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
Graduate Are Atoms Truly Devoid of Random Details?
- nameta9
- · Replies 9 ·
Physics' challenges for the 21st century
- quasar987
- · Replies 5 ·
Graduate Posts Now Demonstrating Relativistic Effects
- zoobyshoe
- · Replies 21 ·
Are there math forums for advanced teen physicists?
- Math Is Hard
- · Replies 10 ·
Graduate Is this error analysis equation correct for a simple geometric mean?
- imabug
- · Replies 8 ·
High School What Is the Cornu Spiral and How Is It Used?
- mntb
- · Replies 4 ·
Undergrad Is Diamond Colloid the Most Energy Dense Chemical Fuel Available?
- BasketDaN
- · Replies 6 ·
What if light could only travel at 50km/hr?
- Zero-G
- · Replies 11 ·
Liquid Nitrogen vs. Liquid Helium
- gapgirl1010
- · Replies 2 ·
High School How many pounds are in a gallon?
- darkwolf
- · Replies 7 ·
Graduate How Fast Can Space Itself Travel?
- dontbelievthebull
- · Replies 10 ·
Why is PF Promoting 'What the Bleep' Merchandise?
- pattylou
- · Replies 21 ·
Graduate Could Higher Dimensions Reveal New Wave Phenomena?
- RonLevy
- · Replies 3 ·
Graduate Explore SMOT - Free Energy Possibilities & Unanswered Questions
- mios76
- · Replies 2 ·
Can anyone exactly explain 'Restituition'?
- rohanparikh
- · Replies 1 ·
High School Understanding Energy: Alternative Working Conditions
- Avgiu
- · Replies 9 ·
Start Your Own Physics Blog - Read Dimi's Story
- Kalimaa23
- · Replies 12 ·
Graduate Why Are We Living In A Prison Of Light ?
- Mithal
- · Replies 15 ·
High School Could Resonance Have Caused a Glass to Break in a Cabinet?
- Lisa!
- · Replies 8 ·
Are You Familiar with the Guidelines for Posting on Physics Forums?
- the blob inc
- · Replies 4 ·
High School More massive objects will fall faster than lighter objects?
- Zero-G
- · Replies 24 ·
Air Flow Observation: Wind Instruments
- jeremyb
- · Replies 4 ·
High School Is Gravity Caused by Mass or Other Factors?
- Whitedragon
- · Replies 79 ·
High School Can I Accurately Measure a Kilo of Pork or Any Other Item?
- Spin_Network
- · Replies 4 ·
Undergrad CO2 Emissions and the Environment: Myths vs. Facts from Real Scientists
- 2f9hg0jd5
- · Replies 4 ·
High School Gas Lighter than Air for Balloon Flight: Helium, Hydrogen, Hot air?
- astraton2001
- · Replies 1 ·
Graduate What is the significance of the Lepton in physics?
- Zezman
- · Replies 5 ·
High School Why Do Low Frequencies Travel Through Walls?
- BigMacnFries
- · Replies 10 ·
God? Schmod! Simplifying the Complex Notion of a Creator for Human Advancement
- nathaniel8
- · Replies 8 ·
High School Looking for a Physics Project Idea - Can Anyone Help?
- Viper2838
- · Replies 5 ·
Undergrad What Caused the Buzzing Sensation Near the Power Line?
- 211hap
- · Replies 9 ·
Where Can I Download Useful Physics Lectures?
- gs_cmans
- · Replies 5 ·
Graduate Is Infinity a Fundamental Property of the Physical Universe?
- Math Is Hard
- · Replies 23 ·
Graduate Does Light Exhibit Consciousness and Decision-Making Abilities?
- Lifter0569
- · Replies 20 ·
Graduate Is Free Will Rooted in Sub-Planck Physics?
- An Average Joe
- · Replies 8 ·
High School Why are musical triangles triangular?
- ascky
- · Replies 2 ·
Explore Knight at AW-BC | www.aw-bc.com/knight
- mh922253
- · Replies 4 ·
Irrestible force colliding with a immovable object
- modeman
- · Replies 1 ·
High School Why Do We Use Cylinder Tanks for Fuel Transport?
- rafael_josem
- · Replies 2 ·
High School Understanding Toilet Flushing: The Northern vs. Southern Hemisphere Mystery
- Line
- · Replies 7 ·
High School Software I can use to get help in physics
- ranger
- · Replies 3 ·
High School What is the meaning behind this graph on sound waves and their properties?
- honestrosewater
- · Replies 20 ·
Can a Train Break Through a Wall?
- honestrosewater
- · Replies 14 ·
News Why Did France Win the Bid for a Nuclear Fusion Reactor?
- Zlex
- · Replies 11 ·
Undergrad Why Does Gravity Vary Across the Globe?
- OnTheCuttingEdge2005
- · Replies 8 ·
Graduate Are Misinterpretations of Thermodynamics Limiting Our Understanding?
- LocktnLoaded
- · Replies 12 ·
Being Types as discussed by Michio Kaku
- zoobyshoe
- · Replies 7 ·
Graduate Henri Poincaré: The Real Discoverer of Special Relativity
- Perspicacious
- · Replies 55 ·
Explosive Physics Experiments: Dry Ice and Water Balloon
- darkar
- · Replies 2 ·
High School Find Closest Star: How to Locate Nearest Star From Your Position
- Emieno
- · Replies 6 ·
Undergrad Children Are Source Of Embarrassment
- samalkhaiat
- · Replies 32 ·
High School My Own Gravity: Can I Become Twice as Big as the Earth?
- Caesar_Rahil
- · Replies 15 ·
Navigating the World of Modern Physics: My Experience as a New College Student
- LENIN
- · Replies 5 ·
What's the melting point of a person?
- Smurf
- · Replies 2 ·
Graduate Is It Time to Rethink Our Understanding of Light and Gravity?
- dgoodpasture2005
- · Replies 3 ·
Graduate Why is the unification assumption never questioned ?
- nameta9
- · Replies 17 ·
Which Movie Has the Worst Depiction of Physics?
- Pengwuino
- · Replies 38 ·
Graduate System of Base Units without Time
- francisco
- · Replies 9 ·
'There is no time' - Wired magazine
- Pengwuino
- · Replies 30 ·
Is Gravity Just Intelligent Falling?
- polyb
- · Replies 14 ·
Graduate Measuring the conductance of flames
- Conducto
- · Replies 4 ·
High School Why doesn't a mirror reverse top to bottom?
- Jimmy Snyder
- · Replies 2 ·
Answers to a Physicist's Dating Dilemma: Should Tea be Prepared Early?
- Rohin.T.Narayan
- · Replies 7 ·
High School What is the Definition of Physics?
- alex fregol
- · Replies 106 ·
Blog idea - What Physicists Do - Opinions?
- Locrian
- · Replies 3 ·
Graduate Excellent Physics Problem: Challenging and Rewarding
- HiPPiE
- · Replies 1 ·
High School Uncovering Physics: Books for Beginners
- 11thD45
- · Replies 2 ·
Find Historical Physics Papers - Einstein, Plank, etc.
- Lyuokdea
- · Replies 4 ·
What Are Gravitational Waves?
- cathy_cgh87
- · Replies 1 ·
High School Which word should go with which set of attributes: property or characteristic?
- Chi Meson
- · Replies 8 ·
Difference Between Discovery and Invention
- hhh79bigo
- · Replies 8 ·
Undergrad How Can Wind Affect a Plane's Arrival at City B?
- ArielGenesis
- · Replies 20 ·
Science Sites We Regularly Visit: Our Favorites
- cscott
- · Replies 3 ·
Graduate Is Attraction Propulsion the Key to Interstellar Travel?
- rickw
- · Replies 13 ·
High School Peer Review Journals: How Do They Work Today?
- εllipse
- · Replies 1 ·
Where can i download the videos of the Feynman lectures?
- MaximumTaco
- · Replies 2 ·
Undergrad Will We Ever Utilize Dyson Spheres?
- KonradKorzenowski
- · Replies 37 ·
Graduate How Far Can One Advance with Intuition in Physics?
- bomba923
- · Replies 20 ·
Paper E N da C Andrade et al 1937 Proc. Phys. Soc. 49 381-391
- Clausius2
- · Replies 25 ·
High School Does humidity impact density and how?
- khaichou
- · Replies 7 ·
Is "Effects of UV Rays' a good topic in research?
- lixyz
- · Replies 7 ·
Graduate The Interpretation of Theory (In the Context of Gravitation)
- εllipse
- · Replies 2 ·
Testing the Limits of Fine Tuning
- wolram
- · Replies 5 ·
Graduate QM says no observer, no existence
- honestrosewater
- · Replies 129 ·
Graduate Why are strings not invoked as a solution to QM nonlocality?
- mccrone
- · Replies 9 ·
Undergrad Any recommendations for a comprehensive physics reference book?
- SDutra
- · Replies 8 ·
Graduate What causes band gaps in acoustic systems?
- Beer-monster
- · Replies 3 ·
High School What would be the color of the sea without an atmosphere?
- sniffer
- · Replies 2 ·
Graduate Surprising Physics: Falling Flat Boards & Chimneys
- Integral
- · Replies 76 ·
New Planet Bigger than Pluto Found Orbiting Sun
- Gza
- · Replies 2 ·
Your personal experiences of unusual phenomena?
- Janitor
- · Replies 50 ·
Graduate Collective Attention Colapses in Physics Forums
- DaTario
- · Replies 2 ·
Beard Keeping You Cool in Summer?
- chefralphson
- · Replies 11 ·
Undergrad How plausible are the advanced technologies in the Halo novels?
- kurushio95
- · Replies 5 ·
Graduate Good Website for Unit Conversions
- Lyuokdea
- · Replies 9 ·
Graduate What are the recent breakthroughs?
- jacyh
- · Replies 4 ·
I just wanted to say i retire from physics investigation
- luciferus777
- · Replies 25 ·
What if humans could see the entire electromagnetic spectrum?
- sniffer
- · Replies 20 ·
High School What note and frequency was used to shatter the glass on Mythbusters?
- zoobyshoe
- · Replies 22 ·
International Physics Olympiad 2005
- siddharth
- · Replies 2 ·