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.
Threads
Creating a personal reference notebook for physics and math
- Livethefire
- · Replies 5 ·
Graduate Measurement scales are clearly defined except time.
- King Wildog
- · Replies 3 ·
Storing Energy with This Method? - A Tech Article
- Stanley514
- · Replies 4 ·
Graduate Does infinite causation contradict the second law of thermodynamics?
- Causation
- · Replies 13 ·
Undergrad Is C2H4 an Example of SP2 Hybridization?
- lokobreed
- · Replies 6 ·
High School Do Gasses Have Viscosity?
- TriKri
- · Replies 5 ·
High School Young's Modulus: Formula for Calculation
- phymatter
- · Replies 4 ·
High School Is there more to physics than projectiles and formulas?
- f25274
- · Replies 3 ·
Graduate Math and Reality. What is the deep connection?
- rogerl
- · Replies 85 ·
Undergrad What Did My Microphone Pick Up?
- IRL303
- · Replies 2 ·
High School How to calculate gravitational constant
- robertroman10
- · Replies 33 ·
High School Does 2 pascals equal 2 newtons per square meter or 2 newtons per 2 square meters?
- Femme_physics
- · Replies 2 ·
Graduate Can amplitude change through frequency entrainment?
- phanie12.geo
- · Replies 14 ·
Undergrad A long nededle verus a short one
- smott2011
- · Replies 43 ·
Graduate Is EPR's Concept of a Complete Description of Physical Reality Possible?
- Gordon Watson
- · Replies 10 ·
Health risks from living near a cell phone tower
- jlc95010
- · Replies 9 ·
Undergrad What new physics might CERN discover beyond the Higgs?
- Calrid
- · Replies 14 ·
Undergrad Does time have infinite accuracy?
- silenzer
- · Replies 6 ·
High School The Importance of Units for Zero Values in Physics
- Hinte
- · Replies 20 ·
Funny Physics Photos? Let's Share!
- Konata
- · Replies 7 ·
High School What's the Difference Between Two Bottles in a Dark Room?
- humanbeing
- · Replies 7 ·
Biggest recent mistakes in physics or any science.
- Whalstib
- · Replies 32 ·
High School Why aren't atmospheric regions with stable temperature classified as separate layers?
- termina
- · Replies 3 ·
Graduate This should be easy Units of log graph?
- IN88
- · Replies 6 ·
Which color of light has the strongest spectral line?
- Brown Arrow
- · Replies 1 ·
Dau-film about Russian physicist Lev Landau 1908-1968
- marcus
- · Replies 2 ·
Graduate Why is the gradient decreasing in the Blasius equation?
- johnt447
- · Replies 5 ·
High School What does this remark by Einstein mean?
- arroy_0205
- · Replies 2 ·
Graduate Capillary Force in a V shaped tube
- dpage
- · Replies 1 ·
High School Density vs Mass: Which Has Stronger Gravitational Pull?
- sharan
- · Replies 3 ·
High School Mass vs Volume: What is the Difference?
- humanbeing
- · Replies 2 ·
High School Can bomb sitll ignite in vacuum?
- Chitose
- · Replies 6 ·
High School Gravitational Constant (universal)
- robertroman10
- · Replies 4 ·
Undergrad Most Valuable Online/Free Physics Resources
- procon4
- · Replies 1 ·
Graduate Weight gain transients observed at sheep death
- Isaacsname
- · Replies 10 ·
Undergrad Understanding Error in Measurement for Simple Pendulum Experiment
- AStaunton
- · Replies 3 ·
High School What happens during a nuclear meltdown?
- oexnorth
- · Replies 2 ·
Undergrad Should popular physics books be banned or come with a disclaimer?
- ice109
- · Replies 38 ·
Undergrad Can HAARP or scalar weapons cause earthquakes?
- Tweet1962
- · Replies 1 ·
Undergrad Deriving Graph Relationships from 1/x^2 Plot
- leon24
- · Replies 1 ·
Undergrad How to Convert Error to Standard Deviation?
- intervoxel
- · Replies 5 ·
Undergrad Why does HCl absorption spectrum have a gap in the middle?
- v_pino
- · Replies 4 ·
Undergrad Why do professors rush to publish papers?
- phrygian
- · Replies 6 ·
High School Why does light travel so quickly?
- russ_watters
- · Replies 30 ·
High School Help with periodic motion, frequency, and wavelength
- ErikIoerger94
- · Replies 7 ·
How does gravity work?
- Forestman
- · Replies 12 ·
Graduate Right-Handed and Left-Handed Spin: Just Orientation?
- liometopum
- · Replies 3 ·
High School How important is graphene research in modern physics?
- RichardParker
- · Replies 3 ·
High School Is there a way to test the total impedance of my body?
- Simfish
- · Replies 2 ·
Graduate XFoil Reynolds Number Calculations
- Thusithatck
- · Replies 3 ·
Could a hurricane or tornado have enough energy to create a worm hole
- Buster66
- · Replies 1 ·
Undergrad Matrix element assignment returns noval error after ConstantArray in Mathematica
- brydustin
- · Replies 2 ·
Is there a Math forum as good as this Physics forum?
- Rap
- · Replies 1 ·
Undergrad What physics project would you do with $?
- Galgenstrick
- · Replies 2 ·
High School Resonant Frequencies and Natural Frequencies
- .peter.
- · Replies 2 ·
High School What are the differences between a solar cooker and a solar oven?
- soonsoon88
- · Replies 1 ·
Undergrad Marginal Error of Prayer Directions
- pfssassin
- · Replies 20 ·
High School Physical Laws vs Physical Theories
- ShayanJ
- · Replies 6 ·
Undergrad Determine Best Fit Line and Uncertainties Using Min and Max Slope Method
- joshposhmosh
- · Replies 1 ·
Undergrad Calculate endpoint from initial coordinates, distance and bearing
- whitenight541
- · Replies 1 ·
Graduate Individuation as Brute Assumption
- ZachHerbert
- · Replies 23 ·
Undergrad Justifying investment in Cosmology
- AlexSm11
- · Replies 5 ·
Graduate Does fractal geometry in physics prevent reaching fundamental discrete levels?
- cam875
- · Replies 5 ·
High School Which Ball Lands First on the Moon?
- Goongyae
- · Replies 6 ·
High School Do People of Different Body Types Have the Same Number of Atoms?
- corochena
- · Replies 5 ·
High School Why Do Gravitational Force Values Vary and How Are They Measured?
- alyafey22
- · Replies 4 ·
High School Can Satellites Really be Made from Iron Salvaged from Old Warships?
- Andrew1947
- · Replies 2 ·
High School Time delay of speech to travel from moon to earth
- Black Hole
- · Replies 5 ·
High School Ideas for a physics based c program?
- bigfoot100
- · Replies 2 ·
Undergrad Why Does a Square Wave Contain Only Odd Harmonics?
- likephysics
- · Replies 3 ·
Old mathematics fonts, names and availability?
- a2009
- · Replies 2 ·
Undergrad Questions about energy and gravity
- John15
- · Replies 5 ·
High School Any ideas for grade 12 Physics project?
- omgwtfitsp
- · Replies 1 ·
[Ortvay International Physics Contest] 2010 results
- ico1989
- · Replies 10 ·
Graduate Correlation Function for a 2-D field
- Miss_Astro
- · Replies 1 ·
Graduate How to visualize an 11-dimensional cube in 2D
- KayEl9
- · Replies 4 ·
High School Making New Paper Process and Making Recycled Paper Process
- soonsoon88
- · Replies 8 ·
Why do online Indian physics lectures
- Pythagorean
- · Replies 13 ·
Graduate Pressure at the interface when fluid 2 displaces fluid 1 in a microchannel
- sir_manning
- · Replies 1 ·
Undergrad Inverse Square Law: What & How to Prove It
- eddybob123
- · Replies 5 ·
High School What Aspects of Physics Do Enthusiasts Enjoy Most?
- saubhik
- · Replies 2 ·
Undergrad What does it mean for a bubble to be in equilibrium?
- Matthollyw00d
- · Replies 7 ·
Which Physics Blog Has a Well-Organized Guide to Mathematical Symbols?
- flyingpig
- · Replies 2 ·
High School What does a spectrogram represent?
- skyisthelimit
- · Replies 2 ·
High School What If an Object Suddenly Appeared?
- Heavan 777
- · Replies 2 ·
What is everyone's opinion on Stephen Hawking?
- mitcho
- · Replies 11 ·
Undergrad Closed tube standing wave
- exaramco
- · Replies 3 ·
High School Finding the Hour Angle between 8:00 and 9:00
- vselvar2
- · Replies 2 ·
Can water hold the shape of a cup when poured upside down?
- kudoushinichi88
- · Replies 2 ·
Which Rock Guitarist Was Once a Ph.D. Candidate in Astrophysics?
- George Jones
- · Replies 23 ·
Undergrad Find Hamiltonian Value of 4x4 Matrix
- vinothr
- · Replies 4 ·
Graduate Solving Fluid Dynamics Question on Droplet Shape
- mdergance3
- · Replies 2 ·
Undergrad Prerequisites for modern physics
- neginf
- · Replies 1 ·
Discuss Possibilities of Science Fiction Movies
- ashishsinghal
- · Replies 2 ·
Undergrad Complex numbers-roles in phyiscs
- neginf
- · Replies 15 ·
High School Which way does a towel dry fastest?
- Farah Roslend
- · Replies 4 ·
New here I don't know if there's a special place for this
- blade123
- · Replies 7 ·
Undergrad Relationships between mass and time
- Dezepar
- · Replies 10 ·
Found a community for physics discussions
- Terraqueous
- · Replies 24 ·