پاورپوینت کامل Energy A Physicist’s View 32 اسلاید در PowerPoint

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پاورپوینت کامل Energy A Physicist’s View 32 اسلاید در PowerPoint

اسلاید ۴: Bioenergetic MedicineThe principles of energy medicine originate in quantum physics. Bioenergetic medicine is the study of human and animal bodies as dynamic electromagnetic fields existing in an electromagnetic environment.Based on Einsteins theories of quantum physics, these energetic concepts are being integrated into medicine for a comprehensive approach to disease diagnosis, prevention, and treatment.”Joan Stafantos

اسلاید ۵: Energy Fields of Life. . . energy fields are postulated to constitute the fundamental unit of the living and nonliving.[The field is] a unifying concept and energy signifies the dynamical nature of the field. Energy fields are infinite and paradimensional; they are in continuous motion.Martha Rogers

اسلاید ۶: The History of EnergyFrom Greek energeia meaning “activity.”Not part of original Newtonian mechanics.Introduced into physics by Helmholtz in 1847.Conservation of EnergyThe total energy of an isolated system does not change with time.This is the defining property of energy.

اسلاید ۷: Types of EnergyExample: Falling BodyKinetic EnergyEK = mv2/2Potential EnergyEP = mghRest EnergyER = mc2hmv

اسلاید ۸: Classical PhysicsPicture prior to 20th Century:Energy and matter were separate and distinct substances. Although appearing continuous to the naked eye, matter was composed of discrete, localized atoms.Light was a form of electromagnetic wave, the vibration of a continuous cosmic field, the aether, and regarded as a form of pure energy. Gravity was a continuous action-at-a-distance field.

اسلاید ۹: Modern PhysicsCurrent picture:Energy and matter are the same stuff: E = mc2The discrete nature of matter is confirmed. Energy is also discrete.There is no evidence for an aether or any other continuous medium in universe. Light is composed of particulate matter: photons. Fields are composed of discrete particles (quanta).General relativity explains gravity in terms of the curvature of space rather than as a force field.

اسلاید ۱۰:

اسلاید ۱۱: The Standard Model of MatterThree generations of quarks and leptons u c t d s b ne nm nt e m t plus antiparticles. Familiar matter : u, d, e proton = uud neutron = udd

اسلاید ۱۲: The Standard Model of Forces Forces result from the exchange of particles:Electromagnetism photonStrong nuclear gluons (8)Weak nuclear weak bosons (4)(No quantum theory of gravity as yet)While these force particles are described by quantum fields in the theory, no continuous medium, like the aether, is involved.

اسلاید ۱۳: The CosmosMass BudgetRadiation 0.005 %Ordinary visible matter0.5 %Ordinary nonluminous matter3.5 % Exotic dark matter26 %Even more exotic dark “energy”۷۰ %Nature of dark matter and dark energy still unknown.But not “immaterial” since carry mass.

اسلاید ۱۴: Life and MindAll living organisms are composed of the same quarks and electrons