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
Motivation for time travel into the past
- Mutsi
- · Replies 2 ·
High School How do you calculate time at the north pole?
- Sanket Karnik
- · Replies 11 ·
Undergrad Combining systematic uncertainties when averaging repeated measurements
- omoplata
- · Replies 8 ·
Physics calendar with notable dates and birthdays
- Femme_physics
- · Replies 12 ·
Undergrad Hi,I'm having difficulty trying to figure out the following
- elnino7
- · Replies 2 ·
High School Do You Need a Website for Problem Solving?
- Nano-Passion
- · Replies 5 ·
Undergrad How Can I Make Clear Ice for Multiple Glasses Without Circulating Water?
- artrix
- · Replies 17 ·
Graduate Can a Vector Be Expanded into a Field in Physics?
- maburne2
- · Replies 2 ·
High School Is buoyancy possible without gravity?
- scientifico
- · Replies 12 ·
Undergrad When did statistical studies become important for the study of physics?
- StevenMiller
- · Replies 1 ·
Advice for a 'Murrican going to CERN
- Mike Pemulis
- · Replies 46 ·
I was browsing over my physics course work before going to bed,
- Vectus
- · Replies 3 ·
Graduate Is Rossi's Cold Fusion the Real Deal?
- cmooo
- · Replies 2 ·
High School What is a wormhole?
- sarah03
- · Replies 11 ·
Graduate Behavior of foam: floating vs. submerged
- Loren Booda
- · Replies 5 ·
Graduate Do quantum and classical physics depend on the observer's scale?
- ƒ(x)
- · Replies 12 ·
How my 10 year old cousin learned of the speed of light
- 1MileCrash
- · Replies 4 ·
Making a homemade edible musical instrument to play Twinkle Twinkle Little Star
- lomantak
- · Replies 18 ·
Undergrad Why does the atmosphere move with the earth?
- quasar987
- · Replies 34 ·
High School Zeno's paradoxes don't understand.
- jposs
- · Replies 8 ·
Do physicists still use blackboards or have they switched to whiteboards?
- Monster92
- · Replies 14 ·
What is an S-shaped object rotating at constant speed?
- surajt88
- · Replies 4 ·
High School Explain the physics joke Don't be a d^3x/dt^3
- yddet12
- · Replies 2 ·
High School Can Vacuum Pockets Make Objects Float?
- rollcast
- · Replies 13 ·
Interested in hearing opinions about this
- Xyius
- · Replies 8 ·
What is the furthest you can throw something?
- AtomicJoe
- · Replies 68 ·
High School Matter can neither be created or destroyed
- daave220
- · Replies 29 ·
High School Calculating Output of Solar Cells in KWH
- assuc
- · Replies 3 ·
Graduate Are There Physical Phenomena That Cannot Be Quantized?
- Kherubin
- · Replies 2 ·
Undergrad Physical intuitions for simple statistical distributions
- schip666!
- · Replies 3 ·
Graduate Is Bubble Fusion a Viable Method for Hydrogen-Hydrogen Fusion?
- Jolb
- · Replies 3 ·
Is it realistic to become the best physicist of all time?
- revnaknuma
- · Replies 23 ·
Undergrad How is Governing Executed in Wind Mills?
- ank160
- · Replies 2 ·
Graduate What Message Does the Spectral Emission from Star GL1023 Convey?
- skyboarder2
- · Replies 6 ·
Graduate What Does B · ∇ Mean in Curl Formula?
- bobfei
- · Replies 6 ·
Who Among Us Is a Physicist?
- theobserver
- · Replies 14 ·
Graduate Cold fusion research and peer-reviewed evidence
- AcupOfPwn
- · Replies 43 ·
High School What sense(s) does a person use to tell how fast he is running?
- pantheid
- · Replies 9 ·
Undergrad Does mass change when wood breaks or in nuclear fission?
- i_drank_what?
- · Replies 52 ·
Undergrad Wrecks from racing track singularities
- Loren Booda
- · Replies 20 ·
High School Why is argon better than a vacuum?
- eurekameh
- · Replies 9 ·
Undergrad Did Gravity Remain Constant Since the Time of Dinosaurs?
- SharpSolaris
- · Replies 5 ·
How did Stephen Hawking do calculations despite his physical disability?
- bobfei
- · Replies 11 ·
Graduate Heisenberg Interpretation vs Objective Collapse
- rodsika
- · Replies 5 ·
Graduate A Physics Puzzle: Double Circular Motion
- AlexChandler
- · Replies 24 ·
Undergrad What is the Advantage of Using a Gaussian Distribution of Noise in a System?
- m~ray
- · Replies 6 ·
High School Can a Vacuum Generate Energy?
- CuriouslyDumb
- · Replies 3 ·
Undergrad Drying rate depending on curvature?
- jangheej
- · Replies 4 ·
Who Conducted This Experiment?
- Shukie
- · Replies 2 ·
Graduate Understanding Regular and Outgoing Functions in Vector Spherical Wave Functions
- OKY
- · Replies 4 ·
High School What is the wavelength of tsunami waves?
- omerusta
- · Replies 10 ·
High School How does the sense of smell work at a physical level?
- Versus
- · Replies 2 ·
Graduate Fractal geometry in crumpled paper
- rafael_01
- · Replies 1 ·
High School Shortest distance you can travel?
- AtomicJoe
- · Replies 62 ·
High School Harmonic waver length with respect to open tube diameter
- yahman421
- · Replies 1 ·
Expressing Love for Nerdy Physics Shirts!
- mezzoforte
- · Replies 17 ·
High School What is the breaking point of quartz crystal
- Kalrag
- · Replies 1 ·
High School Do we know what creates the wind?
- MattBooth44
- · Replies 1 ·
How Can I Post Equations and Formulas?
- PieOperator
- · Replies 3 ·
Graduate Time evolution of a diffusion equation
- Juliousceasor
- · Replies 18 ·
Undergrad How Did Overcoming Addiction Lead to a Passion for Physics?
- blade123
- · Replies 11 ·
High School Any ideas of how gyroscopes are applied in environment?
- omgwtfitsp
- · Replies 1 ·
High School What Are Some Overlooked Physics Concepts in Wrestling and Other Combat Sports?
- coolio
- · Replies 7 ·
High School Share your favorite physics equation and what it describes
- AstrophysicsX
- · Replies 1 ·
Physics student dies in lab accident
- jtbell
- · Replies 40 ·
Graduate Can Next Generation Telescopes See More than Just a Dime in San Francisco?
- Loren Booda
- · Replies 7 ·
Physics Forums appearing in Google search results
- Drakkith
- · Replies 10 ·
Undergrad Energy expended in running: why doesn't doubling distance triple the energy?
- eldrick
- · Replies 3 ·
High School Why is the unit prefix micro pronounced as myoo instead of mu?
- PainterGuy
- · Replies 12 ·
Undergrad Is Gravity Relative to Density Alone
- mAMBOkING
- · Replies 3 ·
A device that can measure height
- chebyshevF
- · Replies 2 ·
Undergrad Phase difference in Stationary waves
- elemis
- · Replies 1 ·
What is the Highest RPM in the Universe?
- fedorfan
- · Replies 25 ·
Undergrad Why are physics majors so rare at Stevens Institute?
- Xyius
- · Replies 20 ·
Graduate Whores and Nuclear Science and Work Force Reducition
- Phrak
- · Replies 7 ·
How I learn in cambridge university
- the doctor
- · Replies 1 ·
Undergrad Same note (pitch), male and female voices - what's different?
- wildetudor
- · Replies 2 ·
Undergrad Does Gravity Pull Outwards on Objects Within Hollow Spheres?
- rubeszilla
- · Replies 16 ·
High School How to tell if an object is moving
- Yoghurt114
- · Replies 5 ·
Graduate How can I express velocity using length, mass, pressure, area, and density?
- nv95
- · Replies 1 ·
Undergrad Photosynthesis converts CO2 into sugars, can we industrialize this process?
- JDoolin
- · Replies 5 ·
High School Maximum number of times you can fold a sheet of paper in half
- BobG
- · Replies 14 ·
Undergrad Terrasects and the fourth-dimension
- Benito12
- · Replies 4 ·
Searching for Web Series - Physicists Video Blogs/Documentaries
- Fr34k
- · Replies 3 ·
Undergrad What happens at the atomic level when fire ignites?
- rhenretta
- · Replies 2 ·
Undergrad Longitude and Latitude to Distances
- Hemib
- · Replies 4 ·
Undergrad Can you make an object have a stronger graviational pull if you make is denser?
- zeromodz
- · Replies 29 ·
Graduate How do we get energy specters for random waves
- 71GA
- · Replies 1 ·
Undergrad Can pressure while snorkeling cause tooth pain from an air pocket in a filling?
- Brian LB
- · Replies 16 ·
Do you find it easy to explain physics?
- Smiles302
- · Replies 12 ·
High School Is the Definition of Energy in Physics Misleadingly Presented Online?
- physics girl phd
- · Replies 7 ·
Does consciousness end during sleep and between neural events?
- atjta
- · Replies 14 ·
Undergrad Building an atmospheric chamber
- mtrip
- · Replies 3 ·
Undergrad Why Are Some Phenomena Unsolved in Physics?
- jobsism
- · Replies 5 ·
High School Proof Stress Calculation with Excel 2007: Manual or Automated?
- cbor0023
- · Replies 2 ·
Undergrad What will happen to capillary rise effect if we take capillary to
- phymatter
- · Replies 2 ·
Undergrad Does gravity effect viscosity ?is viscosity independent od gravity ?
- phymatter
- · Replies 2 ·
Did you have really believed about the force actually is made up by
- xiaoB
- · Replies 1 ·
Cold Fusion Back In The Limelight - Guest Speaker Dr. Brian Josephson
- Thetom
- · Replies 85 ·