Learning Object Repositories seems to be the solution to facilitate the sharing and reusing of learning material. As useful as they may appear, Learning Object Repositories are not in widespread use among faculty around the world. There are indications that the amount of work and time required to use the Repositories is the main reason for the reluctance of teachers. This work analyzes the tool...

Understanding the links between activity of supermassive black holes (SMBH) at centres galaxies and their host dark matter haloes is a key question in modern astrophysics. The final data release SDSS-IV eBOSS provides largest contemporary spectroscopic sample QSOs. Using this covering redshift interval $z=0.7-1.1$, we have measured clustering properties QSOs, Emission Line Galaxies (ELGs) Lumin...

Generative audiovisual performance where human and machine interact. An original, customised computerised hyperinstrument generates highly synchronised audiovisuals that are affected by the performer. Based on a couple of video white noise generators, unpredictable rhythmic sequences tessitura calculated perc...

many reports have indicated the medical importance of animal poisons in iran. the significance numbers of iranians are injured from high endemic to sporadic, by venomous snakes, scorpions, wasps, bees, fire and velvet ants, spiders and backswimmer bugs, so their nuisance prevention is an important task.