Category Archives: Physics & Mathematics

Doing Astronomy with Small Telescopes

Author(s):Kangujam Yugindro Singh, Irom Ablu Meitei, Salam Ajitkumar Singh ABSTRACT We are playing a lead role for growth of astronomy and its quality teaching and research in Manipur, a State located at northeast India (longitude = 93°58’E; latitude = 24°44’N; … Continue reading

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Hall Effects on Unsteady MHD Three Dimensional Flow through a Porous Medium in a Rotating Parallel Plate Channel with Effect of Inclined Magnetic Field

Author(s):P. Sulochana ABSTRACT In this paper, we make an initial value investigation of the unsteady flow of incompressible viscous fluid between two rigid non-conducting rotating parallel plates bounded by a porous medium under the influence of a uniform magnetic field … Continue reading

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The boundary of universe is unlimited, without any need of the hypothesis that the universe starts off with the big bang

Author(s) :Ping’an Luo From the hypotheses compatible with microphysics theory, this paper establishes a new theoretical model of static universal gravitation and deduces new formula of the theory of universal gravitation. In a first order approximation, the new formula shows the … Continue reading

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Radiation Field Preference for Radiographic Anatomical Markers by Radiographers in a University Teaching Hospital in Nigeria

Author(s) :Thomas Adejoh, Sobechukwu Warric Iwene Onwuzu, Flavious Bobuin Nkubli, Nwamaka Ikegwuonu ABSTRACT Objective: The work aims to determine the radiographers’ preference between primary and secondary radiation fields for imprinting anatomical markers on radiographs. Methodology: Processed radiographs from the darkroom with … Continue reading

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Solvability of the Economic Input-Output Equation by Time Irreversibility

Author:Shinji Miura ABSTRACT This paper reinterprets the economic input-output equation as a description of a realized situation without considering decision making. This paper uses the equation that the self-sufficiency rate is added to the Leontief type, and discusses its solvability. … Continue reading

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Collaboration of many professional and amteur astronomers revealed a 3-D shape of an asteroid

Author:Isao Satō Asteroids are very small celestial bodies and invisible with naked eyes beyond seveal hundreds million kilometers from the earth between the orbits of Mars and Jupiter. So it is difficult to study its size, shape, composition and other … Continue reading

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Partial Frequencies and Chladni’s Law in Church Bells

Author(s) :William A. Hibbert, David B. Sharp, Shahram Taherzadeh, Robert Perrin   The rim partials of a church bell (those with an antinode at the soundbow) generate the strike pitch or perceived note of the bell. The spacing in frequency of the higher rim … Continue reading

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Does Life Need Water or Can it be Generated by Other Fluids?

Author: Piero Chiarelli Why the physics cannot coherently explain the biology and life and the spontaneous emergence of order? The missing bridge between the physics and life disciplines constitutes one of the greatest problems of nowadays science. The situation is similar … Continue reading

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Isli and Tislit: The First Dual Impact Crater Discovered in Morocco

After a few months of studies, a group of geologists from the Ibn Zohr University concludes that strange lakes, well known in the region Imilchil (Morocco) are the remains of a double impact crater done by a falling meteorite dating … Continue reading

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