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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 How Does Bass Shake a Room?
  • chengbin
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Graduate Mystery: Failed Name: a much simpler one was chosen
  • rhody
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High School What is the equation for calculating uncertainties in physics?
  • flyboy9
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Graduate How Does Quantum Mechanics Connect with Consciousness?
  • alex.cordero
  • · Replies 36 ·
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Undergrad Is there an equation for predicting when a stream breaks into droplets?
  • leorex
  • · Replies 1 ·
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1
Unit Conversions: 5000+ Units & 70000+ Conversions!
  • Converter
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Graduate Is Asymmetric Capacitive Propulsion at Play in Meniscus Propulsion?
  • wywong
  • · Replies 10 ·
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10
High School What determines shape of dust nucleus?
  • Nordstrom
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3
Undergrad Physics in Honey I Shrunk the Kids
  • mmlol
  • · Replies 8 ·
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8
What are some unique music experiments to try?
  • Epsillon
  • · Replies 19 ·
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19
Where can we find a summary of the discoveries of every year
  • jonjacson
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5
  • Poll Poll
What do you guys think of physics
  • jhooper3581
  • · Replies 28 ·
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28
High School Stationary Waves: Reflection & Odd Harmonics
  • FizixFreak
  • · Replies 8 ·
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8
Undergrad Sine Wave Addition: Standing Waves?
  • marla11
  • · Replies 6 ·
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6
Undergrad Soils, mud, dirt Sticking to glass?
  • dpg1
  • · Replies 1 ·
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1
Ways to reduce carbon footprint-sensible, with numbers
  • mgb_phys
  • · Replies 1 ·
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Graduate An equation in fluid dynamic ~ me ~
  • abcdefg10645
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3
[ Speakers for my Exhibition Room ]
  • Conanooo
  • · Replies 2 ·
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2
UFO-Electromagnetic Levitation Demonstration
  • Unbeliever
  • · Replies 10 ·
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10
Undergrad Fractional uncertainty and propagation of uncertainties
  • quietrain
  • · Replies 2 ·
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2
Graduate Recreating the Millikan Experiment: Analysis and Error Considerations
  • randybryan
  • · Replies 2 ·
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2
High School Hypotheses, theories, laws and principles?
  • wrongusername
  • · Replies 5 ·
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5
Graduate What shapes can planets take in a strange universe?
  • elzoog
  • · Replies 25 ·
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25
Undergrad Is Division by Zero Possible in Physics?
  • FeDeX_LaTeX
  • · Replies 8 ·
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8
Where does energy originate from?
  • FuRiOuS1
  • · Replies 2 ·
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2
High School What does stability mean in chemistry?
  • johncena
  • · Replies 2 ·
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2
High School Principle & Working of U-Tube Manometer
  • pras_quantum
  • · Replies 6 ·
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6
High School Creating a Popsicle Stick Parachute: The Egg Drop Challenge
  • carebearsgirl
  • · Replies 1 ·
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1
Graduate Calculating Uncertainty in Gradient & Intercept of Line of Best Fit
  • Identity
  • · Replies 2 ·
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2
High School What is a Wave? Explaining the Basics of Wave Phenomena
  • craig1888
  • · Replies 12 ·
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12
Graduate Waves under Boundary Conditions
  • Gear300
  • · Replies 3 ·
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3
High School Electrostatic Wall: David Swenson's 3M Anomaly
  • wolram
  • · Replies 10 ·
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10
Infinity machines where to buy?
  • pslarsen
  • · Replies 10 ·
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10
High School Bending a Candle Flame - What Causes It?
  • Lancelot59
  • · Replies 2 ·
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2
Undergrad Determining the distance of a pipe by the length of an echo
  • workinprogres
  • · Replies 1 ·
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1
High School What Unique Kinematics Phenomenon Can Be Captured in a Photo?
  • um0123
  • · Replies 11 ·
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11
Undergrad Why Do Physics Books Still Use the Bohr Model?
  • dlevanchuk
  • · Replies 6 ·
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6
High School What Does 'Jiffy' Mean in Science and Technology?
  • dlgoff
  • · Replies 3 ·
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3
What is the true meaning of nothingness?
  • FeDeX_LaTeX
  • · Replies 3 ·
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3
High School Physics Notation Help: M_\odot - Mass?
  • FeDeX_LaTeX
  • · Replies 1 ·
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1
Graduate The Limitations of Distance Perception in Everyday Life
  • JK423
  • · Replies 6 ·
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6
No FEMALE won the Nobel Prize in physics
  • drizzle
  • · Replies 45 ·
2
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Undergrad Why Is the Constant Excluded in Uncertainty Calculations?
  • elitewarr
  • · Replies 3 ·
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3
Undergrad Does More Air Pressure Increase or Decrease Trumpet Volume?
  • brandonc
  • · Replies 6 ·
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6
High School Converting dBm to dB: A Simple Guide
  • kd001
  • · Replies 7 ·
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7
Undergrad Absorption spectrum in chlorophyll
  • annnna
  • · Replies 2 ·
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2
Graduate Causality & Psychics: How Would Physics Change?
  • Legion81
  • · Replies 2 ·
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2
Undergrad Poisson dist. with small numbers
  • penguindecay
  • · Replies 12 ·
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12
Of the three main sciences: physics, bio and chem which did YOU find hardest
  • crazco
  • · Replies 11 ·
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11
Undergrad Best Materials for Microwave Heating (No Metal)
  • granttsmith
  • · Replies 6 ·
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6
High School How Mass is Determined: Uncovering the Mystery of Weight and Matter
  • clm321
  • · Replies 1 ·
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Graduate Difference between Nothing & Vacuum
  • jgabase
  • · Replies 8 ·
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8
Undergrad Why is gold plated on high end audio equipment instead of using copper?
  • paulhunn
  • · Replies 8 ·
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8
High School Why is Matter Visible Despite Empty Space?
  • saln1
  • · Replies 5 ·
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5
Is Scientific Knowledge Just Common Sense? A Look at Hawking's Universe
  • Evo
  • · Replies 6 ·
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6
High School Swimming in short wavelength waves and high wavelength waves
  • ap_cycles
  • · Replies 4 ·
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Undergrad Interesting interferometer experiment
  • crx
  • · Replies 13 ·
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13
High School Ideal Gas in the Classroom: Quiet and Not Smelly?
  • SELFMADE
  • · Replies 1 ·
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1
Undergrad How Can I Navigate Modern Physics Discussions and Avoid Crackpottery?
  • jacksonwalter
  • · Replies 29 ·
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High School Maximizing Door Lock Security: Factors to Consider for Optimal Protection
  • chrisalviola
  • · Replies 6 ·
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6
Can You Tour the LHC in Switzerland?
  • hamster143
  • · Replies 9 ·
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9
Undergrad Q's regarding Conceptual Physics
  • S.O.M.
  • · Replies 16 ·
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Undergrad Ferrofluids Research: Ideas and Suggestions
  • po10
  • · Replies 1 ·
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1
High School Flames: What Are Fire Flames Made Up Of?
  • rishimittal
  • · Replies 10 ·
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10
Undergrad Calculating Decibel Levels with Increasing Fans
  • shemer77
  • · Replies 1 ·
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Undergrad 9/11 report commissioned by the US government accurate
  • bonjour
  • · Replies 2 ·
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2
Undergrad What happens to bubbles in fizzy drinks in zero gravity?
  • normality
  • · Replies 2 ·
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Would finely dispersed radioactive aerosols be correct to say?
  • E-nterpreter
  • · Replies 3 ·
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Undergrad Is mechanics considered part of physics?
  • magwas
  • · Replies 13 ·
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High School Can clothes dry without any air movement
  • jamesabc
  • · Replies 10 ·
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10
Undergrad Physics Proofs: What to Expect as a Physics Major
  • cue928
  • · Replies 2 ·
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2
Can a plane take off on a conveyor belt?
  • D H
  • · Replies 8 ·
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8
ARRRH I'm gonna explode. This is my pet hate
  • uart
  • · Replies 10 ·
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10
Undergrad How Does the Scanning Helium Ion Microscope Compare to Electron Microscopes?
  • Leopold Infeld
  • · Replies 15 ·
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15
Niels Bohr: The Gunslinger Scientist
  • Doc Al
  • · Replies 9 ·
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9
Undergrad Can Mass Be Directly Created According to E=MC^2?
  • Epic Sandwich
  • · Replies 4 ·
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4
Graduate How Does the Gravity Field in a Cave Compare to That in a Homogeneous Sphere?
  • kram83
  • · Replies 1 ·
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High School Convert 2.8g/cm3 to kg m-3: Formula Explained
  • kaye77
  • · Replies 1 ·
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1
High School I just created a vacuum in a cup when doing the dishes?
  • riskybeats
  • · Replies 3 ·
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3
Graduate Who are the Top Ten Living String Theorists?
  • narniaoff
  • · Replies 19 ·
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19
The Rainbow Thread: Seeing & Sharing Unusual Phenomena
  • Jimmy Snyder
  • · Replies 16 ·
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16
Graduate Is Moving Dimension Theory a Crackpot Theory?
  • Yokanise
  • · Replies 14 ·
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14
High School Physics of Windmills - Get Info & References
  • brucephy
  • · Replies 8 ·
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8
Undergrad Dynamic, Electricity and Magnetism, Gravitational Force, Light etc.
  • dark.light
  • · Replies 2 ·
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2
Stephen Hawking: Communicating with the World?
  • Wannabeagenius
  • · Replies 3 ·
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3
Undergrad Help understanding chemistry (an idea for harnessing energy)
  • andrewbb
  • · Replies 35 ·
2
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High School The relevance of physics in the causation of a HEART ATTACK
  • MatsOvechkin
  • · Replies 6 ·
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6
High School Can Fuel-less Magnetic Motors Really Work?
  • DavidWhitt
  • · Replies 7 ·
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7
I lost 10/100 points on a physics exam
  • kliker
  • · Replies 11 ·
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11
High School What is the difference of Dynamics and Physics?
  • QasemAbughazl
  • · Replies 15 ·
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15
Graduate Is Physics Research Truly Useful in Today's World?
  • Stratosphere
  • · Replies 28 ·
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28
Graduate Are Some Physics Questions Just Impossible to Answer With Our Current Brains?
  • Nebula815
  • · Replies 113 ·
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Undergrad Does the viscosity of air change with change in the degree of humidity
  • banerjeerupak
  • · Replies 1 ·
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High School Left Hand Rule of Thumb: Unanswered Questions
  • The LOTR
  • · Replies 5 ·
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5
Looking for the author of this quote
  • bndnchrs
  • · Replies 4 ·
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4
High School Can't get the concept [of energy]
  • johncena
  • · Replies 8 ·
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8
Graduate Murray Gell-Mann: Quark and the Jaguar: A Moment of Illumination
  • rhody
  • · Replies 3 ·
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3
Undergrad Calculate the energy produced by triboluminescence
  • PinkPunisher
  • · Replies 2 ·
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2
Free Classical Physics Lecture Notes
  • quantum123
  • · Replies 7 ·
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7
Undergrad Stability of droplets - using Unduloids
  • rsr_life
  • · Replies 2 ·
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2