« If blindness creates a new world »

Avoidable blindness: a world problem.

Daar is vier biljoen mense in die wêreld. Veertig miljoen van hulle is blind. As die verhouding tussen bevolkingsaanwas en blindheid nie verm inder nie, sal die syfer teen die einde van die eeu verdubbel wees. Ten minste 80% van die wêreld se blindheid kom voor in die ontwikkelende lande van A sië, Afrika en Latyns-Am erika. Die Internasionale Agentskap vir die Voorkom ing van Blindheid (I .A ....

World blindness: a 21st century perspective.

Historical perspective At this time, the real start of the new century let alone the new millennium, it is a good time to reflect on where we have been in terms of the prevention of blindness and where we are going. Most of us could watch the dawn break on the new millennium, but there were another 45 million around the world who could not see it because they were blind, and another 135 million...

Blindness in the developing world.

Text Advertising Blindness: The New Banner Blindness?

Copyright © 2010-2011, Usability Professionals’ Association and the authors. Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. To copy otherwise, or republish, to pos...

Quantum Geometrodynamics Creates New Problems

The development of last years in quantum geometrodynamics highlights new problems which were not obvious in its first formulation proposed by Wheeler and DeWitt. At the first stage the main task was to apply known quantization schemes to gravitational field or a certain cosmological model. This way has led to the realization of the fact that a quantum description of the Universe is impossible w...