background: screen time (st), including watching television and playing electronic games are the leading cause of a growing obesity epidemic. this study aimed to evaluate st and its association with physical activity, overweight and socioeconomic status (ses) in children 10 to 12 years of age in sanandaj.   methods: this study was designed as a cross-sectional study, which was conducted in sana...

it is always attempted to reduce the costs of comminution in mineral processing plants. one of thedifficulties in size reduction section is not to be designed properly. the key factor to design size reductionunits such as crushers and grinding mills, is ore’s work index. the work index, wi, presents the oregrindability, and is used in bond formula to calculate the required energy. bond has defi...

Background: Computer usage has rapidly grown. This is because it helps to resolve problems, i.e., encountered in daily life by individuals. Various monitor screens that have been developed affect the userchr('39')s eyes. Screen size is one of the relevant impacts. Thus, this study compared the immediate effects of two computer screen sizes on visual fatigue in Video Display Terminal (VDT) users...

This position paper provides an overview of Understanding the Multi-Screen Household, an interdisciplinary project investigating how domestic media audiences use second screen technologies in relation to primary screen viewing. It describes the novel methods developed for this problem space by a diverse group of researchers and reflects on the practical, ethical and theoretical challenges atten...

In this paper, we present an interaction mechanism that allows TV viewers to synchronise their second screen applications in a simple and effortless way. This mechanism relies on the user feedback to deliver in-sync second screen events, and was designed as a universal solution that can be used on any live broadcast.

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Couples HIV testing and counseling (CHTC) has been used for more than 20 years in African settings and more recently among men who have sex with men in the United States, but little is known about willingness of heterosexuals in the U.S. to use CHTC. We conducted an online survey of heterosexuals in sexual relationships to assess willingness to use CHTC and willingness to discuss relationship a...