information definition

How to Better Define Information in Physics

2 Comments
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When I ask questions about conservation of information I frequently…
Sagittarius_A

Calculating the Spin of Black Hole Sagittarius A*

1 Comments
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This Insight takes a look at how it is possible to calculate…
Niels_Tuning2

Interview with Niels Tuning, LHCb Run Coordinator

1 Comments
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Physics Forums is pleased to introduce Niels Tuning. He's a…

What Academic Advice Would You Tell Your 18 Year Old Self?

14 Comments
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We asked our PF Advisors to tell us what academic advice would…
algorithms

Intro to Algorithms for Programming

25 Comments
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Many threads here at PF include some question about how to learn…
maxima

Solving Einstein's Field Equations in Maxima

2 Comments
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A few months ago, pervect pointed me to a post by Chris Hillman…
advisor_textbooks

What's Your Most Memorable Textbook?

9 Comments
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We asked our PF Advisors to tell us their most memorable or influential…
bizarro_univerise

Lessons From the Bizzaro Universe

23 Comments
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The terms Bizarro and Bizarro World originated in Superman comics,…
ridler_motion2

Rindler Motion in Special Relativity, Part 2: Rindler Coordinates

27 Comments
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Our destination In our last article, Hyperbolic Trajectories,…
sun_getting_smaller

Either the Sun Is Getting Smaller or Gravity Is Getting Weaker

23 Comments
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Paper discussion: Solar system expansion and strong equivalence…
ridler_motion

Rindler Motion in Special Relativity, Part 1: Hyperbolic Trajectories

5 Comments
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Introduction: Why Rindler Motion? When students learn relativity,…
adam_becker

Interview with Astrophysicist Adam Becker

129 Comments
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Adam Becker is an astrophysicist and science writer whose first…
statmech2

Statistical Mechanics Part II: The Ideal Gas

9 Comments
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Read Part 1: Equilibrium Systems The Ideal Gas: Boltzmann's…
classicalphysics

"Classical Physics Is Wrong" Fallacy

142 Comments
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One of the common questions or comments we get on PF is the claim…
hilbertspaces2

Hilbert Spaces And Their Relatives - Part II

3 Comments
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  Operators. The Maze Of Definitions. We will use…
cliffordjohnson

Interview with Theoretical Physicist Clifford V. Johnson

7 Comments
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Clifford V. Johnson is a professor in the Physics and Astronomy…
hilbertspaces

Hilbert Spaces and Their Relatives Part I

1 Comments
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  Basics Language first: There is no such thing as…
qft_renormalization

Mathematical Quantum Field Theory - Renormalization

9 Comments
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This is one chapter in a series on Mathematical Quantum Field…

Name the Science Book Author Quiz

23 Comments
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Let's see how well you know your science book authors. Some are…

Mathematical Quantum Field Theory - Interacting Quantum Fields

3 Comments
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This is one chapter in a series on Mathematical Quantum Field…
qft_freequantum

Mathematical Quantum Field Theory - Free Quantum Fields

1 Comments
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This is one chapter in a series on Mathematical Quantum Field…
bb_infinity2

Intro to Big Bang and Infinity Concepts

30 Comments
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This article is part of our student writer series. The writer…
drak

Interview with a Mentor: Drakkith

7 Comments
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  Give us an early bio on yourself Well, I was born…
journeycosmos3

A Journey Into the Cosmos - FLRW Metric and The Friedmann Equation

1 Comments
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This article is part of our student writer series. The writer…
qm_interpretations

The Fundamental Difference in Interpretations of Quantum Mechanics

190 Comments
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A topic that continually comes up in discussions of quantum mechanics…
qtf_quantization

Mathematical Quantum Field Theory - Quantization

15 Comments
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The following is one chapter in a series on Mathematical Quantum…
statmech1

Statistical Mechanics Part I: Equilibrium Systems

19 Comments
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This is the first of a multi-part series of articles intended…
expandinguniverse

Coordinate Dependent Statements in an Expanding Universe

2 Comments
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In this Insight we will discuss the general Friedmann--Lemaitre--Robertson--Walker…

Demystifying the Chain Rule in Calculus

7 Comments
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Introduction There are a  number of posts on PF involving…
gps3

The Schwarzschild Metric: Part 3, A Newtonian Comparison

2 Comments
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A Short Proof of Birkoff's Theorem derived the Schwarzschild…
debatetips

3 New Years Tips For Cooling Off Debates

20 Comments
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  Civil discussion and debate is critical to Physics…
gps2

The Schwarzschild Metric: Part 2, The Photon Sphere

2 Comments
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  A Short Proof of Birkoff's Theorem derived the Schwarzschild…
qft_gauge

Mathematical Quantum Field Theory - Gauge Fixing

1 Comments
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The following is one chapter in a series of Mathematical Quantum…
gps1

The Schwarzschild Metric: Part 1, GPS Satellites

4 Comments
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  A Global Positioning System (GPS) device gives your…
textbook

The Birth of a Textbook

73 Comments
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  It is said that you should accomplish three things…
cosmosintro

A Journey Into the Cosmos - The Friedmann Equation

6 Comments
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  This article is part of our student writer series.…
qtf_phased_space

Mathematical Quantum Field Theory - Reduced Phase Space

4 Comments
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The following is one chapter in a series on Mathematical Quantum…
workethic

Work Ethic Is a Key to Success for Science Majors

25 Comments
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After earning a 4.0 GPA in his first semester as a…
arnold

Interview with Mathematician and Physicist Arnold Neumaier

38 Comments
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Please give us a brief background on yourself Over 40 years…