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The Universe

Leading Scientists Explore the Origin, Mysteries, and Future of the Cosmos

by John Brockman ...

Series Book 7 - Best of Edge Series
John Brockman brings together the world's best-known physicists and science writers—including Brian Greene, Walter Isaacson, Nobel Prize-winner Frank Wilczek, Benoit Mandelbrot, and Martin Rees—to explain the universe in all wondrous splendor.In The Universe, today's most influential science writers explain the science behind our evolving understanding of the universe and everything in it, ... Read more

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John Brockman brings together the world's best-known physicists and science writers—including Brian Greene, Walter Isaacson, Nobel Prize-winner Frank Wilczek, Benoit Mandelbrot, and Martin Rees—to explain the universe in all wondrous splendor.In The Universe, today's most influential science writers explain the science behind our evolving understanding of the universe and everything in it,
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Black Holes

The Key to Understanding the Universe

by Brian Cox, Jeff Forshaw ...

By the star physicist and author of multiple #1 Sunday Times bestsellers, a major and definitive narrative work on black holes and how they can help us understand the universe.At the heart of our galaxy lies a monster so deadly it can bend space, throwing vast jets of radiation millions of light years out into the cosmos. Its kind were the very first inhabitants of the universe, the black holes ... Read more

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By the star physicist and author of multiple #1 Sunday Times bestsellers, a major and definitive narrative work on black holes and how they can help us understand the universe.At the heart of our galaxy lies a monster so deadly it can bend space, throwing vast jets of radiation millions of light years out into the cosmos. Its kind were the very first inhabitants of the universe, the black holes
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The Biggest Ideas in the Universe

Space, Time, and Motion

by Sean Carroll ...

INSTANT NEW YORK TIMES BESTSELLER“Most appealing... technical accuracy and lightness of tone... Impeccable.”—Wall Street Journal*“A porthole into another world.”—Scientific American*“Brings science dissemination to a new level.”—ScienceThe most trusted explainer of the most mind-boggling concepts pulls back the veil of mystery that has too long cloaked the most valuable building blo... ... Read more

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Canonical Quantum Gravity: Fundamentals And Recent Developments

by Francesco Cianfrani, Orchidea Maria Lecian, Matteo Lulli, Giovanni Montani ...

This book aims to present a pedagogical and self-consistent treatment of the canonical approach to Quantum Gravity, starting from its original formulation to the most recent developments in the field.We start with an innovative and enlightening introduction to the formalism and concepts on which General Relativity has been built, giving all the information necessary in the later analysis. A brief ... Read more

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This book aims to present a pedagogical and self-consistent treatment of the canonical approach to Quantum Gravity, starting from its original formulation to the most recent developments in the field.We start with an innovative and enlightening introduction to the formalism and concepts on which General Relativity has been built, giving all the information necessary in the later analysis. A brief
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Introducing Newton

A Graphic Guide

by William Rankin ...

Series series Graphic Guides
"Introducing Newton" explains the extraordinary ideas of a man who sifted through the accumulated knowledge of centuries, tossed out mistaken beliefs, and single-handedly made enormous advances in mathematics, mechanics and optics. By the age of 25, entirely self-taught, he had sketched out a system of the world. Einstein's theories are unthinkable without Newton's founding system. He was also a ... Read more

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"Introducing Newton" explains the extraordinary ideas of a man who sifted through the accumulated knowledge of centuries, tossed out mistaken beliefs, and single-handedly made enormous advances in mathematics, mechanics and optics. By the age of 25, entirely self-taught, he had sketched out a system of the world. Einstein's theories are unthinkable without Newton's founding system. He was also a
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Structural Analysis Of The New Formulae On Gravity And Repulsion

新引力斥力公式的结构分析

by Zhenzhi Feng, 冯振志, 冯辰 Chen Feng ...

引力无处不在，容易感知，但很不容易被检测。引力形成的原因到底是什么，至今仍是困扰着科学界的一大难题。万有引力理论和广义相对论，是引力理论的先驱。它们成就巨大，但也遗留下一些问题。力的存在一定会有施力者。作者反复揣摩：相邻的两个物体，靠质量自身就能形成引力，这从能量守恒定律的角度看，是说不通的。目前，也没有人能够从物质的内在构造中寻找到产生引力的机制。2012年，作者思考引力形成的原因，思路越来越清晰：引力的施力者，只能来自两物体之外。由引力具有极强穿透性和质量越大引力越强这两个特性推断：引力极有可能是由宇宙空间的强透射粒子漫射作用于两物体之间形成的。至于物体的质量，只是起到了一部分内在的作用。2013年3月，作者推导出了新引力公式的结构。这个新的引力公式具有牛顿引力公式F与Mm/（RR）成正相关的非凡身姿，但是，在G的宝座上有七个因子在各司其职。后来，作者把自己的收获写成了一篇论文 ... Read more

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引力无处不在，容易感知，但很不容易被检测。引力形成的原因到底是什么，至今仍是困扰着科学界的一大难题。万有引力理论和广义相对论，是引力理论的先驱。它们成就巨大，但也遗留下一些问题。力的存在一定会有施力者。作者反复揣摩：相邻的两个物体，靠质量自身就能形成引力，这从能量守恒定律的角度看，是说不通的。目前，也没有人能够从物质的内在构造中寻找到产生引力的机制。2012年，作者思考引力形成的原因，思路越来越清晰：引力的施力者，只能来自两物体之外。由引力具有极强穿透性和质量越大引力越强这两个特性推断：引力极有可能是由宇宙空间的强透射粒子漫射作用于两物体之间形成的。至于物体的质量，只是起到了一部分内在的作用。2013年3月，作者推导出了新引力公式的结构。这个新的引力公式具有牛顿引力公式F与Mm/（RR）成正相关的非凡身姿，但是，在G的宝座上有七个因子在各司其职。后来，作者把自己的收获写成了一篇论文
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Einstein, Arthur Eddington, and Astronomy

English-Indonesian

by Gatot Soedarto ...

The proving method on the theory of general relativity as requested by its founder, Albert Einstein, is unjustifiable from scientific point of view of the astronomy. Cara pembuktian Teori Relativitas Umum yang diminta oleh pencetus teori, Albert Einstein, ternyata keliru jika ditinjau dari keilmiahan Ilmu Astronomi. Sulit dipahami, mengapa cara pembuktian itu dilaksanakan oleh Sir Arthur ... Read more

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The proving method on the theory of general relativity as requested by its founder, Albert Einstein, is unjustifiable from scientific point of view of the astronomy. Cara pembuktian Teori Relativitas Umum yang diminta oleh pencetus teori, Albert Einstein, ternyata keliru jika ditinjau dari keilmiahan Ilmu Astronomi. Sulit dipahami, mengapa cara pembuktian itu dilaksanakan oleh Sir Arthur
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Escaping Gravity

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by Lori Garver ...

“Former NASA official Lori Garver offers a front-row seat to the decades-long struggles within and among space bureaucrats and space billionaires. Bring popcorn, as you bear witness to an untold slice of space history.”—Neil deGrasse Tyson, Astrophysicist and author of Space Chronicles: Facing the Ultimate FrontierHow Lori Garver's Battle Against the Greed and Corruption of the US Space Program ... Read more

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“Former NASA official Lori Garver offers a front-row seat to the decades-long struggles within and among space bureaucrats and space billionaires. Bring popcorn, as you bear witness to an untold slice of space history.”—Neil deGrasse Tyson, Astrophysicist and author of Space Chronicles: Facing the Ultimate FrontierHow Lori Garver's Battle Against the Greed and Corruption of the US Space Program
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Derivation of Newton's Law of Gravitation

by Balungi Francis ...

In Newton’s view, all objects exert a force that attracts other objects. That universal law of gravitation worked pretty well for predicting the motion of planets as well as objects on Earth and it's still used, for example, when making the calculations for a rocket launch. But unfortunately it cannot be derived from first principles.In this book gravity has been derived from first principles ... Read more

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In Newton’s view, all objects exert a force that attracts other objects. That universal law of gravitation worked pretty well for predicting the motion of planets as well as objects on Earth and it's still used, for example, when making the calculations for a rocket launch. But unfortunately it cannot be derived from first principles.In this book gravity has been derived from first principles
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Geometry, Lie Theory and Applications

The Abel Symposium 2019

Edited by Sigbjørn Hervik, Boris Kruglikov, Irina Markina, Dennis The ...

Series series Springer Nature Proceedings excluding Computer Science
This book consists of contributions from the participants of the Abel Symposium 2019 held in Ålesund, Norway. It was centered about applications of the ideas of symmetry and invariance, including equivalence and deformation theory of geometric structures, classification of differential invariants and invariant differential operators, integrability analysis of equations of mathematical physics, ... Read more

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This book consists of contributions from the participants of the Abel Symposium 2019 held in Ålesund, Norway. It was centered about applications of the ideas of symmetry and invariance, including equivalence and deformation theory of geometric structures, classification of differential invariants and invariant differential operators, integrability analysis of equations of mathematical physics,
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Structure Formation in Modified Gravity Cosmologies

by Alexandre Barreira ...

Series series Physics and Astronomy (R0)
This unique thesis covers all aspects of theories of gravity beyond Einstein’s General Relativity, from setting up the equations that describe the evolution of perturbations, to determining the best-fitting parameters using constraints like the microwave background radiation, and ultimately to the later stages of structure formation using state-of-the-art N-body simulations and comparing them to ... Read more

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This unique thesis covers all aspects of theories of gravity beyond Einstein’s General Relativity, from setting up the equations that describe the evolution of perturbations, to determining the best-fitting parameters using constraints like the microwave background radiation, and ultimately to the later stages of structure formation using state-of-the-art N-body simulations and comparing them to
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The MEDIUM Disclosure II - Constitutive Physics of the Absolute Medium

by smbarua ...

The MEDIUM Disclosure II presents a revolutionary framework reinterpreting all physical phenomena—from quantum mechanics to cosmology—as emergent properties of a single mechanical substrate: the Absolute Medium (AM). This work systematically develops a constitutive theory replacing geometric abstractions with tangible physical processes.Core Thesis: The Universe Is Not EmptyThe book resolves the ... Read more

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The MEDIUM Disclosure II presents a revolutionary framework reinterpreting all physical phenomena—from quantum mechanics to cosmology—as emergent properties of a single mechanical substrate: the Absolute Medium (AM). This work systematically develops a constitutive theory replacing geometric abstractions with tangible physical processes.Core Thesis: The Universe Is Not EmptyThe book resolves the
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Mecanica cuantică fenomenologică

by Nicolae Sfetcu ...

O introducere la nivel fenomenologic, cu un aparat matenatic minimal, în mecanica cuantică. Un ghid pentru cine dorește să înțeleagă cea mai modernă, mai complexă și mai neconformă disciplină fizică, un domeniu care a schimbat fundamental percepțiile oamenilor de știință despre Lume.În 1900, Max Planck a introdus ideea că energia este cuantificată, pentru a obţine o formulă la energia emisă de un ... Read more

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O introducere la nivel fenomenologic, cu un aparat matenatic minimal, în mecanica cuantică. Un ghid pentru cine dorește să înțeleagă cea mai modernă, mai complexă și mai neconformă disciplină fizică, un domeniu care a schimbat fundamental percepțiile oamenilor de știință despre Lume.În 1900, Max Planck a introdus ideea că energia este cuantificată, pentru a obţine o formulă la energia emisă de un
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Redshift and Speed of Light

Gravitation, #25

by James Constant ...

Series Book 25 - Gravitation
In redshift, the wavelength and time of wave change. Does the speed of light change? Locally and at the source, relativistic theories are amply determined and thus confirmed. In cosmology, however, relativistic theories assert that c = co without proof determined at the source. The Doppler effect leaves open the possibility that in cosmology relativistic theories are inapplicable. ... Read more

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In redshift, the wavelength and time of wave change. Does the speed of light change? Locally and at the source, relativistic theories are amply determined and thus confirmed. In cosmology, however, relativistic theories assert that c = co without proof determined at the source. The Doppler effect leaves open the possibility that in cosmology relativistic theories are inapplicable.
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Speed of Gravity

Gravitation, #7

by James Constant ...

Series Book 7 - Gravitation
Electrostatics exemplified by Coulomb's law and Electrodynamics exemplified by Maxwell's equations are two forms of electric effects caused by electrons and photons. Electrodynamic phenomena in particular exhibit time-like wave motion of electric fields and photons. Gravitational phenomena on the other hand are less inclusive. Gravistatics exemplified by Newton's Law of Gravitation is the only ... Read more

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Electrostatics exemplified by Coulomb's law and Electrodynamics exemplified by Maxwell's equations are two forms of electric effects caused by electrons and photons. Electrodynamic phenomena in particular exhibit time-like wave motion of electric fields and photons. Gravitational phenomena on the other hand are less inclusive. Gravistatics exemplified by Newton's Law of Gravitation is the only
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The Gravitational Probe B Boondoggle

Gravitation, #16

by James Constant ...

Series Book 16 - Gravitation
Einstein's theory, in its so called weak gravity field linearized version, approximately reduces to Newton's theory. Conflicting linearizations depend on their authors and, are heavily mathematical, involve non-physical geometrical concepts, and rely on Newtonian type tests and results. For example, Einstein's theory does not inform us how, absent force, his warped geometry might actuate Newton's ... Read more

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Einstein's theory, in its so called weak gravity field linearized version, approximately reduces to Newton's theory. Conflicting linearizations depend on their authors and, are heavily mathematical, involve non-physical geometrical concepts, and rely on Newtonian type tests and results. For example, Einstein's theory does not inform us how, absent force, his warped geometry might actuate Newton's
... Read more
Relativity and Gravitation

100 Years after Einstein in Prague

Edited by Jiří Bičák, Tomáš Ledvinka ...

Series series Springer Nature Proceedings excluding Computer Science
In early April 1911 Albert Einstein arrived in Prague to become full professor of theoretical physics at the German part of Charles University. It was there, for the first time, that he concentrated primarily on the problem of gravitation. Before he left Prague in July 1912 he had submitted the paper “Relativität und Gravitation: Erwiderung auf eine Bemerkung von M. Abraham” in which he remarkably ... Read more

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In early April 1911 Albert Einstein arrived in Prague to become full professor of theoretical physics at the German part of Charles University. It was there, for the first time, that he concentrated primarily on the problem of gravitation. Before he left Prague in July 1912 he had submitted the paper “Relativität und Gravitation: Erwiderung auf eine Bemerkung von M. Abraham” in which he remarkably
... Read more
The First Law of Mechanics in General Relativity & Isochrone Orbits in Newtonian Gravity

by Paul Ramond ...

Series series Physics and Astronomy (R0)
The thesis tackles two distinct problems of great interest in gravitational mechanics — one relativistic and one Newtonian. The relativistic one is concerned with the "first law of binary mechanics", a remarkably simple variational relation that plays a crucial role in the modern understanding of the gravitational two-body problem, thereby contributing to the effort to detect gravitational-wave ... Read more

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The thesis tackles two distinct problems of great interest in gravitational mechanics — one relativistic and one Newtonian. The relativistic one is concerned with the "first law of binary mechanics", a remarkably simple variational relation that plays a crucial role in the modern understanding of the gravitational two-body problem, thereby contributing to the effort to detect gravitational-wave
... Read more
What is Real?:Space Time Singularities or Quantum Black Holes?Dark Matter or Planck Mass Particles? General Relativity or Quantum Gravity? Volume or Area Entropy Law?

Beyond Einstein, #10

by Balungi Francis ...

Series Book 10 - Beyond Einstein
What exactly is physical reality? In elegant and accessible prose, theoretical physicist Balungi Francis leads us on a wondrous journey from space time singularities to Quantum Black Holes without information loss, from the Bekenstein-Hawking Area entropy law to his famous Volume entropy law of Black holes, from Modified Newtonian Dynamics, Dark Matter to Planck mass particles, from White Dwarfs ... Read more

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What exactly is physical reality? In elegant and accessible prose, theoretical physicist Balungi Francis leads us on a wondrous journey from space time singularities to Quantum Black Holes without information loss, from the Bekenstein-Hawking Area entropy law to his famous Volume entropy law of Black holes, from Modified Newtonian Dynamics, Dark Matter to Planck mass particles, from White Dwarfs
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Symmetries in Fundamental Physics

by Kurt Sundermeyer ...

Series series Physics and Astronomy (R0)
Over the course of the last century it has become clear that both elementary particle physics and relativity theories are based on the notion of symmetries. These symmetries become manifest in that the "laws of nature" are invariant under spacetime transformations and/or gauge transformations. The consequences of these symmetries were analyzed as early as in 1918 by Emmy Noether on the level of ... Read more

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Over the course of the last century it has become clear that both elementary particle physics and relativity theories are based on the notion of symmetries. These symmetries become manifest in that the "laws of nature" are invariant under spacetime transformations and/or gauge transformations. The consequences of these symmetries were analyzed as early as in 1918 by Emmy Noether on the level of
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Discrete Causal Theory

Emergent Spacetime and the Causal Metric Hypothesis

by Benjamin F. Dribus ...

Series series Physics and Astronomy (R0)
This book evaluates and suggests potentially critical improvements to causal set theory, one of the best-motivated approaches to the outstanding problems of fundamental physics. Spacetime structure is of central importance to physics beyond general relativity and the standard model. The causal metric hypothesis treats causal relations as the basis of this structure. The book develops the ... Read more

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This book evaluates and suggests potentially critical improvements to causal set theory, one of the best-motivated approaches to the outstanding problems of fundamental physics. Spacetime structure is of central importance to physics beyond general relativity and the standard model. The causal metric hypothesis treats causal relations as the basis of this structure. The book develops the
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The Potential of Fields in Einstein's Theory of Gravitation

by Zafar Ahsan ...

This book presents a detailed study of the Lanczos potential in general relativity by using tetrad formalisms. It demonstrates that these formalisms offer some simplifications over the tensorial methods, and investigates a general approach to finding the Lanczos potential for algebraic space–time by translating all the tensorial relations concerning the Lanczos potential into the language of ... Read more

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This book presents a detailed study of the Lanczos potential in general relativity by using tetrad formalisms. It demonstrates that these formalisms offer some simplifications over the tensorial methods, and investigates a general approach to finding the Lanczos potential for algebraic space–time by translating all the tensorial relations concerning the Lanczos potential into the language of
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I pianeti del sistema solare

by Alice Colzani ...

I pianeti del sistema solare sono tra gli oggetti che più alimentano le fantasie degli aspiranti astronomi. In quanti non hanno sognato, da bambini, di diventare astronauti e di essere la prima persona a mettere piede su Marte. Per di più, i pianeti del sistema solare riescono abbastanza spesso a balzare agli onori di cronaca. Le foto di Plutone scattate dalla sonda New Horizon nel 2015 hanno ... Read more

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I pianeti del sistema solare sono tra gli oggetti che più alimentano le fantasie degli aspiranti astronomi. In quanti non hanno sognato, da bambini, di diventare astronauti e di essere la prima persona a mettere piede su Marte. Per di più, i pianeti del sistema solare riescono abbastanza spesso a balzare agli onori di cronaca. Le foto di Plutone scattate dalla sonda New Horizon nel 2015 hanno
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Senso di equilibrio

by Marcello Campione ...

Disciplina spesso misteriosa e complessa, la fisica viene qui raccontata quale esperienza intellettuale e sentimentale, mostrando il modo in cui influenza l’interpretazione della realtà e come i suoi concetti diventano azioni e sensazioni, e viceversa. La fisica come esperienza di vita, in cui il concetto di equilibrio è il cardine interpretativo per comprendere la natura a partire dalla sua ... Read more

PHP362.02 or Free with Kobo Plus

Disciplina spesso misteriosa e complessa, la fisica viene qui raccontata quale esperienza intellettuale e sentimentale, mostrando il modo in cui influenza l’interpretazione della realtà e come i suoi concetti diventano azioni e sensazioni, e viceversa. La fisica come esperienza di vita, in cui il concetto di equilibrio è il cardine interpretativo per comprendere la natura a partire dalla sua
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Recommended For You

Gravity eBooks

The Universe

Black Holes

The Biggest Ideas in the Universe

Canonical Quantum Gravity: Fundamentals And Recent Developments

Introducing Newton

Structural Analysis Of The New Formulae On Gravity And Repulsion

Einstein, Arthur Eddington, and Astronomy

Escaping Gravity

Derivation of Newton's Law of Gravitation

Geometry, Lie Theory and Applications

Structure Formation in Modified Gravity Cosmologies

The MEDIUM Disclosure II - Constitutive Physics of the Absolute Medium

Mecanica cuantică fenomenologică

Redshift and Speed of Light

Speed of Gravity

The Gravitational Probe B Boondoggle

Relativity and Gravitation

The First Law of Mechanics in General Relativity & Isochrone Orbits in Newtonian Gravity

What is Real?:Space Time Singularities or Quantum Black Holes?Dark Matter or Planck Mass Particles? General Relativity or Quantum Gravity? Volume or Area Entropy Law?

Symmetries in Fundamental Physics

Discrete Causal Theory

The Potential of Fields in Einstein's Theory of Gravitation

I pianeti del sistema solare

Senso di equilibrio