The cost of physical inactivity: moving into the 21st century.

16th century Persian tiles in dialogue with 21st century digital tiles in the Sadrian universe

This article brings together tiles of 16th century Persian architecture and 21st century digital tiles of moving image to explore new potentials beyond the perceived image. As minimal parts of a bigger image, they both appear still and motionless. However, Persian Islamic philosopher, Mulla Sadrā Shirazi’s (1571-1640) theory of ‘substantial motion’ (al-harakat a...

A Security Effective Structure for National Defense in the 21st Century

In accordance with human necessities and deep attention into security, research studies have today became an irrefutable necessity in this area. It is noted that traditional concepts of this important issue have changed, as a result of occurring various events in the past, particularly in the 20th century; so that security is no more limited to protecting human beings against individual and col...

Hybrid urban space and the dichotomous citizen phenomenon in the 21st century Case Study: Tehran

Aims and contexts: Today, technology, as an integral part of life, has affected cities with fundamental and functional changes and it is known as a new feature of them in the 21st century. These changes have led to the dual specialization of life and consequently, to citizens with behavioral transformation. In other words, the hybrid urban space has created a dichotomous citizen with dual real-...

Sustainable Seawater Reverse Osmosis Desalination as Green Desalination in the 21st Century

Seawater reverse osmosis desalination (SWRO) requires less energy compared with the distillation method and thus is an important technology except Middle Eastern countries whereenergy costs are higher. Recently, even Middle Eastern countries where the distillation method is still a major technology, have begun adopting the RO method in new desalinationplants in line with government ...

The Challenges of Cognitive Neuroscience in the 21st Century