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Participate in expert physics discussion. Discussion on the nature and properties of matter and energy. This area is for topics that don't fit the other categories. Mainstream physics only.
High School Why Is Toffee Chewy and What Are the Mechanical Properties of Chocolate?
  • meawinner
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High School Understanding Celsius vs Kelvin: A Comprehensive Guide | Napster Help
  • Phyzor
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High School What Resource Clarifies Physics Terms Like Kinetic Energy and Momentum?
  • Lyuokdea
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High School Making Ozone, (O3) HOW TO DO THIS?
  • ramair2001
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I claim the discovery of the first time machine but i wont go any further since
  • raaaid
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High School Physics Prof Pronounces φ as "Phee
  • gnome
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8
News Global geophysical events so why doesn't anybody care?: The Gaurdian
  • Ivan Seeking
  • · Replies 13 ·
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High School Surface Tension: Force, Unit & Questions
  • techno
  • · Replies 1 ·
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Undergrad Can Gravitational and Electromagnetic Forces Defy Conservation of Energy?
  • anand
  • · Replies 12 ·
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High School Problem solving tips for physics exams
  • decibel
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4
Undergrad How Does the Geometry of Bird V Formation Enhance Energy Efficiency?
  • Jug
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High School What inspired your interest in physics?
  • RageSk8
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9
Graduate Ratiocination of Newton & Coloumb Constants
  • TheDestroyer
  • · Replies 12 ·
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12
What are the 20 grams a person loses when he dies?
  • raaaid
  • · Replies 5 ·
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5
Undergrad Is Zero a standard or a reality?
  • scott_sieger
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Graduate First post. Hello, my name is Davin. Questions.
  • Digital_Junkie
  • · Replies 7 ·
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7
Undergrad Discussing the Kobe Treaty on Greenhouse Gasses
  • selfAdjoint
  • · Replies 7 ·
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High School Understanding Dimensions and the Concept of Time in Science
  • Jessica
  • · Replies 13 ·
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13
Graduate Gas Bubble Sinks Trawler Off Scotland Coast - Monash Univ. Study
  • Ivan Seeking
  • · Replies 5 ·
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5
Einstein's Special Relativity: Authentic or Not?
  • einsteinian77
  • · Replies 20 ·
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20
Graduate Is Belief Necessary for Scientific Discovery?
  • scott_sieger
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6
Some comets are only visible with the help of a telescope
  • Greg Bernhardt
  • · Replies 2 ·
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Graduate Matti Pitkänen: Explaining UFO Experiences with TGD
  • Ivan Seeking
  • · Replies 16 ·
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High School What Are the Key Benefits of Spacecraft Thrusters Beyond Speed Control?
  • thegame
  • · Replies 1 ·
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Undergrad Gravity differential diagram. last try
  • scott_sieger
  • · Replies 12 ·
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12
What is the difference between an expert and an authority?
  • pmb
  • · Replies 12 ·
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12
High School Does a Duck's Quack Really Not Echo?
  • Andy
  • · Replies 4 ·
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4
High School How many times more luminous is the Milky Way compared to our Sun?
  • Greg Bernhardt
  • · Replies 11 ·
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11
Can Multi-Dimensional Geometry Explain Cosmic Curvature?
  • Gerald St. Germaine
  • · Replies 1 ·
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Is this drawing just pure nonsense?
  • scott_sieger
  • · Replies 3 ·
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3
Is Einstein's Use of God and Questionable Quotes Justifiable?
  • PRodQuanta
  • · Replies 33 ·
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  • Poll Poll
Graduate The Five Dimensions of Gravity - almanassier.com
  • Raaid Mustafa
  • · Replies 7 ·
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High School Need image of absorption and emission spectra for sodium
  • Stanley Tran
  • · Replies 2 ·
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High School Difference between energy and force?
  • syano
  • · Replies 5 ·
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5
Undergrad Relationship between Time and Motion
  • Hyperreality
  • · Replies 2 ·
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2
High School Discovering the Father of the Greenhouse Effect: His Origin, Work, and Findings
  • kath102245
  • · Replies 2 ·
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High School Ac Spark Length: General Guidelines
  • Fullhawking
  • · Replies 4 ·
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4
Ending Strange Arguments: Simple Tips for Maintaining Peace
  • Lord Ping
  • · Replies 9 ·
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9
Graduate Power of People: Impact of Unsupported Energy on Social Change
  • selfAdjoint
  • · Replies 4 ·
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4
Undergrad Why Does Matter Want Lowest Potential Energy?
  • petmar
  • · Replies 13 ·
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13
Undergrad How Do Boolean Functions Influence Air Hockey Shot Angles?
  • MathematicalPhysicist
  • · Replies 4 ·
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4
Graduate Find how well you or someone measures up as a crackpot
  • jammieg
  • · Replies 5 ·
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5
Graduate Is a 1-to-1 Correspondence Possible Between Any Two Real Numbers in [a,b]?
  • Organic
  • · Replies 82 ·
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What can I expect to learn about Physics and Calculus on this forum?
  • renedox
  • · Replies 24 ·
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The Heisenberg Uncertainty Principle -> Life is uncertain
  • Tsu
  • · Replies 2 ·
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High School List the major branch of Physics
  • steph01mcd
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Undergrad Why Do Electrons Not Attract the Nucleus Despite Opposite Charges?
  • sanjuro
  • · Replies 8 ·
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8
Undergrad Calculating Radius of a Spherical Turkey
  • Gale
  • · Replies 8 ·
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8
Crazy time machine guy from the future?
  • cmbezln
  • · Replies 3 ·
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3
Is global warming natural or manmade?
  • wolram
  • · Replies 2 ·
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2
Why Is Kip Thorne My Favorite Physicist?
  • Greg Bernhardt
  • · Replies 23 ·
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23
Undergrad How Long Can I Pursue a Physics Minor Before Advanced Math Becomes Overwhelming?
  • Rockazella
  • · Replies 1 ·
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High School What is life according to physics?
  • benzun_1999
  • · Replies 6 ·
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6
How can I contact Michio Kaku?
  • guitarusa2001
  • · Replies 4 ·
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4
High School Solar Flares: Fire Loops in the Corona
  • Greg Bernhardt
  • · Replies 7 ·
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7
Graduate What Does Information Really Mean?
  • adi
  • · Replies 20 ·
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20
Undergrad Where Can I Find Good Physics Learning Resources?
  • LostPuppy
  • · Replies 6 ·
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6
High School Understanding Physics: A Struggling Student's Guide
  • Gale
  • · Replies 3 ·
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3
Report: Giant Arctic ice shelf breaks up: CNN
  • Ivan Seeking
  • · Replies 1 ·
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Undergrad Finding the Debye Length for Xenon Ions
  • drag
  • · Replies 1 ·
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1
Whats the most important development in physics in the last 10 years?
  • coolnessitself
  • · Replies 3 ·
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Future of Warfare: Types & Possibilities
  • Greg Bernhardt
  • · Replies 17 ·
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Graduate Solving the Science vs. Faith Debate: Understanding the Higher Dimensions Theory
  • mendonca
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Graduate Complementary Associations Theory
  • Doron Shadmi
  • · Replies 3 ·
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Art Bell Returns: Weekend Replacing Barbara Simpson
  • Dave's Haarp
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High School Discover the Magic of a Simple Magnetic Overunity Toy - Free Energy Device
  • Jonathan
  • · Replies 5 ·
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5
Undergrad Why Nabla Symbol Not Listed Under Math Symbols
  • Dave's Haarp
  • · Replies 1 ·
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Undergrad Can mass be created or destroyed?
  • physicsnewbie
  • · Replies 56 ·
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Undergrad When is a subject one of science?
  • Ivan Seeking
  • · Replies 17 ·
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Listen to Richard Feynman's Lost Lecture on the Solar System
  • kishtik
  • · Replies 5 ·
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High School What's the definition of energy?
  • Wasper
  • · Replies 19 ·
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19
If Einstein was still alive, what would you ask him?
  • Greg Bernhardt
  • · Replies 24 ·
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24
Why Do People Find Physics Fascinating?
  • coolnessitself
  • · Replies 4 ·
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4
Undergrad Can Matter Be Converted into Energy or Just Mass?
  • Whitestar
  • · Replies 8 ·
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8
Is "The Core" based on real science or just pure fiction?
  • tee
  • · Replies 7 ·
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7
Is Plusminus Theory Valid? (Retry)
  • arcnets
  • · Replies 1 ·
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High School Has Physics Made World-Changing Advances in the Last Decade?
  • kcballer21
  • · Replies 13 ·
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Graduate Can sensory apparatuses unlock the secrets of the Deep Future at Starlab?
  • christaltman
  • · Replies 4 ·
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4
Will Anti-Gravity Technology Become a Reality Soon?
  • kauai_diver
  • · Replies 38 ·
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Low Frequency Sound & Ghostly Experiences
  • Phobos
  • · Replies 2 ·
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Graduate Is a Technological Singularity Near, and How Can We Prepare for Its Impact?
  • Ontoplankton
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Undergrad Solve Volume Density Problem for College Physics [Answer Included]
  • groundknifer
  • · Replies 5 ·
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5
High School Where Can I Find Comprehensive Physics Resources for IB Students?
  • Debaser
  • · Replies 7 ·
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7
  • Poll Poll
Represent the concept of Time best?
  • kikuchiyo
  • · Replies 14 ·
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14
Undergrad Major in Physics: Need Natural Ability or Hard Work?
  • meister
  • · Replies 12 ·
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High School Is the Human Body Really 99.9999% Empty Space According to Casimir's Prediction?
  • Inquiring_Mike
  • · Replies 7 ·
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7
Neptune has a core made up of what
  • Greg Bernhardt
  • · Replies 6 ·
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High School What Is Time Scientifically?
  • benzun_1999
  • · Replies 6 ·
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6
High School H: Can Aluminum Stop Magnetic Force? | Debunking a Common Misconception
  • Kgaul
  • · Replies 2 ·
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High School Answer Simple Question: Is it Harder to Turn the Pivot with a Bulb?
  • kishtik
  • · Replies 2 ·
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Graduate Can Physical Outcomes Ever Be 100% Predictable?
  • Loren Booda
  • · Replies 2 ·
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2
Humans could be living on the Moon within 20 years: BBC
  • Ivan Seeking
  • · Replies 17 ·
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Undergrad Zero Point Energy related books?
  • PiRsq
  • · Replies 2 ·
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Mars Watch: Where is the Red Planet Now?
  • Ivan Seeking
  • · Replies 11 ·
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Graduate Can Bio-Physical Microwormholes Explain the Universe?
  • emanon
  • · Replies 6 ·
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6
Graduate Why Is Zero-Point Energy Gaining Credibility Despite Lack of Proof?
  • wolram
  • · Replies 3 ·
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3
Discovering Time: A Fun Exploration | Dr. Physica's Tips
  • ddr
  • · Replies 12 ·
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12
High School School Physicists: Archimedes to Fermi
  • arcnets
  • · Replies 23 ·
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Did Anyone Win AOL Member Awards?
  • wolram
  • · Replies 4 ·
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4
Graduate Is Sarfatti's Theory of Backactivity the Key to Understanding Flying Saucers?
  • Ivan Seeking
  • · Replies 2 ·
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