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
Which Journal Would Publish the First Unified Physics Theory?
- WaveObserver
- · Replies 7 ·
High School Why the RGB Color Model is so Popular
- niggawut
- · Replies 8 ·
Undergrad Understanding Volume from Speaker: Physics Perspective
- Pengwuino
- · Replies 5 ·
Undergrad Where Can I Find Research Resources on the Impact of Science in the Media?
- SUDOnym
- · Replies 3 ·
High School Proof of time travel from future to past
- Studiot
- · Replies 5 ·
Graduate Is Intrinsic Uncertainty in Measurement Tools Systematic or Random?
- azaharak
- · Replies 27 ·
High School Sig. Figs. and Averaging: How Many Decimal Places Should I Keep?
- eurekameh
- · Replies 7 ·
High School I need physic fair project ideas
- princesinbad3
- · Replies 4 ·
High School Do ionic hair dryers actually emit ions and work as claimed?
- saxorune
- · Replies 8 ·
What do you find most interesting in physics?
- psypher
- · Replies 2 ·
Who Won the 2011 Nobel Prize in Physics?
- DevilsAvocado
- · Replies 36 ·
Undergrad Can You Master Math and Physics Autodidactically?
- DeronTron
- · Replies 10 ·
What is the Connection Between Mass and Time?
- Zac Einstein
- · Replies 5 ·
Your favorite definition of physics
- juanrga
- · Replies 33 ·
Undergrad What are underplatform dampers and where are they used?
- svishal03
- · Replies 4 ·
The most sublime physics entity [include image]
- Loren Booda
- · Replies 11 ·
High School I need information about vacum chem
- hagopbul
- · Replies 2 ·
Graduate Are Our Experiences Shaped by a Few Million Subatomic Particles?
- CyberShot
- · Replies 1 ·
Undergrad Copenhagen Physics: Fact or Fiction?
- Thenewdeal38
- · Replies 4 ·
Graduate Will physics have another revolutionary breakthrough like relativity or quantum mechanics?
- jeebs
- · Replies 9 ·
High School Understanding High Gears on Bikes
- dEdt
- · Replies 2 ·
Graduate Tevatron discoveries beyond the top quark
- khaos156
- · Replies 2 ·
Graduate Do chemical properties have an effect on gravitational forces?
- DrClapeyron
- · Replies 12 ·
Famous quote about all knowledge being part of cosmology
- marryrene
- · Replies 1 ·
High School How do Rayleigh waves work?
- Awsom Guy
- · Replies 3 ·
Undergrad What is information?or how is information connected with change
- nouveau_riche
- · Replies 17 ·
Who will be the next winner of the Physics Forums Quiz?
- micromass
- · Replies 39 ·
If only I was born a couple hundred years earlier
- LogicX
- · Replies 6 ·
High School HelloI was wondering if someone can be as detailed as possible in
- mvan4310
- · Replies 1 ·
Do you think the world needs more theoretical physicists?
- xdrgnh
- · Replies 28 ·
High School How does tourmaline produce negative ions ?
- lnsanity
- · Replies 1 ·
Undergrad Are there any tips for interpreting word problems in physics?
- Phreakzilla
- · Replies 2 ·
Day after tomorrow: Can an ice age occur overnight?
- Buddah
- · Replies 12 ·
Undergrad Physical meaning of imaginary numbers
- vibhuav
- · Replies 38 ·
Undergrad Is the spike in arxiv.org traffic due to the news of superluminal neutrinos?
- chronon
- · Replies 1 ·
High School Reproduction of the phenomenon with sand
- Innoko
- · Replies 6 ·
Who Will Win the 2011 Nobel Prize for Physics?
- SubTachyon
- · Replies 3 ·
Graduate Can the ratio of work to energy and force have a fixed value?
- Bravodhan
- · Replies 1 ·
Strange Sun-like Object Any Ideas?
- Kagmi
- · Replies 18 ·
High School What does Δx mean in mathematics?
- MarcAlexander
- · Replies 8 ·
Do particles and waves depend on how you observe them?
- knoxinc
- · Replies 2 ·
High School The Typical diagram of a standing wave
- Misr
- · Replies 3 ·
Undergrad What Hidden Meanings Should I Look For in Physics Problems?
- bsimpson
- · Replies 3 ·
Graduate Challenges and critiques of Bohmian mechanics
- riezer
- · Replies 15 ·
Graduate What Are the Non-Mathematical Perspectives on Action at a Distance?
- GuillaumeJean
- · Replies 13 ·
High School Describing vectors in n dimensions
- Nano-Passion
- · Replies 7 ·
Graduate Why is the kilogram standard mass changing?
- Naty1
- · Replies 5 ·
Is Faster Than Light Travel Possible?
- doodle_sack
- · Replies 2 ·
Graduate How Does Faster-Than-Light Travel Affect the Michelson-Morley Experiment?
- MrGamma
- · Replies 4 ·
Scientists Break Speed of Light Limit
- I_am_learning
- · Replies 1 ·
Graduate I need a someone to explain something to me
- vteclimey
- · Replies 2 ·
Graduate Uncertainties associated with the use of opacity meters (smoke meters)
- johnybe
- · Replies 2 ·
Undergrad Creating Micro-Bubbles for Aquaculture Research: Techniques and Considerations
- itaischles
- · Replies 5 ·
High School How do we calculate percent error without a theoretical value?
- rachelle
- · Replies 4 ·
High School How Can You Create a Unique Quantum Mechanics Science Fair Project?
- ObsoleteBacon
- · Replies 2 ·
Graduate Waiting Time for Gravitation Paper Submission - Journals
- alejandrito29
- · Replies 1 ·
What is Your Personal Definition of Physics?
- vkash
- · Replies 9 ·
Attention Educators Possible tool to engage students in Physics
- Dauden
- · Replies 5 ·
Can You Beat ArcanaNoir in the Physics Forums Chat Quiz in 10 Minutes?
- Borek
- · Replies 1 ·
IRC, etc idle for all-night HW time?
- skinnyLips
- · Replies 2 ·
High School What is the difference between gas and vapour?
- pawan_ctn
- · Replies 31 ·
High School What are nanoblades and nanosprings?
- kususe
- · Replies 4 ·
High School Why Is the Sky Blue?
- merrit lim
- · Replies 18 ·
Graduate Are our theories or are observations more advanced?
- bostonnew
- · Replies 5 ·
Undergrad Building a tester for solar cell efficiency
- Beeginner
- · Replies 5 ·
Where Can I Find Free Peer Review Services for Research Papers?
- kakarot1905
- · Replies 3 ·
Graduate What Are the Most Important Feynman Diagrams in Particle Physics?
- QuantumCosmo
- · Replies 7 ·
Diamond Planet, a woman's new best friend
- rhody
- · Replies 43 ·
Looking for Famous Quantum Physicist Quote on Soft Science
- kwerk
- · Replies 13 ·
Taking Notes in Physics: Finding the Right Notebook
- glueball8
- · Replies 6 ·
High School Advanced high school physics course combining literature and science
- cormoo
- · Replies 2 ·
High School Why Does Toast with Butter Always Land Butter-Side Down?
- Himal kharel
- · Replies 3 ·
Undergrad Why do we square the period T in the pendulum length equation?
- DmytriE
- · Replies 3 ·
High School Physics presentation topic ideas for unusual phenomena
- elegysix
- · Replies 2 ·
High School What Are Good Starter Books and Resources for Learning Basic Physics?
- mat1101
- · Replies 8 ·
Undergrad Error propagation when you take the inverse?
- homestar
- · Replies 5 ·
High School Why is the kilogram the base unit of mass, instead of the gram?
- spareine
- · Replies 24 ·
High School Difference between liquefaction and condensation
- renjith_p
- · Replies 8 ·
Graduate How are the physical laws enforced?
- thedragonbook
- · Replies 15 ·
High School Should You Use Contests and Prizes to Motivate Kids to Learn Physics?
- Ivan Seeking
- · Replies 4 ·
High School What Other Fundamental Laws of Physics Exist Beyond Newton's?
- mat1101
- · Replies 8 ·
High School What is the reason for using aluminium foil to wrap the food items?
- Garvi
- · Replies 6 ·
Graduate Do chaotic systems point to a direction of time?
- luckystrikes
- · Replies 3 ·
Undergrad Can i understand gravity better?
- Jpjangz
- · Replies 2 ·
Where Can Scientists Discuss Physics Theories Online?
- AnOpenMind
- · Replies 17 ·
Graduate Is air a viscous fluid or an ideal gas?
- Curl
- · Replies 1 ·
Graduate Spatial Resolution calculation using wavelength (medical imaging)
- nobody0
- · Replies 2 ·
High School Liquids that light up in a magnetic field
- tdevil
- · Replies 4 ·
High School How people measured time in the past ?
- Jadaav
- · Replies 7 ·
Undergrad SI Units Lengths: Defined by Light Speed
- xeryx35
- · Replies 6 ·
High School This is what these symbols mean in physics.
- MattVonFat
- · Replies 1 ·
Undergrad Calculating moist air density by adding dry air, CO2, and H2O components
- pebbled_ninet
- · Replies 3 ·
High School Physics and astronomy senior project topic ideas
- daseulkorean
- · Replies 9 ·
High School Why do colored freezy pops turn clear when left outside in the cold?
- KingNothing
- · Replies 3 ·
High School What sparked my love for physics and science?
- kcajrenreb
- · Replies 21 ·
Undergrad Physics topics for an Extended Project with mathematics focus
- FeDeX_LaTeX
- · Replies 15 ·
Junkyard physics without formulas or equipment
- MrREC
- · Replies 63 ·
High School What Causes Frozen Semi-Skimmed Milk to Change Color?
- cmb
- · Replies 2 ·
High School Why do some materials appear darker when wet?
- cmb
- · Replies 6 ·
High School Hurricanes and Windows: How to Prevent a Broken Window
- Bacle
- · Replies 6 ·