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
What draws you to Physics Forums?
- Lisa!
- · Replies 42 ·
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 Sound waves in a higher-dimensional embedding space
- RonLevy
- · Replies 3 ·
Graduate Why hasn't SMOT been made into a working free energy cycle?
- mios76
- · Replies 2 ·
Coefficient of restitution in collisions
- rohanparikh
- · Replies 1 ·
High School What are alternative definitions of energy in physics?
- 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 ·
Physics Forums resources are well labeled
- 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 Physics project ideas beyond potato guns and dry ice
- Viper2838
- · Replies 5 ·
Undergrad Static shock from charged body near high-voltage 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 ·
Website about the Knight at AW-BC
- 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 Why does toilet water spiral differently in each hemisphere?
- Line
- · Replies 7 ·
High School Software for learning physics, math, and circuits
- 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 thermodynamics laws misinterpreted?
- LocktnLoaded
- · Replies 12 ·
Being Types as discussed by Michio Kaku
- zoobyshoe
- · Replies 7 ·
Graduate Did Henri Poincaré discover special relativity before Einstein?
- Perspicacious
- · Replies 55 ·
Explosive Physics Experiments: Dry Ice and Water Balloon
- darkar
- · Replies 2 ·
High School How can you find the nearest star to your position?
- Emieno
- · Replies 6 ·
Undergrad Children Are Source Of Embarrassment
- samalkhaiat
- · Replies 32 ·
High School Would I have my own gravity if I were twice Earth's size?
- Caesar_Rahil
- · Replies 15 ·
How much modern physics should I know entering college?
- LENIN
- · Replies 5 ·
What's the melting point of a person?
- Smurf
- · Replies 2 ·
Graduate Is light velocity a property of spacetime rather than light?
- 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 ·
Should tea be prepared before or after the guest arrives?
- 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 Good physics books for beginners with little formal training
- 11thD45
- · Replies 2 ·
Find Historical Physics Papers - Einstein, Plank, etc.
- Lyuokdea
- · Replies 4 ·
Recent physics breakthroughs that are easy to understand
- cathy_cgh87
- · Replies 1 ·
High School Should property or characteristic describe waves' behavioral attributes?
- Chi Meson
- · Replies 8 ·
Does Newton discover or invent the laws of motion?
- hhh79bigo
- · Replies 8 ·
Undergrad Finding plane heading with wind to reach destination
- 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 Physics reference book for high school and beyond
- 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 Why chimneys break into π pieces when they fall
- 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 ·