The Square Kilometre Array: Paving the way for the new 21st century radio astronomy paradigm PDF
The Square Kilometre Array (SKA) will provide more than one order of magnitude improvement in sensitivity compared with any existing radio telescope over a wavelength range of several hundred to one, from decametric to microwave wavelengths. It will revolutionize the study of the most abundant element in the Universe, hydrogen, from the epoch of reionisation to the present-day, probing the onset formation period of the very first stars, will closely scan proto-planets and, through the pre…
The Wreck of Catalonia: Civil War in the Fifteenth Century
This title examines the fate which overtook the principality of Catalonia in the fifteenth century, reducing it from the dominant power within the state of Aragon to a marginal role in the Iberian power created by the union of Aragon and Castile.
Challenges of the New Water Policies for the XXI Century: Proceedings of the Seminar on Challenges of the New Water Policies fo
The concept of sustainable development appeared almost twenty years ago, adapting traditional policies to new circumstances, and promoting progress capable of satisfying the necessities of both present and future generations. It is widely believed that the need for a proper and sustainable management of water will be a problem which will confront society in the 21st century.
The concept of sustainable development appeared almost twenty years ago, adapting traditional policies to new circu…