We present an available and low cost technique for the production of binary-phase diffractive optical elements designed by digital methods. We produce binary-amplitude holograms making use of a high-resolution graphic device. They are used as binary masks which are copied…

Eumerus purpurariae, described from the Canary Islands (Atlantic), has been reared from the stems (platyclades) of the cactus Opuntia maxima (the first know host) on Nueva Tabarca, a Mediterranean island close to the Iberian coast. The egg, larva and puparium…

Recent research into quality management has examined the relationship between quality management and performance. The purpose of this study is to identify the relationships between quality management practices, and to examine the direct and indirect effects of these practices on…

In this article we describe a novel algorithm that allows fast and continuous learning on a physical robot working in a real environment. The learning process is never stopped and new knowledge gained from robot-environment interactions can be incorporated into…

To identify any differences between patients referred by police compared with patients referred from other sources, to a psychiatric hospital in Australia, a retrospective audit of 200 patient files was undertaken. The two most common reasons for the involuntary referral…

We present an analysis of a series of four consecutive Chandra high-resolution transmission gratings observations, amounting to a total of 150 ks, of the Be X-ray source HD 119682 (=1WGA J1346.5–6255), a member of the new class of γ Cas…

Rhythmic Gymnastics is as a complex artistic and aesthetic sport with a particular training process and which demands high levels of physical and psychological stress in competition. Not many studies explain a good proposal which determinate the predictors of a…

It is clear that we are at a point of crisis
and transformation. In her introduction
to the articles of this issue, Bronwen Rees
suggests that not only will we need to
challenge basic assumptions in science,
but that the…

High diving is a sport that became popular in recent years. Since 2013, FINA has added it to the official list of swimming disciplines. This pilot work focuses on two specific aspects of the High diving: 1. The impact with…

Magnetic Resonance Imaging (MRI) is an important diagnostic imaging tool that has
seen rapid expansion in recent years with a commensurate increase in the number of
radiographers undertaking MRI scans. This imaging modality is a complex one and the strong