Wyniki wyszukiwania:

In this thesis, the author develops numerical techniques for tracking and characterising the convoluted nodal lines in three-dimensional space, analysing their geometry on the small scale, as well as their global fractality and topological complexity---including knotting---on the large scale.

Alexander von Humboldt (1769 1859) was one of the most respected scientists of his time; Darwin called him 'the greatest scientific traveller who ever lived'. From 1799 Humboldt spent five years exploring the Americas, reporting his findings in thirty volumes, published over a period of more than twenty years from 1805. His Essai Politique, describing northern New Spain, particularly Mexico, was one of the first studies of a single country written to take account of both its history, its society and its political development. In 1824, the English mining engineer John Taylor published this...

This volume consists of fifteen chapters by prominent authorities in the fields of cetacean law, policy, and science. The overarching purpose of the book is to assess the challenges faced by cetacean species in the 21st century, and the role of legal, political, and scientific institutions to meet these challenges. The book also contains several chapters that address the abiding ethical questions dividing those who seek to continue to exploit cetaceans as resources and those who maintain that direct exploitation should be permanently banned on the grounds of sentience or intelligence....