Results 31 to 40 of about 183 (70)

The Generic Mapping Tools and Animations for the Masses

open access: yesGeochemistry, Geophysics, Geosystems, Volume 25, Issue 6, June 2024.
Abstract Generic Mapping Tools (GMT) is a well‐known set of software originally developed for geosciences, allowing scientists in climate and solid earth disciplines to routinely create publish‐ready maps and graphics. However, GMT users rarely make animations despite their undeniable benefit for understanding and teaching dynamic processes. As reading
P. Wessel   +2 more
wiley   +1 more source

Transitions between phyllotactic lattice states in curved geometries [PDF]

open access: yes, 2020
Phyllotaxis, the regular arrangement of leaves or other lateral organs in plants including pineapples, sunflowers and some cacti, has attracted scientific interest for centuries.
Ansell, H. S.   +2 more
core   +5 more sources

THE SPIRALS ON THE OBLATE AND PROLATE SPHEROIDS OF LORENTZ-MINKOWSKI 3− SPACE R13 [PDF]

open access: yes, 2023
Spirials are differentiable curves that meet all meridians of a rotational surface at a constant angle. In this study, we obtain differential equations of all spirals on hyperbolic oblate and Lorentzian prolate spheroids.
Bulut, Vahide, Ugurlu, Hasan Huseyin
core   +1 more source

Material Metaphors for Literary Form: Robert Burton's ‘Perused’ Copy of Theatrum Urbium Italicarum (1599)

open access: yesRenaissance Studies, Volume 38, Issue 2, Page 185-205, April 2024.
Abstract This article gives a detailed description and analysis of Robert Burton's copy of Theatrum urbium italicarum, a Venetian ‘city‐atlas’ produced in 1599 by the engraver and publisher Pietro Bertelli. Burton's copy of the book is especially noteworthy because it has had a number of the maps removed.
Flynn Allott
wiley   +1 more source

THE LOGARITHMIC SPIRAL AND ITS SPHERICAL COUNTERPART

open access: yesJournal of Industrial Design and Engineering Graphics, 2019
Logarithmic spirals are isogonal trajectories of pencils of lines. From a series of geometric consequences, we pick out a few which are relevant for kinematics: When a logarithmic spiral rolls on a line, its asymptotic point traces a straight line. Hence,
Hellmuth STACHEL   +2 more
doaj  

DIFFERENTIAL EQUATION OF A LOXODROME ON THE SPHEROID [PDF]

open access: yes, 2007
A deeper insight into the principles of navigation leads to the understanding of spheroid models, elliptic integrals etc. Thanks to sophisticated modern math software, these problems can easily be solved complying with navigational practise. In addition,
Miljenko Petrović
core   +1 more source

Spiraling Out Of Disorder: Investigating The Behavior Of Nematic Liquid Crystalline Systems And Soft Vortex Matter Under Geometrical Confinement [PDF]

open access: yes, 2021
Self-assembly of ordered phases can be exploited to design new functional materials. Such structures can be heavily influenced by the confining geometry, which may be incommensurate with the ordering of the phase.
Ansell, Helen
core   +1 more source

A Cartographic Cavalcade [PDF]

open access: yes, 1962
Author Institution: Department of Geography, The Ohio State University, Columbus ...
Smith, Guy-Harold
core  

Absolute polarity on the sphere; conics; loxodrome, tractrix [PDF]

open access: yes, 1999
Elements in the bundle and on the sphere, distance, angle and absolute polarity are explained. The spherical conic has an absolute polar conic, they are equidistant to each other; they have the same evolute curve.
H. Dirnböck
core  

Why Knot?:Exploration of variation in long-distance migration [PDF]

open access: yes, 2020
Red knots (Calidris canutus) are shorebirds that spent most of the year at intertidal areas such as the Wadden Sea. However, once a year to and from their northern breeding grounds.
Kok, Eva
core   +1 more source

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