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
High School What are audio sampling signals?
- Googl
- · Replies 10 ·
Microwave demos at a summer honors program
- Moonbear
- · Replies 15 ·
Undergrad Can energy be converted to mass according to E=mc²?
- hanii
- · Replies 33 ·
Undergrad Unit Conversion: How to Find Volts/kRPM for Motor Modeling with 245 RPM/Kv Value
- Blues_MTA
- · Replies 3 ·
Graduate Do Objects in Motion Share the Same Time Reference?
- no1no2no3
- · Replies 1 ·
Graduate Why do Indian EE students pursue physics graduate school?
- MATLABdude
- · Replies 2 ·
I had a funny thought when i was vacuuming. I was vacuuming dust
- abelinkin1988
- · Replies 1 ·
Undergrad Is the Gravitational Acceleration on Jupiter Different from Calculated Values?
- scotty_le_b
- · Replies 3 ·
High School Is the Atom and its particles proven?
- Eskomo
- · Replies 7 ·
2010 Rudolf Ortvay Competition in Physics Prize Winner
- EHT
- · Replies 2 ·
The best physics conversation you've had with a novice
- Loren Booda
- · Replies 16 ·
Graduate Is theoretical physics becoming a new dogma in the scientific community?
- me_aguevas
- · Replies 15 ·
Undergrad Is There Destiny? - Can We Predict the Future?
- byron321
- · Replies 8 ·
Have you been surprised by a Mythbusters experiment outcome?
- tstrong
- · Replies 20 ·
Undergrad What Are the Physical Applications of Matrices?
- andonrangelov
- · Replies 5 ·
High School Treadmill vs Free Running: Which is Better for Your Health?
- bennyboy
- · Replies 6 ·
Undergrad I'm trying to find what is true, what is myth and what is as yet
- zapsukka
- · Replies 2 ·
High School Converting cm to cm-1: How to Calculate 1/37
- agentas
- · Replies 5 ·
High School (I'm 14 and still learning physics so I obviously don't know as much
- Cbray
- · Replies 2 ·
High School Can a Wineglass Shatter from Two Notes?
- pkc111
- · Replies 4 ·
Undergrad Calculating Nitrogen percentage in food products.
- brobertson89
- · Replies 7 ·
Graduate Wrong Solution/Right Answer and Logrithms
- Phrak
- · Replies 9 ·
Undergrad How would you define time?
- jeebs
- · Replies 84 ·
Undergrad Measuring a loudspeaker's diaphragm
- escaldon
- · Replies 7 ·
- Poll
Graduate Do you prefer integral or differential form of Maxwell's equations?
- romsofia
- · Replies 21 ·
Undergrad Why Does the Fourier Transform Show Magnitude Around 3Hz?
- WCMU101
- · Replies 2 ·
Undergrad How to convert length units to inverse cm
- agentas
- · Replies 3 ·
Undergrad Strange: Earth's center of gravity
- Bonoman
- · Replies 5 ·
High School How is a spark created from scraping metal to start a fire?
- InsertName
- · Replies 6 ·
Atoms Everywhere: Unseeing Them Again?
- communication
- · Replies 5 ·
High School What are integrals used for in physics?
- Immanuel Can
- · Replies 4 ·
Graduate Could a Theory of Everything Unlock New Technological Marvels?
- Jagella
- · Replies 20 ·
Graduate Reading an old physics book and
- jmcginnis
- · Replies 2 ·
Undergrad Why do people say that mass is too fundamental to know exactly what it is?
- sodium.dioxid
- · Replies 32 ·
Graduate Is Copenhagen the pragmatic or actual interpretation of quantum theory?
- Varon
- · Replies 37 ·
High School Gravity Map of Earth: Have You Seen It?
- wolram
- · Replies 2 ·
Undergrad Understanding HVAC Dampers and Flow Rates
- poont2
- · Replies 7 ·
In your opinion what are the most elegant physical processes?
- levelzdey
- · Replies 11 ·
Undergrad What are the different names for mass and their translations in Italian?
- jumpjack
- · Replies 9 ·
High School How is hail formed in thunderclouds?
- LeonStanley
- · Replies 7 ·
Undergrad Turning a conductor into an insulator
- IssacBinary
- · Replies 2 ·
Undergrad Maths needed for voice simulation
- greeniekin
- · Replies 2 ·
High School Other examples of transverse and longitudinal waves
- Jagella
- · Replies 6 ·
How old are the atoms that make up my body?
- bostonnew
- · Replies 29 ·
The Greatness of Physics - Express Your Love!
- stevenytc
- · Replies 75 ·
Undergrad Why don't we use protons instead of electrons for wireless communication?
- Nano-Passion
- · Replies 14 ·
High School Is the gravitation source of energy? And yes then can we use this
- N9924734063
- · Replies 3 ·
High School What was the conclusion of the Milikan oil drop experiment?
- Kratos321
- · Replies 1 ·
Who Was Albert Messiah and What Impact Did He Have on Quantum Mechanics?
- nitin
- · Replies 4 ·
Undergrad Final Year Computer Science Project
- jermaindefoe
- · Replies 3 ·
High School Are CT Scans More Dangerous Than We Thought?
- Tom McCurdy
- · Replies 69 ·
Graduate Solar Energy Without Solar Cells?
- dacruick
- · Replies 4 ·
High School Is Ablimation the Same as Sublimation?
- lesy1
- · Replies 2 ·
Graduate Future Civilizations and Energy Production
- ClydeH
- · Replies 8 ·
Graduate Is it energy, energy change, or action?
- nortonian
- · Replies 38 ·
Graduate Shortest Time Frame: Limit, Measurability, Planck's Constant
- Hyperspace2
- · Replies 5 ·
High School Sources Of Error: closed air column
- n3w ton
- · Replies 12 ·
Graduate Intuition for information theory
- nigels
- · Replies 4 ·
Graduate Correspondence Principle vs Emergence
- Varon
- · Replies 39 ·
Undergrad Convolution and Fourier transform producing similar results in image processing
- m~ray
- · Replies 6 ·
Graduate Will Future Civilizations Really Harness the Energy of Stars?
- ClydeH
- · Replies 1 ·
Undergrad Volume of air lost through orifice in 2.8 seconds
- Mark Selvey
- · Replies 11 ·
What scientific tasks would you do first as a superhero?
- mjacobsca
- · Replies 12 ·
Undergrad So, is the frequency of the wave affected by the change in velocity?If so, how?
- SEZHUR
- · Replies 4 ·
Graduate How do you understand Non-Locality ?
- Varon
- · Replies 34 ·
Graduate Can we really observe the average trajectories of single photons?
- Pythagorean
- · Replies 2 ·
Undergrad What would happen if Earth's core where moved? (Gravity)
- iminhell
- · Replies 5 ·
High School Flag Waving Physics at Apollo 11 Moon Landing
- Hyperspace2
- · Replies 7 ·
Undergrad What is a Valvular Conduit and Its Applications?
- Kalrag
- · Replies 5 ·
Undergrad Redox and other unique battery solutions
- fastline
- · Replies 3 ·
High School Physics Olympics YouTube video: song parody or other ideas?
- pkpiotr517
- · Replies 2 ·
I smoke. I like to lite cigarets with matches. It was long time since
- Mihael@@/&
- · Replies 11 ·
Invisible paint? is it possible?
- shlomih
- · Replies 26 ·
High School Youtube Video for AP physics project-Advice/Opinions Wanted
- pkpiotr517
- · Replies 3 ·
High School Uncertainty Formulas for High-School Level
- hobomoe
- · Replies 2 ·
Introducing Myself: Hiya Physics Student
- Haldhad
- · Replies 9 ·
Undergrad Wondering the Science of Extraterrestrial Species
- Hyperspace2
- · Replies 7 ·
Graduate Observations that broke the rules?
- Brad12d3
- · Replies 2 ·
Graduate Fictional Application of Ring-Vortex
- Misericorde
- · Replies 1 ·
Graduate When was Podkletnov effect definitely discarded as not existent?
- jumpjack
- · Replies 14 ·
Physics bases future technologies
- revo74
- · Replies 3 ·
Undergrad Vibration of a Circular Membrane Equation
- Moss Pauly
- · Replies 2 ·
Undergrad How to come up with research questions?
- Uranium235
- · Replies 2 ·
High School How accurate is the gravity simulator at nowykurier.com?
- Bradyns
- · Replies 1 ·
Graduate How can a digital to analogue converter be designed to produce a squared output?
- simba9071
- · Replies 2 ·
Reminiscences: 1976 interview with J.A.Wheeler (friend of Bohr and Einstein)
- marcus
- · Replies 1 ·
Undergrad How is sound and electrical energy created during thunderstorms?
- shashankac655
- · Replies 3 ·
Why do physicists use Bob and Alice in thought experiments?
- mankin2006
- · Replies 31 ·
High School Why does water stay in a syringe when pulled up?
- Da Apprentice
- · Replies 10 ·
Graduate Molecular Opposites: Can We Determine Exact Opposite?
- vinanxi
- · Replies 2 ·
Undergrad Can someone explain the following logic used to define the meter?
- sodium.dioxid
- · Replies 4 ·
High School Informal experiment in IR detection
- Fewmet
- · Replies 1 ·
Graduate Time travel and the 2nd law of thermodynamics
- jewfro420
- · Replies 2 ·
Seeing Michio Kaku today. Any questions you'd like me to ask?
- SeventhSigma
- · Replies 104 ·
TED Video: Leonard Susskind: My friend Richard Feynman
- rhody
- · Replies 4 ·
Undergrad My Amazon Prime expires soon, recommend me something
- QuarkCharmer
- · Replies 15 ·
How to pronoucne Mie in Mie Scattering?
- splitringtail
- · Replies 1 ·
High School What is the fifth state of matter?
- lakshmi
- · Replies 12 ·
High School Building a Storage Loft: Joist Hangers for Concrete and Drywall
- samfsu
- · Replies 3 ·
Graduate Could a Voitenko Compressor be Used in a Missile for Armor-Piercing Attacks?
- Misericorde
- · Replies 2 ·