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- Dahl, Ingolf, 1950
(author)
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Ferroelectricity, SSFLC, bistability and all that
- 2002
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In: arXiv.org.
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Review (other academic/artistic)abstract
- In the book “Ferroelectric and Antiferroelectric Liquid Crystals” by S. T. Lagerwall, the concept “polar liquid crystals” is proposed for the concept earlier known as “ferroelectric liquid crystals”, reserving the word “ferroelectric liquid crystals” for the case of “surface stabilization”. Thus Lagerwall in this way, by redefinition, becomes the coinventor of “ferroelectric liquid crystals”. The trouble is that a closer look on the invention reveals a state of bad logic and a total confusion. The concepts “polar”, “ferroelectric”, “hysteresis”, “SSFLC” and “bistability” are essential in the writing of Lagerwall, but these words are not used in a rigorous way. Also the pictorial evidence used by Lagerwall to illustrate the discovery of surface stabilized liquid crystals raises several questions. An alternative view of the physics of SSFLC cells is presented.
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- Löfgren, Lars, 1975-
(author)
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A Comparison of two Books on Systems of Systems
- 2014
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In: Le Libellio. - Paris. - 2268-1167. ; 10:3, s. 59-60
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Review (other academic/artistic)abstract
- The objective of this text is to carry out a comparative analysis of the general features regarding System of Systems (SoS) in the books System of Systems Engineering: Innovations for the Twenty-First Century (Jamshidi, 2009) and Systems of Systems (Luzeaux & Ruault, 2010).
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- Löfgren, Lars, 1975-
(author)
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A Review of the Book Systems of Systems
- 2014
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In: Le Libellio. - Paris. - 2268-1167. ; 0:3, s. 55-57
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Review (other academic/artistic)abstract
- This review consists first of a brief description of the general features of Systems of Systems (SoS) through the book Systems of Systems by Luzeaux & Ruault (2010). The review then continues to address Chapter 4, written by Ruault (2010) on Human Factors within the context of SoS.
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