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 Stability of droplets - using Unduloids
- rsr_life
- · Replies 2 ·
Graduate How do fractals relate to chaotic phenomena?
- billiards
- · Replies 11 ·
Graduate Units for mass in the available energy formula
- HarryDaniels
- · Replies 3 ·
High School Does Earth's expansion differ from continental drift in explaining continents?
- kingfugazi
- · Replies 6 ·
Undergrad Finding hour angle and solar noon for each day of the year
- dacruick
- · Replies 12 ·
High School What is the Standard Definition of One Second in the Metric System?
- samieee
- · Replies 6 ·
High School How do electrons emit photons when a light bulb turns on?
- Gorn
- · Replies 8 ·
High School Understanding Vacuum Physics and the Crack in My Window
- slworry
- · Replies 6 ·
Graduate Calculating error in fit parameter
- NanakiXIII
- · Replies 3 ·
Graduate What Sets Scientific Geniuses Apart?
- narniaoff
- · Replies 13 ·
Undergrad Ghost sightings correlated to EM fields
- Dissident Dan
- · Replies 37 ·
Undergrad Why are length, width and depth separate dimensions?
- Eusonance
- · Replies 11 ·
Undergrad Do Chemical, Atomic, and Nuclear Reactions Occur in Three Spatial Dimensions?
- Char. Limit
- · Replies 3 ·
Graduate How design vent silencer pwl and spl
- reza1211
- · Replies 2 ·
Undergrad Do some waveforms tunnel through barriers better than others?
- forex10
- · Replies 1 ·
High School Where to find De Moivre's theorem and its derivation
- Philosophaie
- · Replies 1 ·
Undergrad Why do gravity and electromagnetic radiation both follow inverse square laws?
- EnumaElish
- · Replies 1 ·
High School Why is the 1/2 term necessary in physics equations?
- DecayProduct
- · Replies 4 ·
Undergrad Transverse vibration in a solid metal rod
- confused_haha
- · Replies 1 ·
High School How do waves travel in a vacuum?
- MrPickle
- · Replies 4 ·
Do Physicists Drink? - Debating the Risks of Alcohol
- Apexny
- · Replies 71 ·
High School What Is Wavelength in Sound and EM Waves?
- MiniSmSm
- · Replies 17 ·
Undergrad Can black and white photo intensity be converted to original colors?
- rajeshmarndi
- · Replies 8 ·
Online courses for general physics
- jtesttubes
- · Replies 1 ·
High School What is the speed of hair growth in m/s?
- BogMonkey
- · Replies 2 ·
How do physicists find time to swim while working full-time?
- Blenton
- · Replies 12 ·
Undergrad Are SI Units Equivalent in Differential Equations?
- mlsbbe
- · Replies 5 ·
- Poll
High School Is anything on Earth- 4 dimensional? 2 dimensional? 1 dimensional?
- ronandkryn
- · Replies 12 ·
Undergrad Two concentrations of calcium ions inside and outside the membrane
- msoric
- · Replies 3 ·
Undergrad Build a machine that could defy gravity
- outlawedge23
- · Replies 2 ·
Show pictures of your lab or workspace
- n0_3sc
- · Replies 81 ·
Undergrad Why is diamond better than other materials for drill bits?
- PippaBG
- · Replies 4 ·
Undergrad Why does the moon have less gravity than Earth?
- jtesttubes
- · Replies 14 ·
Undergrad Does a year exist as a physical measurement of time?
- Cfire
- · Replies 5 ·
Good educational video sites for learning physics concepts
- MadmanMurray
- · Replies 7 ·
Undergrad How Can Poisson's Ratio Reach -1?
- I_am_no1
- · Replies 1 ·
High School Multiplying Decimals: Common Mistake?
- BogMonkey
- · Replies 3 ·
Is it me, or is Michio Kaku a total buffoon?
- Werg22
- · Replies 125 ·
Undergrad How does a chip store so much information?
- Marciano
- · Replies 1 ·
High School Is the force of gravity affected by an object's mass?
- Pupil
- · Replies 101 ·
High School Modern Physics vs Classical Physics
- Senjai
- · Replies 5 ·
Graduate Could Quasars Be Alien Spacecraft?
- ehilge
- · Replies 5 ·
Undergrad How to calculate the mass of Earth
- God's Pen
- · Replies 29 ·
Graduate Eight short questions, but very important to me
- menniandscience
- · Replies 5 ·
High School Doppler Effect Investigatory Project
- JGL
- · Replies 6 ·
High School Is There Absolute Vacuum Between Atoms?
- Rishav1
- · Replies 41 ·
Graduate Can Quantum Mechanics and System Approaches Coexist Without Conflict?
- SW VandeCarr
- · Replies 16 ·
Undergrad Does sinusoidal play a role in physics?
- Gerenuk
- · Replies 43 ·
Undergrad Do antimatter bar magnets produce the same magnetic fields as ordinary magnets?
- cragar
- · Replies 2 ·
Undergrad Is Matter Infinitely Divisible?
- rjmorgalo
- · Replies 20 ·
Zombie defense using physics and hardware store materials
- trini
- · Replies 5 ·
High School Laws of Physics vs. Laws of Nature
- kgreen
- · Replies 3 ·
High School What is viscosity and how is it defined?
- SOHAWONG
- · Replies 1 ·
Graduate How to Find Bessel[-v,x] Given Bessel[v,x] in Fortran?
- xylai
- · Replies 4 ·
Undergrad Who knows the proper name for this experiment
- rimblock
- · Replies 10 ·
Undergrad What does the ± symbol mean in Hubble constant measurements?
- zeromodz
- · Replies 1 ·
When studying physics did final exams always stress you out?
- sportsstar469
- · Replies 9 ·
High School What causes the Coandă effect?
- raul_l
- · Replies 16 ·
Graduate Norway Spiral Mathematically Proven to not be a Missile
- trigNspirals
- · Replies 2 ·
Undergrad Where does the energy to create tides come from?
- Jahn89
- · Replies 5 ·
What would Richard Feynman say about Global warming?
- dmtr
- · Replies 4 ·
High School Do Frying Pans Weigh More in the Sun or the Shade?
- ƒ(x)
- · Replies 5 ·
Graduate What Is the Expression for Circular Wave Displacement in a Pond?
- scepter
- · Replies 6 ·
Graduate Why Was Bohr's Complementarity Principle Overlooked in Physics?
- apeiron
- · Replies 27 ·
How Can an Older Newcomer Navigate a Physics Forum?
- kohana
- · Replies 10 ·
Graduate Is Information described by physics?
- 1Truthseeker
- · Replies 16 ·
High School How do I choose graph scale and break axes correctly for lab data?
- Boogeyman
- · Replies 2 ·
What is the physics of a ukulele
- Moose772
- · Replies 1 ·
Undergrad What causes the formation of beads in rocket exhaust plumes?
- Artlav
- · Replies 1 ·
How Can I Improve My Mile Time in Cold Weather?
- sportsstar469
- · Replies 30 ·
Graduate Solving the Interesting Problem of the Last Bit of Water in a Bottle
- ioscope
- · Replies 1 ·
Undergrad Biophysics enzyme experiments for a second year lab
- ineptitude
- · Replies 2 ·
High School Dancing Orbs and Strange White Light
- Liger20
- · Replies 10 ·
Undergrad Using Vector Notation in Physics: Appropriate or Wrong?
- tomwilliam
- · Replies 3 ·
Undergrad Estimating Label Quantity on a Used Roll
- mlawrence2102
- · Replies 9 ·
High School Why is wind energy proportional to velocity cubed, not squared?
- HarryWertM
- · Replies 8 ·
Theory that most physicists believe that the decision
- CloIV
- · Replies 8 ·
High School Why Ampere is Not a SI Unit? A Brief Overview
- trust143_raj
- · Replies 7 ·
High School Standard Deviation: Learn for Chemistry Lab Quiz
- sportsstar469
- · Replies 6 ·
How do people visualize 4-dimensional space?
- Char. Limit
- · Replies 14 ·
Graduate I'm having trouble understanding multiple dimensions up to 10
- BryceMaclaren
- · Replies 6 ·
High School Understanding Experimental Error
- green-fresh
- · Replies 7 ·
Graduate QM Interpretations and the Measurement Problem
- kote
- · Replies 6 ·
High School Why is long wave reception better in mountainous areas compared to VHF?
- tushi81
- · Replies 6 ·
Graduate Does physics support the notion of eternity?
- zeromodz
- · Replies 9 ·
Graduate Visualising the fourth dimension-can it be done?
- Neo_Anderson
- · Replies 27 ·
Undergrad Win Nobel Prize in Physics with Electrical Engineering?
- rajendraranabha
- · Replies 18 ·
Who makes these 'physics' rules anyway?
- rolerbe
- · Replies 20 ·
High School Is this the ultimate physics song about pendulums?
- XeonXT
- · Replies 2 ·
Tiger Woods, Physics, and John Gribben
- George Jones
- · Replies 2 ·
Undergrad Relation between wet ability and viscosity
- cataldo
- · Replies 1 ·
Graduate Error estimation for peak amplitude in FFT output
- theneedtoknow
- · Replies 10 ·
Feynman Messenger Lectures (via Microsoft)
- robphy
- · Replies 15 ·
High School Understanding Energy in Physics: Is it Matter or Force?
- Dman
- · Replies 6 ·
What is the most efficient and powerful way to store energy?
- FoxCommander
- · Replies 11 ·
Students who cheat in introductory physics courses
- Ben Niehoff
- · Replies 30 ·
Undergrad Time Derivative: How Does 2x Differ from x² Differ?
- delve
- · Replies 4 ·
High School Gravity at Toronto, Ontario: Find Acceleration Value Here
- nietzsche
- · Replies 3 ·
Physics Communication Idea - Prove Me Wrong
- chrismenino
- · Replies 28 ·
Undergrad What is a Gauge? Illustrative Explanation
- Winzer
- · Replies 7 ·