The informal economy is diversified set of economic activities, enterprises, jobs and workers that are not regulated or protected by the state. It does have any written rules agreements functioning merely on verbal understanding. There no fixed wages hours work mostly relies daily earnings failed to come together address their problems through an association a group. people working as small far...

A discrete and exact algorithm for obtaining planetary systems is derived in a recent article (Eur. Phys. J. Plus 2022, 137:99). Here the used to obtain with forces different from Newtonian inverse square gravitational forces. system exhibits regular elliptical orbits, here it demonstrated that pure also stable whereas cubic unstable without orbits. The orbits deviate, however, usual by having ...

Live fire training is an essential component of infantry and Special Forces training. Recent developments in target technology have created a need for more sophisticated human behavior models that can drive the targets to behave in a realistic and challenging manner. Such behavior models enable the targets to exhibit convincing tactical behavior, as well as coordinating as a team to confront th...

One of the major aims of performance investigation is to obtain a measure predicting real-life performance, in order to prevent consequences of a potential decrement. Whereas the predictive validity of such assessment has been extensively described for long-term outcomes, as is the case for testing in selection context, equivalent evidence is lacking regarding the short-term predictive value of...

This paper considers how forces are produced by compliance and surface curvature effects in systems where an object B is kinematically immobilized to second-order by finger bodies A1; ;Ak. A class of configuration-space based elastic deformation models is introduced. Using these elastic deformation models, it is shown that any object which is kinematically immobilized to first or second-order i...

The assembly of released parts of microsystems is the last, but a very crucial, step that often requires tradeoffs in the yield and performance of the whole system. Various applications with different concerns have triggered some of the assembly methods today available. Methods that make use of surface tension forces [1], magnetic forces [2], centrifugal forces [3], on chip actuators and roboti...