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Three Horizons (or 3H) is a framework and method for futures studies and practice, created by Anthony Hodgson, Andrew Curry, Graham Leicester, Bill Sharpe, Andrew Lyon and Ioan Fazey. [1] It presents a picture of change in a given system as an interplay of three horizons. [ 1 ]
Horizons (pronounced ⓘ) is a centre-right [4] [5] [6] [7] political party in France founded in October 2021 by Édouard Philippe, at the time mayor of Le Havre and ...
For radar (e.g. for wavelengths 300 to 3 mm i.e. frequencies between 1 and 100 GHz) the radius of the Earth may be multiplied by 4/3 to obtain an effective radius giving a factor of 4.12 in the metric formula i.e. the radar horizon will be 15% beyond the geometrical horizon or 7% beyond the visual. The 4/3 factor is not exact, as in the visual ...
Rows 1 and 3: New Horizons; rows 2 and 4: Abrams Discoveries. Découvertes Gallimard is a French encyclopaedic collection of illustrated pocket books published by Éditions Gallimard since 1986. Books of this collection have been selectively translated into English.
The term is used to denote a series of stratigraphic relationships that constitute a phase or are part of the process of determining the archaeological phases of a site. An archaeological horizon can be understood as a break in contexts formed in the Harris matrix, which denotes a change in epoch on a given site by delineation in time of finds found within contexts.
In the philosophy of Hans-Georg Gadamer, a fusion of horizons (German: Horizontverschmelzung) is the process through which the members of a hermeneutical dialogue establish the broader context within which they come to a shared understanding. In phenomenology, a horizon refers to the context within which of any meaningful presentation is contained.
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The advantage is that this notion of a horizon is mathematically convenient and does not depend on the observer, unlike apparent horizons, for example. The disadvantage is that it requires the full history (all the way into the future) of the spacetime to be known, thus making event horizons unsuitable for empirical tests. [4]