in this paper, we try to determine the status of the relation between dahr world and matrial world. the conclusion shows the subjective duality and objective unity of dahr and material entities. two interpretations of this duality can be suggested. in the first interpretation, this unity, and the duality supposed, are explained on the basis of different intellectual cognition of immaterial and ...

This paper counters proponents of the Ôweightless economyÕ who have suggested the Ôdeath of distanceÕ in relation to economic and social activities that use the worldwide web (WWW). An analysis of new media developers in New YorkÕs ÔSilicon AlleyÕ demonstrates that place and distance are still important. The most important aspect of this co-location is the possibility of social interaction. Thi...

Collaboration is increasingly distributed and influenced by the technologies involved in the workspace. 3D Virtual Worlds (VWs) are rich and promising collaboration tools that provide highly interactive environments. Several researchers and practitioners are particularly interested in the potential of these new media to support collaborative practices. However, the literature does not provide y...

Part of the remit for a journal is to look backwards and forwards simultaneously: are we learning lessons from past, prepared future? In this month's issue JCE publish articles that address both these tasks. Of course COVID-19 pandemic present hovers over all our thoughts, also represented here, but need continue develop science, prepare an unpredictable future ever-present. The imperative pre-...

Product development becomes more and more complex. Products obtain more and more functions and at the same time they must be still attractive for the customers to ensure a successful product launch. To predict their acceptance and to gain knowledge on how to design attractive products new methods are developed in the field of the emotional design. Such a method is the Kansei Engineering, which ...

The Internet and the World Wide Web have made it possible to establish a new type of learning environment in which learners can collaborate with fellow students to construct a meaningful and powerful learning experience. It is through student ownership of the learning environment that really effective learning occurs and this paper will describe courses that have been established to provide suc...

This paper analyzes how organizational culture is intertwined with usability work in software (SW) development organizations. Usability is an important quality characteristic of software products and systems. However, the development of usability is challenging in SW development. Organizational culture has been argued to affect usability work in SW development organizations, thus, this paper ta...

the single type specimen of the unrecognized species, chetogena flaviceps (bigot), was examined and found to be a subjective senior synonym of the well-known new world species of chetogena scutellaris wulp. the genitalia of the holotype was dissected and illustrated in detail. a redescription of c. scutellaris, including the male genitalic characters is provided.