The contactless new normal dictated by the global pandemic has re-introduced the nearly three-decade-old QR codes as a new standard of conveyance of information.Not only are they now ubiquitous to the general public but also inseparable to social, commercial and bureaucratic life.Recent history has been witnessing plenty of technical and artistic e
Islamic Art is one of the most rich arts unique characters and has its philosophy, with the objective reality of the teachings of the Islamic religion and derives its basic features of these teachings.It was the product of Islamic art and the Islamic civilization of large inherited the distinctive forms and decorations and elements which found on t
The dynamic reconfiguration and maximum power point tracking in large-scale photovoltaic (PV) systems require a large number of voltage and current sensors.In particular, the reconfiguration process requires a pair of voltage/current sensors for each panel, which introduces costs, increases size and reduces the reliability of the installation.A sui
The Skolem problem is a long-standing open problem in linear dynamical systems: can a linear recurrence sequence (LRS) ever reach 0 from a given initial configuration? Similarly, the positivity problem asks whether the LRS stays positive from an initial configuration.Deciding Skolem (or positivity) has been open for half a century: the best known d
Hypselobarbus lithopidos (Day, 1874) is a poorly known cyprinid fish endemic to the rivers of the Western Ghats of India.This species POTASSIUM CITRATE 99 MG is assessed as Data Deficient in the IUCN Red List of Threatened Species with a note that it could be possibly extinct.Here, we provide information on a recent collection of this species from