PREDICTORS OF PROBLEMATIC SMARTPHONE USE: AN EXAMINATION OF THE INTEGRATIVE PATHWAYS MODEL AND THE ROLE OF AGE, GENDER, IMPULSIVENESS, EXCESSIVE REASSURANCE SEEKING, EXTRAVERSION, AND DEPRESSION

Predictors of Problematic Smartphone Use: An Examination of the Integrative Pathways Model and the Role of Age, Gender, Impulsiveness, Excessive Reassurance Seeking, Extraversion, and Depression

Background: The progression of mobile phone technology has led to the development of multi-functional smartphones providing access to features such as social media, e-mail, and videos alongside the basic functions of a mobile phone.Increasing amounts of research has explored the potential addictive nature of smartphones to develop a theoretical fra

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The Dynamic Electric Carsharing Relocation Problem

This article addresses a relocation and recharging problem faced by modern carsharing operators who manage a fleet of electric vehicles.As customers utilize the fleet, batteries are depleted and vehicles are possibly left in low-demand locations.Consequently, carsharing operators need to arrange the charging of depleted batteries and the relocation

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Electric motor-glider powered by a hydrogen fuel cell stack

The paper presents the current development of the AOS-H2 electric motor-glider project.The project encompasses the design and manufacture of an electric propulsion system (EPS) and a CF/epoxy airframe to be used as a flying test platform for the designed EPS.A Wooden Dollhouse 40-kW electric motor is supplied by a 10-kW PEM fuel cell stack and a Li

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