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
Undergrad Michelson Morley experiment and heliocentrism
- Amok
- · Replies 9 ·
I want to make friend with who love physics
- kieutridang
- · Replies 9 ·
Undergrad Can mass be compressed indefinitely?
- envelope91
- · Replies 4 ·
Graduate What Are the Negligible Aspects of Physics We Overlook?
- Fine Man
- · Replies 2 ·
High School Mars Rover "Curiosity" Camera Specs
- jnorman
- · Replies 18 ·
Answering Multiple Questions on One Topic: Vital Steps
- azizlwl
- · Replies 1 ·
Undergrad Physics Student Struggling to Explain Conservation of Linear Momentum
- ShayanJ
- · Replies 10 ·
Most difficult to comprehend concept
- mather
- · Replies 15 ·
Undergrad How is oil naturally pushed to the top of reservoirs?
- Charles123
- · Replies 4 ·
Graduate What causes metals to cold weld in a vacuum?
- Arixal
- · Replies 1 ·
High School Everyday observations that reveal scientific phenomena
- bamabhai
- · Replies 16 ·
High School What's the trick in this wooden block contraption video?
- projectearth
- · Replies 8 ·
High School IPhO experimental exam preparation
- n10Newton
- · Replies 1 ·
Graduate Inorganic life now likely? (Its life, Jim, but not as we know it)
- Robert100
- · Replies 3 ·
Undergrad Guitar fret decreasing down a guitar
- ramly
- · Replies 6 ·
Graduate Why does phosphor efficiency drop off during fluorescent lamp use?
- Charles123
- · Replies 3 ·
Does chaos really exist?
- JD1
- · Replies 20 ·
Undergrad Did a Clock Error Make Neutrinos Appear Faster Than Light?
- dart plegius
- · Replies 2 ·
High School Trouble due to incomplete knowledge
- Avichal
- · Replies 6 ·
Undergrad Inside a container with non-pure helium
- papernuke
- · Replies 25 ·
Undergrad How will current research affect our lifes?
- magnetic flux
- · Replies 10 ·
Graduate Wave through a compressbile material
- hoomanya
- · Replies 12 ·
Undergrad Engeeniring Physics Bachelor question
- jenia1
- · Replies 2 ·
High School What Causes Air Bubbles to Form in Pools and Lakes?
- schaefera
- · Replies 7 ·
Undergrad Reviewing a presentation on anomalous magnetic moment
- katasroffa
- · Replies 4 ·
Undergrad Heisenberg, genius and idiot at the same time
- g.lemaitre
- · Replies 12 ·
Undergrad How do I calculate the mass density, given the mass?
- silmaril89
- · Replies 11 ·
Graduate What areas in physics would you like the Theory of Everything to explain?
- Rorkster2
- · Replies 26 ·
High School What physicist said SR would be garbage by 1945?
- g.lemaitre
- · Replies 2 ·
Notable physicists with dramatic personal histories
- Loren Booda
- · Replies 13 ·
Undergrad What if overtone is not achieved?
- Mr Checkmate
- · Replies 8 ·
Undergrad How Does Pascal's Principle Affect Fluid Dynamics and Comfort in Bedding?
- Aristotelian
- · Replies 1 ·
Graduate How time did Einstein waste on a unified field theory
- g.lemaitre
- · Replies 1 ·
Graduate What exactly do we mean by nothingness? Im asking about when this
- moatasim23
- · Replies 1 ·
Undergrad What is the difference between t0 and ti?
- ihaveabutt
- · Replies 3 ·
Undergrad Does Low Resolution Compromise Measurement Accuracy?
- Arm_Chair_QB
- · Replies 2 ·
Undergrad How to draw 2d objects on 1d paper?
- thatisthat
- · Replies 1 ·
High School Why does diffusion always go down the concentration gradient?
- TVI_1405
- · Replies 16 ·
High School Mass vs Size: Does Size Affect Mass?
- raeshun
- · Replies 2 ·
Undergrad What is the size and behavior of atoms in relation to celestial bodies?
- orionis
- · Replies 8 ·
High School Pumping 2-5ml of liquid through a 2ft tube without loss
- shnabz
- · Replies 14 ·
Undergrad What is phase and phase shift in quantum mechanics?
- Stu21
- · Replies 2 ·
Undergrad What Are First and Second Order Changes?
- khil_phys
- · Replies 1 ·
Why Do Scientists Prefer the Kelvin Scale for Temperature Measurements?
- Redbelly98
- · Replies 3 ·
Graduate Units of Volume in Deriving Boltzmann Constant
- leavezs
- · Replies 1 ·
High School Wax Rubbed on Paper: Why Paper Becomes Translucent
- khil_phys
- · Replies 9 ·
Undergrad Why do cathode rays glow green in the gas and cast shadows on the screen?
- ananthu
- · Replies 7 ·
High School Why are we able to feel the textures of objects.
- ntovar73
- · Replies 7 ·
My friend is insufferable and thinks astro is a waste of time
- curiouscase
- · Replies 22 ·
Undergrad How do you measure length in quantum physics?
- geordief
- · Replies 1 ·
Writing questions out is better than asking them
- g.lemaitre
- · Replies 5 ·
Graduate Planck time/length infinite and defined?
- jarroe
- · Replies 5 ·
High School What scientific causes could explain apparition sightings?
- conn96
- · Replies 67 ·
Undergrad What Is the Best Motion Analysis Setup for Simple Physics Experiments?
- Andy Resnick
- · Replies 8 ·
Undergrad Most efficient way to mine asteroids: bring to Earth or mine in place?
- DahnBoson
- · Replies 34 ·
Undergrad Is the Cheerios Effect Analogous to Gravity?
- InquiringMind
- · Replies 1 ·
Graduate Fastball Physics: Relativistic Baseball
- Simon Bridge
- · Replies 8 ·
Graduate Idea to intercept alien communications
- Petyab
- · Replies 22 ·
How Can Someone with a Disability and a Passion for Physics Find Fulfillment?
- Boston_Guy
- · Replies 21 ·
High School What is between the erath and the moon?
- jmmpna
- · Replies 5 ·
Graduate Wetness of object after submerging in fluid
- gonzaa16
- · Replies 2 ·
High School What is the mysterious particle that caused a solar paradox?
- abhigupta.14
- · Replies 15 ·
Feynman diagram tattoo suggestion
- -Sirius-
- · Replies 23 ·
Undergrad Scientific principles involved in Pan flute
- zabachi
- · Replies 6 ·
Undergrad Why is the range of gravity considered infinite?
- AustinJones
- · Replies 6 ·
Undergrad Is There a Software for Simulating Capillarity Action in Various Shaped Tubes?
- IWantToLearn
- · Replies 1 ·
Graduate Can Magnet Doors Launch a Spaceshuttle into Outer Space Without Using Fuel?
- partisar1
- · Replies 28 ·
Graduate What is the d slash notation in dE = d⁄Q + d⁄W?
- genericusrnme
- · Replies 2 ·
Undergrad Is Telekinesis Scientifically Possible?
- Snip3r
- · Replies 29 ·
Undergrad Why Does Moving Medium Not Change Detected Frequency?
- mathman44
- · Replies 1 ·
Undergrad Where Do Optics and Photonics Fit in the Classification of Physics?
- ShayanJ
- · Replies 1 ·
Graduate How to calculate the bonding force due to wringing effect in slip guages
- prabhu_15
- · Replies 1 ·
Undergrad Can Branching Capillary Increase Water Height?
- Medicago
- · Replies 11 ·
Where to get patent funding for climate research experiments
- niksmith94
- · Replies 1 ·
News Proof of 'God particle' found (?)
- Topher925
- · Replies 2 ·
Undergrad What is the Effect of Ferrofluid Surfactant on Particle Repulsion?
- wolfspirit
- · Replies 1 ·
Can matter be perceived directly?
- Dremmer
- · Replies 2 ·
Undergrad What essential physics topics should I write about for undergraduates?
- ShayanJ
- · Replies 8 ·
Did Albert Einstein Say "Everything is Energy"?
- mess1n
- · Replies 20 ·
Undergrad What causes the bursting of a spherical air bubble?
- jobsism
- · Replies 2 ·
Graduate Can We Identify Precise Margins Between Phases in Biphase Material Imaging?
- mather
- · Replies 4 ·
High School What are some nice modern physics experiment that I can do?
- elishamei9000
- · Replies 11 ·
High School Does anybody know what this apparatus is for?
- thatgameguy
- · Replies 2 ·
High School Why is Air Invisible to the Naked Eye?
- Swetasuria
- · Replies 2 ·
Undergrad Does Running in the Rain Keep You Drier?
- PhizKid
- · Replies 4 ·
Graduate How Can I Get My Physics Theory Published?
- Plunewtonian
- · Replies 19 ·
Graduate What is the name for a curve similar to a blackbody radiation curve?
- DaleSwanson
- · Replies 2 ·
High School Portal Physics Scenario: A or B? Input from Physics Forum Community
- kidcrumb
- · Replies 7 ·
Undergrad Forum Etiquette inquiryIs it rude to ask how to design a home project?
- mikedunbar
- · Replies 8 ·
What Does Nothingness Really Mean?
- nick1o2
- · Replies 2 ·
Undergrad What Are Some Recommended Review Articles in Physics?
- highflier
- · Replies 4 ·
Graduate The problem of infinite divisibility and how QE sheds some light
- San K
- · Replies 20 ·
High School How Long Is the Piano String for the 3rd Harmonic?
- xuhhad
- · Replies 4 ·
High School Why do planes cause vibrations on the ground as they fly pass?
- autodidude
- · Replies 5 ·
Graduate Is there a Young-Laplace equation for solids and gases?
- sebassen
- · Replies 2 ·
Graduate Is the allotropy of nitrogen tetranitrogen,
- ybhathena
- · Replies 3 ·
Undergrad Is Relying on Integral Tables Over Manual Calculation Common in Physics Careers?
- dipole
- · Replies 17 ·
Graduate Metropolis Algorithm and integration volume
- Derivator
- · Replies 1 ·
Welcome Sammy! Physics Forum Community Here For You
- Sammy600
- · Replies 7 ·