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A propulsion generated without propellent mass and external forces using a well known physics is possible theoretically. To do that, it is proposed to use two specific time-varying and constrained distributions of electric charges which own…

General Physics · Physics 2007-05-23 Benoit T. Guay

A novel non-reactive thrust principle based on controlling the angular momentum of a material body is proposed. Theoretically, it is shown that asymmetric emission/absorption of low-energy particle fluxes with spin in a direction…

Popular Physics · Physics 2025-10-28 Yury N. Razoumny , Sergei A. Kupreev

The possibility of an extrinsic origin for inertial reaction forces has recently seen increased attention in the physical literature. Among theories of extrinsic inertia, the two considered by the current work are (1) the hypothesis that…

General Relativity and Quantum Cosmology · Physics 2007-05-23 York Dobyns , Alfonso Rueda , Bernard Haisch

In nearly all concepts invoked or proposed to change or shield gravity it is intuitively assumed that manipulation of gravity automatically leads to a breakthrough for propulsion. In this study it is shown, that even if gravity could be…

Space Physics · Physics 2007-05-23 M. Tajmar , O. Bertolami

We describe the phenomenon of generation of an external field of forces from piezoelectric materials subjected to the application of electric fields or mechanical stress. The piezoelectric materials are shown as being capable of producing…

General Physics · Physics 2016-12-14 Elio B. Porcelli , Victo S. Filho

It is well-known that energy-momentum is the source of gravitational field. For a long time, it is generally believed that only stars with huge masses can generate strong gravitational field. Based on the unified theory of gravitational…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Ning Wu

We propose a simple model for a motor that generates mechanical motion by exploiting an entropic force arising from the topology of the underlying phase space. We show that the generation of mechanical forces in our system is surprisingly…

Statistical Mechanics · Physics 2015-06-15 Natalia Golubeva , Alberto Imparato , Massimiliano Esposito

We present the theoretical foundations of the interaction of electromagnetic evanescent fields on an object

Other Condensed Matter · Physics 2011-02-09 Manuel Nieto-Vesperinas , J. Ricardo Arias-Gonzalez

It is well known, from Newtonian physics, that apparent forces appear when the motion of masses is described by using a non-inertial frame of reference. The generalized potential of such forces is rigorously analyzed focusing on their…

General Physics · Physics 2020-03-26 Elmo Benedetto , Ivana Bochicchio , Christian Corda , Fabiano Feleppa , Ettore Laserra

Gravitational radiation is an elusive form of radiation predicted by general relativity, it is the subject of intense theoretical and experimental research at the limit of the sensitivity of today's instrumentation. In spite of the fact…

Space Physics · Physics 2009-11-07 Giorgio Fontana

A scientific analysis of the conditions under which gravity could be controlled and the implications that an hypothetical manipulation of gravity would have for known schemes of space propulsion have been the scope of a recent study carried…

General Relativity and Quantum Cosmology · Physics 2007-05-23 O. Bertolami , M. Tajmar

In the present work, an alternative interpretation of the source of accelerated expansion of the Universe is suggested. A probable candidate is the interaction between the quantum spin of a moving particle and the torsion of space-time,…

General Relativity and Quantum Cosmology · Physics 2016-11-15 M. I. Wanas

Selected examples of possible origins of power-law distributions are presented.

Statistical Mechanics · Physics 2015-04-02 Grzegorz Wilk , Zbigniew Włodarczyk

I critically examine the notion of ``irreversibility,'' and discuss in what sense it applies to the spontaneous creation of particles in external fields. The investigation reveals that particle creation in very strong fields can only be…

High Energy Physics - Theory · Physics 2009-04-30 J. Rau

We discuss a method for computing the generating function for the multiplicity distribution in field theories with strong time dependent external sources. At leading order, the computation of the generating function reduces to finding a…

High Energy Physics - Phenomenology · Physics 2009-11-11 Francois Gelis , Raju Venugopalan

In the present work, torsion energy is defined. Its law of conservation is given. It is shown that this type of energy gives rise to a repulsive force which can be used to interpret supernovae type Ia observations, and consequently the…

General Relativity and Quantum Cosmology · Physics 2007-05-23 M. I. Wanas

Evaluation of gravity control concepts should be examined with respect to currently known physical theories. In this work we study the hypothetical conversion of gravitational potential energy into kinetic energy using the formalism of…

Space Physics · Physics 2008-11-26 O. Bertolami , F. G. Pedro

Three new approaches to generating thrust in uniform magnetic fields are proposed. The first direction is based on employing Lorentz force acting on partial magnetically shielded 8-shaped loop with current in external magnetic field,…

General Physics · Physics 2008-07-15 Mark Krinker , Alexander Bolonkin

We discuss a general mechanism which allows to explain naturally both radio and high energy emission by pulsars. We also discuss the plasma distribution in the region surrounding the pulsar, the pulsar wind and the formation of jet along…

Astrophysics · Physics 2007-05-23 Paolo Cea

The paper present a model for the drag force between a resistive medium and a solid body using the hypothesis that the drag force is created by the adhesion of some particles of the resistive medium on the solid body's surface. The study…

Mathematical Physics · Physics 2008-01-29 Dan Comanescu
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