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 Why is diving into high-density liquids like the Dead Sea dangerous?
- SpringPhysics
- · Replies 3 ·
Undergrad Why haven't US physics programs led to major breakthroughs?
- Mazer Rackham
- · Replies 18 ·
Undergrad Force in Vacuum: Gravity, EM or Entropy?
- Puma24
- · Replies 2 ·
Undergrad Robert Millikan's Oil Drop Experiment
- cragar
- · Replies 3 ·
Graduate Atomic Vibration: Disproving the Theory
- Billahertz
- · Replies 9 ·
High School Can loud audio vibrations generate electrical energy through a vibrating membrane?
- strucka
- · Replies 33 ·
Dr. Emoto's : the structural formation of ice crystals
- L.S
- · Replies 1 ·
Undergrad Converting intensity from W/m² to AU units
- russel.arnold
- · Replies 1 ·
Graduate Evolutionary reason for 3-D extrapolation
- hankaaron
- · Replies 7 ·
Undergrad Is physics worth dedicating your life to?
- voyaging
- · Replies 11 ·
Undergrad Help i need a explanation for this
- Rico L
- · Replies 2 ·
What is the lifetyle of a theoretical physicist like?
- Peter Tran
- · Replies 14 ·
High School Can Telescopes Capture Photos of Apollo Moon Landing Equipment?
- alt
- · Replies 36 ·
Undergrad How is gravity the weakest force?
- jason177
- · Replies 26 ·
Undergrad Do piezoelectric crystals continue generating electric field under constant pressure?
- ScienceNerd36
- · Replies 6 ·
Graduate Is it possible to create a lamp that shines darkness?
- Secret
- · Replies 8 ·
New Futurama Thursday: AP Physics Teachers Invited!
- flatmaster
- · Replies 4 ·
Undergrad Where is Earth's center of mass?
- moonman239
- · Replies 5 ·
Graduate What do you think about the current situation of physics?
- michael741
- · Replies 5 ·
High School What Is the Most Important Nature of a Wave?
- Geolay
- · Replies 17 ·
Undergrad What is the relationship between mass, energy, and acceleration?
- ax3111
- · Replies 7 ·
Graduate Need ideas for physics project
- IHateMayonnaise
- · Replies 5 ·
Undergrad How can we detect and confirm the existence of extrasolar planets?
- luma
- · Replies 4 ·
Graduate Philosophy Professor on Physics? :s
- nonequilibrium
- · Replies 17 ·
Graduate What If You Could Build a Rocket with Infinite Exhaust Speed?
- peron
- · Replies 4 ·
High School Fluid Density Activity: Non-Sticky, Safe, and Cheap
- flatmaster
- · Replies 8 ·
What New Physics Toy Could Teach Kids Through Pinching?
- sanman
- · Replies 7 ·
Graduate I want to become an astrophysicist. But no one cares about what I do
- Simfish
- · Replies 16 ·
Graduate How can point particles interact without occupying the same location?
- glengarry
- · Replies 99 ·
High School What are the fundamental proportional relationships in basic physics?
- superaznnerd
- · Replies 4 ·
High School What frequency and wavelength do radar and sonar use?
- Awsom Guy
- · Replies 2 ·
Undergrad Compiling GARFIELD on Ubuntu 10.4
- vanesch
- · Replies 2 ·
Undergrad Measuring Ionization Energy of Candles
- Tominator
- · Replies 9 ·
Undergrad How Can a Violinist Adjust String Tension to Play Concert A Precisely?
- CoryG89
- · Replies 3 ·
Undergrad Physics 1 Mechanics: Acceleration and Projectile Motion on a Ramp
- golfer1100
- · Replies 3 ·
Graduate A worrisome trend in attitudes towards physics?
- Nereid
- · Replies 31 ·
High School Can physics explain the phenomenon of fire-walking?
- mikex24
- · Replies 13 ·
Graduate On the Reality of the Psi-Function
- Anamitra
- · Replies 6 ·
High School Gravity vs Gravitation: What's the Difference?
- Demystifier
- · Replies 8 ·
High School Did lightning really strike near the dog in this video?
- Ivan Seeking
- · Replies 22 ·
Undergrad Hello Guys,It would be really great if any one can explain me what
- jagan16
- · Replies 1 ·
High School Is Supercool a Valid State of Matter?
- sameerpaisari
- · Replies 4 ·
Garrett Lisi's critique of Through the Wormhole
- rhody
- · Replies 2 ·
High School Difference between kilowatt and kilowatt-hour
- SuperMiguel
- · Replies 11 ·
High School Calculating Gravitational Field: A Refresh
- seto6
- · Replies 2 ·
Undergrad Could time travel reach future medicine for life extension?
- Jonnyb42
- · Replies 16 ·
Undergrad Roof design to block tree debris while maximizing sun exposure at 43°N
- DaveC426913
- · Replies 3 ·
Rob Picard: High School Math/Physics Student and Aspiring Physicist
- RPicard
- · Replies 16 ·
High School People who claim their static electricity stops their watches
- jreelawg
- · Replies 8 ·
Hawking to leave Cambridge in protest over budget cuts, heading to Perimeter
- rhody
- · Replies 20 ·
How Do Tesla Coils Create High Voltage and Precise Discharges on AGT?
- superaznnerd
- · Replies 1 ·
What is the Rare 40-Pound Meteorite Found in Oregon?
- Astronuc
- · Replies 5 ·
High School What Are The Basic Physics Principal For GPS, TV and Radio?
- imapeiceofwod
- · Replies 10 ·
What mental traits define physicists?
- Loren Booda
- · Replies 26 ·
High School Why Do Tornadoes Form and Head Towards Earth?
- lazyprofessor
- · Replies 12 ·
High School Seismic Waves: How Are They Produced?
- Awsom Guy
- · Replies 7 ·
Graduate What needs to be discovered for a unified field theory?
- dirtyd33
- · Replies 24 ·
Cool Physical Phenomena Objects?
- Codester09
- · Replies 2 ·
Graduate Is the Near Light Speed Drive Possible?
- vorcil
- · Replies 2 ·
How Does Karagiozis Confirm Einstein's Theories in a Shadow Play?
- Tilemachos
- · Replies 2 ·
Graduate Can there be negative dimensions in our world?
- setuxas
- · Replies 3 ·
High School How are gravity waves detected?
- Awsom Guy
- · Replies 12 ·
High School Does Drinking Standing vs Sitting Affect Water Speed and Power in the Stomach?
- the_wild
- · Replies 4 ·
Undergrad Can Time Slow Down on a Clock Due to Relativity?
- x-ecutioner
- · Replies 2 ·
Could people live inside the Sun?
- alice22
- · Replies 11 ·
Graduate Dimensionful vs dimensionless constants
- apeiron
- · Replies 23 ·
Graduate What are the top 5 essential problems for a physicist to understand and solve?
- Kabbotta
- · Replies 1 ·
Undergrad High speed propeller optimization under 8 feet diameter
- jakksincorpse
- · Replies 1 ·
Is Human Flight Possible?
- jeremylorino
- · Replies 76 ·
Undergrad Can't we say vector or scalar quantity is relative thing
- samieee
- · Replies 3 ·
High School Would metal hitting metal or metal hitting glass make more noise?
- JimmyJockstrap
- · Replies 3 ·
Undergrad How Do I Calculate the Correct Rod Heights for My DIY Waterphone?
- stepan
- · Replies 25 ·
High School Is the Mass-Density Relationship Always 1:1?
- jaketodd
- · Replies 18 ·
High School Good examples of Physics in movies
- 613theprince
- · Replies 23 ·
High School How far away is a plane in the sky?
- Johndigger
- · Replies 3 ·
High School In Science what usually comes first - Theory or Experiment
- DrummingAtom
- · Replies 7 ·
High School Why does milk overflow when boiled but not water?
- aapar
- · Replies 2 ·
High School Is the Physics Behind Ancient Aliens on the History Channel Accurate or Not?
- superpaul3000
- · Replies 1 ·
How useful is mathematics for astrophysics?
- luma
- · Replies 2 ·
How Small Can We Really Go in the Universe?
- fakts
- · Replies 14 ·
High School Is Light and Gravity the Sole Influence on Tree Branch Growth?
- thedore
- · Replies 2 ·
Graduate Something to read, for Rookies to Ph.D's
- JasonRox
- · Replies 25 ·
Undergrad What happens to matter that isn't vibrating?
- UnitedRising
- · Replies 17 ·
Graduate Mass to energy conversion in living beings
- n.karthick
- · Replies 9 ·
Finding articles on multijunction solar cells
- nanoapple
- · Replies 1 ·
Undergrad Iron Man 2 particle accelerator scene: can a prism reflect particles?
- PipBoy
- · Replies 14 ·
Graduate Can a World with No Limits to Physics Exist?
- flashprogram
- · Replies 4 ·
Undergrad Physics Behind Playing a Saxophone
- chapabird
- · Replies 2 ·
Undergrad Hello,Question.Two people stand beside a long fence. One places
- Awsom Guy
- · Replies 3 ·
Undergrad What Role Does Science Play in the Effectiveness of Vacuumed Containers?
- threadmark
- · Replies 1 ·
Undergrad The World Doesn't Revolve Around You
- BL4CKCR4Y0NS
- · Replies 7 ·
Undergrad Wind turbine power output equations for blade count and angle
- endac
- · Replies 3 ·
High School Connecting Baking and Physics: Ideas for Your Presentation
- cinderblock
- · Replies 4 ·
High School What are some tips for starting to learn physics as a high school freshman?
- armordcrab
- · Replies 3 ·
High School What are some potential project ideas for a Grade 12 Physics project?
- madeeeeee
- · Replies 4 ·
High School Rust Residue on Aluminum Boat: Removing It
- fishology
- · Replies 5 ·
Where Can I Find Free Physics Courses from MIT?
- quantum123
- · Replies 15 ·
High School How can you measure compressive strength?
- LatexZone
- · Replies 6 ·
Undergrad What is Blondel's theorem?
- navanath
- · Replies 1 ·
Undergrad Is Getting Published in a Minor Physics Journal Worth Celebrating?
- sylas
- · Replies 21 ·