Other Physics Topics Forum

Post thread
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 Matter cannot be created or destroyed?
  • cshum00
  • · Replies 21 ·
Replies
21
High School Do Atoms Exist in a Perfect Vacuum?
  • santhony
  • · Replies 80 ·
3
Replies
80
Graduate How to transform Ry unit of Energy to Hartree?
  • new_986
  • · Replies 3 ·
Replies
3
Undergrad Vibration in vacuum. What would happen?
  • uros
  • · Replies 5 ·
Replies
5
High School Physics and science of contortion/flexibility/magic tricks
  • Mt. Nixion
  • · Replies 18 ·
Replies
18
Undergrad How Can I Understand Primal and Dual Problems Along with Simplex?
  • retspool
  • · Replies 2 ·
Replies
2
Undergrad Can a Longitudinal Oscillator Be Seen as a Standing Wave?
  • pinsky
  • · Replies 2 ·
Replies
2
High School Does a T.V. transfer energy to the observer?
  • xrisxs
  • · Replies 1 ·
Replies
1
Undergrad Understanding Solar Sensor Resolution: Explained and Compared | dacruick
  • dacruick
  • · Replies 2 ·
Replies
2
Graduate Time Reversal Symmetry: Particle Motion
  • eoghan
  • · Replies 17 ·
Replies
17
High School Does an Infinite Plane Have a Horizon?
  • ezarhadden
  • · Replies 2 ·
Replies
2
High School Measure Density Precisely w/ Waterproof Balance: Price Guide
  • exponent137
  • · Replies 4 ·
Replies
4
High School As we have so many oil mines around the world, how large are these
  • Grimoutlook
  • · Replies 6 ·
Replies
6
High School What Causes These Unique Swirly Ice Formations?
  • texasblitzem
  • · Replies 6 ·
Replies
6
Graduate Dynamical Qualities and the Informational Paradigm
  • ZachHerbert
  • · Replies 48 ·
2
Replies
48
Undergrad Uncovering the Physics Behind 1/x + 1/x = 1/y
  • antistrophy
  • · Replies 10 ·
Replies
10
Undergrad Is There a Fifth Fundamental Force in Physics?
  • cubey
  • · Replies 5 ·
Replies
5
Undergrad Can You Compress a Vacuum Void?
  • NeilWallace
  • · Replies 47 ·
2
Replies
47
Undergrad Which Vector Notation is Best for Physics, Engineering, and Mathematics?
  • thegreenlaser
  • · Replies 3 ·
Replies
3
What is Athene's Theory of Everything?
  • dankshu
  • · Replies 1 ·
Replies
1
Most exciting areas of research in Physics?
  • TrustInsight
  • · Replies 16 ·
Replies
16
Undergrad I'm trying to explain some physics principles to a general audience
  • sci-guy
  • · Replies 2 ·
Replies
2
Graduate Fourier Transform and Complex Plane
  • evad1089
  • · Replies 5 ·
Replies
5
High School Can I Accurately Test Hardness of Materials Without a Microscope?
  • DrnBrn
  • · Replies 5 ·
Replies
5
Undergrad Physical law behind some physical effects
  • maniferrari
  • · Replies 2 ·
Replies
2
High School What physics (topics) to study to become a pilot
  • Alan Do
  • · Replies 12 ·
Replies
12
Graduate Antimatter at the Speed of Light: Uncovering the Mysteries
  • crapola77
  • · Replies 30 ·
2
Replies
30
Graduate What Really Grinds my Gear about the Dark Phenomena.
  • Nano-Passion
  • · Replies 34 ·
2
Replies
34
Undergrad Discover the Fascinating World of Fine Structure: Explained in Detail
  • physicsnoob12
  • · Replies 1 ·
Replies
1
Undergrad Why Does the Endolymph Move Opposite to Head Movement in Vestibular Function?
  • sameeralord
  • · Replies 3 ·
Replies
3
Graduate Is measurable physics based on three things?
  • JMS61
  • · Replies 8 ·
Replies
8
Graduate Idea for graphics programming project?
  • TriKri
  • · Replies 4 ·
Replies
4
Who Was Einstein's Favorite Physicist?
  • jsantos94
  • · Replies 34 ·
2
Replies
34
High School Can a man made fire be visible a few miles in the night?
  • test_new_sw
  • · Replies 22 ·
Replies
22
High School Convert MPH to lb-force - Easy Guide
  • elmarsur
  • · Replies 3 ·
Replies
3
Graduate Is There a Scientific Basis for 'Hyperspace' Travel in My Fictional World?
  • darkranger85
  • · Replies 10 ·
Replies
10
Undergrad Do Physical Laws Apply to Dreams Like They Do in Waking Reality?
  • Mueiz
  • · Replies 30 ·
2
Replies
30
Does the presence of a cat affect the shock received from a cowherd experiment?
  • fawk3s
  • · Replies 2 ·
Replies
2
Undergrad What Are Some Quirky Science Topics for a Physics Talk?
  • bayners123
  • · Replies 9 ·
Replies
9
Time Machine will not be invented
  • lolerboler
  • · Replies 197 ·
7
Replies
197
Undergrad Tips For How To Understand Application of Integrals In Physics
  • Meadman23
  • · Replies 7 ·
Replies
7
Graduate Is a Homemade Quadrupole Mass Spectrometer Possible?
  • Ravaner
  • · Replies 7 ·
Replies
7
Energy Converter: Find an Online Calculator
  • markys
  • · Replies 2 ·
Replies
2
What Happened to the Advanced Physics Forum?
  • phisix
  • · Replies 6 ·
Replies
6
  • Poll Poll
Virtual Particles: Fact or Fiction?
  • kexue
  • · Replies 25 ·
Replies
25
Undergrad Complex notation of periodic functions
  • Apteronotus
  • · Replies 2 ·
Replies
2
Undergrad Understanding the Significance of Photodiode Bandwidth | Lab Tips
  • komalpahwa65
  • · Replies 1 ·
Replies
1
High School What causes the moon to be bright at night?
  • jobyts
  • · Replies 21 ·
Replies
21
Graduate How Are BV Functions Applied in Physics and Engineering?
  • Hjensen
  • · Replies 3 ·
Replies
3
Graduate What Unanswered Questions from Richard Feynman's Talks Have Been Resolved Today?
  • dkotschessaa
  • · Replies 5 ·
Replies
5
High School Understanding 10mAhr and 10Whr Ratings for Laptop Batteries
  • jackson6612
  • · Replies 10 ·
Replies
10
High School If you look far far away you'll find that you're looking to your back
  • Abdelmadjid
  • · Replies 10 ·
Replies
10
High School Understanding the Concept of Field in Physics: Definition and Relation to Waves
  • TrickyDicky
  • · Replies 9 ·
Replies
9
Graduate Blinded by the light (slight return)
  • Andy Resnick
  • · Replies 5 ·
Replies
5
Do you still find popular science books to be enlightening?
  • Simfish
  • · Replies 12 ·
Replies
12
Graduate Advice Wanted:How To Solve A Problem Without Really Understanding It
  • terryphi
  • · Replies 1 ·
Replies
1
Undergrad Confused about wavelength (basic)
  • mishima
  • · Replies 7 ·
Replies
7
Undergrad Calculating Compressed air leaks within a system
  • rl424
  • · Replies 3 ·
Replies
3
High School Why Does a Longer or Thicker String Produce a Lower Note?
  • 1MileCrash
  • · Replies 10 ·
Replies
10
Undergrad Stagnation points for flow around a cylinder
  • SaveFerris
  • · Replies 3 ·
Replies
3
Graduate Central difference approximation
  • hermano
  • · Replies 1 ·
Replies
1
Graduate Proving the Normal Law of Errors
  • SpaceExplorer
  • · Replies 3 ·
Replies
3
Undergrad Physics Theory Help: Submitting and Solving Complex Ideas
  • Jseraph
  • · Replies 5 ·
Replies
5
What Galactic Processes Did You Dream About in the Milky Way?
  • LogicalAcid
  • · Replies 11 ·
Replies
11
Graduate Given a 2nd order system response, how to get equation ?
  • integralx2
  • · Replies 1 ·
Replies
1
Undergrad Does the butterfly effect apply in reality?
  • BernieM
  • · Replies 89 ·
3
Replies
89
High School Can Non-Live Images Be Captured on a Screen?
  • Amrutha Purna
  • · Replies 6 ·
Replies
6
High School Inverted Mercury Rod: Will Gas Pressure Change?
  • phymatter
  • · Replies 11 ·
Replies
11
High School What are locality and nonlocality?
  • new_986
  • · Replies 2 ·
Replies
2
Graduate Many-Worlds Theory: Existence of Multiple Universes
  • Emanresu56
  • · Replies 91 ·
4
Replies
91
High School Is Observing Starlight a Form of Time Travel?
  • Marco12
  • · Replies 28 ·
Replies
28
Undergrad Uncertainty in Multiplication: Significant Figures vs. Rate
  • ChARMELeOn
  • · Replies 7 ·
Replies
7
High School Starting Non-Calculus Based Physics
  • alyshahj803
  • · Replies 3 ·
Replies
3
Undergrad How Much Data Can a Single Wave Carry?
  • kushl.guptaa
  • · Replies 5 ·
Replies
5
Undergrad MAh, UPS power consumption of laptop
  • jackson6612
  • · Replies 9 ·
Replies
9
Physics paper guessing game: Are you worse than a monkey?
  • D H
  • · Replies 8 ·
Replies
8
Can the Public Tour the Large Hadron Collider?
  • Coin
  • · Replies 2 ·
Replies
2
Liquid Simulation: Cool Visual Effects
  • Kevin_Axion
  • · Replies 14 ·
Replies
14
Graduate Nano-field Will Ultimately Aid Physics Knowledge
  • Nano-Passion
  • · Replies 7 ·
Replies
7
Graduate Is the Grandfather Paradox Truly a Paradox if Feedback is Considered?
  • SJGooch
  • · Replies 13 ·
Replies
13
Undergrad Any arguments for time travel back in time (the past)?
  • PhysicsILike
  • · Replies 44 ·
2
Replies
44
Undergrad In Dimensional analysis why is Lenght/Lenght=1 (a dimensionless number)?
  • ChARMELeOn
  • · Replies 58 ·
2
Replies
58
How many physics friends do you have?
  • zeromodz
  • · Replies 27 ·
Replies
27
Graduate Is there a perception of a prestige hierarchy among physicists?
  • Simfish
  • · Replies 5 ·
Replies
5
High School Pound of TNT to Joules Conversion: Explained and Simplified
  • Pengwuino
  • · Replies 6 ·
Replies
6
Undergrad When the motor is working harder, it needs to rotate faster.
  • jeremy480
  • · Replies 7 ·
Replies
7
High School A 500 pound fly (this is not a HW question)
  • Xelb
  • · Replies 48 ·
2
Replies
48
High School A simple thought experiment | Please confirm
  • michonamona
  • · Replies 4 ·
Replies
4
Graduate Kramers-Kronig relationship between ultrasonic attenuation and phase velocty
  • chauhan89
  • · Replies 2 ·
Replies
2
Graduate Greatest Theoretical Physicists of 20th Century?
  • GoldPheonix
  • · Replies 6 ·
Replies
6
Graduate Does time exist outside one's mind?
  • BeXti
  • · Replies 4 ·
Replies
4
High School What is the Difference Between Vector and Scalar?
  • Aartt
  • · Replies 16 ·
Replies
16
Graduate Solving Difficult Physics Questions: Beyond Technical Thinking?
  • Digitalism
  • · Replies 35 ·
2
Replies
35
Undergrad Trying to about vectors and matrices to aid my game design hobby
  • silverspawn
  • · Replies 1 ·
Replies
1
Graduate Rebutting Fixed Earth Argument: A Response
  • Gabe911
  • · Replies 4 ·
Replies
4
Undergrad Distance Without Time: Possible?
  • swerdna
  • · Replies 45 ·
2
Replies
45
Undergrad Three (hopefully simple) physics puzzlers
  • AxiomOfChoice
  • · Replies 4 ·
Replies
4
Undergrad Uncertainty in measurements and epsilon delta definition of a limit
  • madah12
  • · Replies 3 ·
Replies
3
High School Do Atoms Need Fuel? A Curious Question
  • 36grit
  • · Replies 17 ·
Replies
17
Undergrad Natural constants: are they irrational numbers?
  • Trinitiet
  • · Replies 2 ·
Replies
2