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{{short description|Perpetual electric current, not requiring an external power source}} In [[physics]], '''persistent current''' is a perpetual [[electric current]] that does not require an external power source. Such a ...

...ltonian]] and [[Lagrangian mechanics|Lagrange]] methods. It deals with the motion of particles and the general system of particles. ...sics in which we study the object and properties of an object in form of a motion under the action of the force. ...

....wordpress.com/2012/01/30/perpetual-motion-of-the-21st-century/ "Perpetual Motion of The 21st Century?"]. ...

...se [[lowest-energy state]] is one in which the particles are in repetitive motion. The system cannot lose energy to the environment and come to rest because ...ndulum, a time crystal "spontaneously" self-organizes into robust periodic motion (breaking a temporal symmetry).<ref>{{cite journal |last1=Sacha |first1=Krz ...

...does not rely on massive gravitons and does not modify [[Newton's laws of motion|Newton's law]], but instead describes the universe as a [[manifold]] having ...t both positive and negative masses in the same spacetime. So no perpetual motion machines… It can also be used to explain dark energy and dark matter.| publ ...

...parallels between synergetics and a contemporary iteration of [[perpetual motion]], noting that both promised the generation of free energy from seemingly u ...s chargées en milieu diélectrique non homogène » |trans-title=Study of the motion of charged particles in inhomogeneous dielectric media |url=https://archive ...

...nt temperatures are required for cyclical operation, otherwise [[perpetual motion]] would be possible. This is trivial in the case of thermolysis, as the fue ...

...server know or be able to determine, that he is in a state of fast uniform motion? One sees in this paradox the germ of the special relativity theory is alre ...that Maxwell's equations should be the same for all observers in inertial motion. From Maxwell's equations, one can deduce a single speed of light, and ther ...

...stress field is the sum of the large scale, far-field stress due to plate motion, plus all stress fluctuations due to past earthquakes. As elastic stresses ...vigorously,<ref>D. Sornette and P. Cauwels, 1980–2008: The Illusion of the Perpetual Money Machine and what it bodes for the future, Risks 2, 103–131 (2014) (ht ...

...re]] that uses [[Power (physics)|power]] to apply [[force]]s and control [[Motion|movement]] to perform an intended action. Machines can be driven by [[Anima # ''[[Mechanism (engineering)|mechanisms]]'' that [[Motion control|control movement]] in various ways such as [[gear train]]s, [[belt ...

...evice invented by Roman engineers to transform circular motion into linear motion. .....] new application of the alternating current in the production of rotary motion was made known almost simultaneously by two experimenters, Nikola Tesla and ...