystals

Ono

Wada

Kawatsuki

2012

Jpn. J. Appl. Phys.

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We demonstrate a polarization imaging screen using vector gratings by ultraviolet laser direct writing of polarized-light-induced optical anisotropy in photocrosslinkable polymer liquid crystals. For realizing a polarization-sensitive diffraction in the image screen, spatial distribution of the optical anisotropy has been designed, and the right- and left-hand side circularly polarized optical image are clearly reconstructed as the +1st- and -1st-ordered diffraction according to the theoretical expectation.

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1911

Terr Magneti and Atmo Electr

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On the Non-Simultaneity of Suddenly Beginning Magnetic Storms

Cited by 3 publications

References 0 publications

Early history of sudden commencement investigation and some newly discovered historical facts

Early history of sudden commencement investigation and some newly discovered historical facts

Polarization Imaging Screen Using Vector Gratings Fabricated by Photocrosslinkable Polymer Liquid Crystals

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