Other Physics Topics Forum

Post thread
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.
Undergrad Transverse and longitudinal waves
  • · Replies 6 ·
Replies
6
Views
3K
High School Why does a snowflake have six sides?
  • · Replies 6 ·
Replies
6
Views
3K
High School How do I estimate how tall this building is?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Examples of units with non-integer exponents
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Ambiguity in dimensional analysis
  • · Replies 17 ·
Replies
17
Views
3K
Let's use comics to answer some questions
  • · Replies 2 ·
Replies
2
Views
979
Undergrad Calculating Density/Specific Body Mass: Need Help?
  • · Replies 9 ·
Replies
9
Views
2K
Undergrad "The Portal problem" (Classical Mechanics solution)
  • · Replies 10 ·
Replies
10
Views
9K
What's this website about? ("nucleus layered view")
  • · Replies 3 ·
Replies
3
Views
1K
Graduate What is the Superposition of Wave Functions in the US?
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad Translation of handwriting into readable form
  • · Replies 7 ·
Replies
7
Views
2K
What's your dominant learning style?
  • · Replies 25 ·
Replies
25
Views
4K
High School Uncovering the Mystery of VIBGYOR: The True Colors of the Rainbow Revealed!
  • · Replies 6 ·
Replies
6
Views
4K
High School Is the Journal of Atmospheric and Solar-Terrestrial Physics credible?
  • · Replies 12 ·
Replies
12
Views
2K
High School What is the Meaning of Harmonic Content in Sound Waves?
  • · Replies 1 ·
Replies
1
Views
2K
High School States of Matter That Aren't Fluids
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Understanding the Fundamental Frequency f1 and Its Role in Sound Waves
  • · Replies 6 ·
Replies
6
Views
2K
High School Hear Things: Frequency, Vibration & Audibility
  • · Replies 8 ·
Replies
8
Views
2K
High School How does a vacuum pump push gas out of a container?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Help to form questions regarding wind flow/convection
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Meaning of "equatorial radius in an orbital plane"
  • · Replies 3 ·
Replies
3
Views
2K
High School Why is Pi so occurring in physics
  • · Replies 2 ·
Replies
2
Views
1K
High School Popular Physics & Math Books 2014 & 2015
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Drum Resonance Physics: Understanding How Tunings Affect Frequency
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Why Does My Calculated Molar Mass of Arsenic Differ from the Standard Value?
  • · Replies 3 ·
Replies
3
Views
4K
Insights Think You Know about the LHC? - Comments
  • · Replies 26 ·
Replies
26
Views
3K
High School Vibrations of a Violin (Physics)?
  • · Replies 2 ·
Replies
2
Views
1K
High School Understanding Mainstream Physics
  • · Replies 4 ·
Replies
4
Views
2K
High School Wind turbines turning in no wind?
  • · Replies 1 ·
Replies
1
Views
2K
High School Why is there a hole in airplane windows?
  • · Replies 6 ·
Replies
6
Views
2K
High School Why do physics majors have high IQs
  • · Replies 45 ·
2
Replies
45
Views
9K
Undergrad Designing a Mars-Ready RC Plane: What Factors Must Be Considered?
  • · Replies 18 ·
Replies
18
Views
2K
Graduate Statistics and Data Science applied to Physics
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Elite scientists can hold back science
  • · Replies 6 ·
Replies
6
Views
2K
High School Why does breathing out have more effect on surroundings?
  • · Replies 13 ·
Replies
13
Views
1K
Name of The inventor of the first rocket?
  • · Replies 3 ·
Replies
3
Views
1K
High School Why is Specific Gravity Important?
  • · Replies 2 ·
Replies
2
Views
1K
Femto Photography: Capturing the Unseen World
  • · Replies 3 ·
Replies
3
Views
2K
The greatest discovery in physics for the past two years
  • · Replies 22 ·
Replies
22
Views
3K
Graduate Material Inflation: Analysis of Intermolecular Forces
  • · Replies 6 ·
Replies
6
Views
1K
Undergrad Identify this piece of equipment?
  • · Replies 4 ·
Replies
4
Views
1K
High School Do Paper Contracts When Burnt?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Dealiasing in 2D: How to Effectively Use the 2/3 Padding Rule
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is there a good book on only observational evidence
  • · Replies 5 ·
Replies
5
Views
1K
Advice: what to do with the SPS chapter?
  • · Replies 6 ·
Replies
6
Views
1K
Graduate Fluorescence Spectroscopy and Stokes Shift
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Deduction of the equation of frequencies of a piano
  • · Replies 2 ·
Replies
2
Views
1K
High School Detect Window/Door opening closing using sensors
  • · Replies 23 ·
Replies
23
Views
8K
Graduate Doubt about the behavior of a string of a piano
  • · Replies 2 ·
Replies
2
Views
1K
High School Wind Turbine Effectiveness Project
  • · Replies 4 ·
Replies
4
Views
2K
High School What is the purpose of the term 'Matter'?
  • · Replies 3 ·
Replies
3
Views
2K
High School What is the meaning of the term 'object'?
  • · Replies 3 ·
Replies
3
Views
2K
High School Uncovering the History of Photographic Plates in Radioactivity Experiments
  • · Replies 7 ·
Replies
7
Views
3K
High School Trouble Remembering Physics Equation with x + 5 = y + 2 and x + 3 = y
  • · Replies 11 ·
Replies
11
Views
2K
High School Preserving information/an object for a couple of billion years
  • · Replies 20 ·
Replies
20
Views
2K
Undergrad Static Cling - why is its effect permanent ?
  • · Replies 3 ·
Replies
3
Views
1K
Graduate Four Waves Formalism - Course & Paper Info
  • · Replies 4 ·
Replies
4
Views
1K
Graduate Physicists should take pride in their work
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad What Are Some Major Research Facilities Like CERN in the US and Europe?
  • · Replies 5 ·
Replies
5
Views
4K
High School Can glass really break into tiny harmful dust particles?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad What kind of physics is involved in computer production?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Circle/Sphere Touching: Perfection & Friction
  • · Replies 11 ·
Replies
11
Views
2K
Did Lord Kelvin Say "If You Can't Measure It, It Isn't Real!"?
  • · Replies 1 ·
Replies
1
Views
3K
High School Any Interesting Problems I could try to solve?
  • · Replies 9 ·
Replies
9
Views
2K
Graduate Thermionic Emission Effects on Surfaces
  • · Replies 2 ·
Replies
2
Views
1K
High School Does a Gravity of a planet determine density?
  • · Replies 6 ·
Replies
6
Views
3K
How is Michio Kaku regarded in the Physics world?
  • · Replies 120 ·
5
Replies
120
Views
39K
How near we are to make a Real Iron Man's Arc Reactor?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Could floating cities become a reality using rocket boosters?
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Why Does Wave Energy Depend on Frequency and Not Wavelength?
  • · Replies 1 ·
Replies
1
Views
1K
High School Mother of a grade 12 physics student
  • · Replies 8 ·
Replies
8
Views
1K
Undergrad If air is a mixture, why don't the gases separate?
  • · Replies 48 ·
2
Replies
48
Views
12K
Graduate Does this wave propagation problem make physical sense?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Solving Uncertainty in Lab Report Calculation
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Unusual Math Formulas on Blackboard: Understanding Pi and Lambda
  • · Replies 2 ·
Replies
2
Views
1K
High School Finding Uncertainty Using Upper/Lower Bound
  • · Replies 2 ·
Replies
2
Views
5K
Undergrad Why do we need in-phase & quadrature components of a signal?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Does a Big Defensive Bark Drain a Dog's Energy?
  • · Replies 7 ·
Replies
7
Views
1K
High School Why Do Waves Oscillate Like a Pendulum?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Gravitational Effect of Uniform Mass on Earth's Surface
  • · Replies 4 ·
Replies
4
Views
1K
High School Do We Ever Truly Touch Anything?
  • · Replies 51 ·
2
Replies
51
Views
95K
Graduate Unable to understand vector derivative
  • · Replies 5 ·
Replies
5
Views
1K
Graduate Is Cold Fusion Making a Comeback with Serious Investment?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Way of producing 600kHz longitudinal waves - Piezo or siren
  • · Replies 15 ·
Replies
15
Views
3K
Undergrad What Is the Difference Between Atoms in High and Low Fields?
  • · Replies 3 ·
Replies
3
Views
2K
High School Creating a Home-made Vacuum Chamber
  • · Replies 23 ·
Replies
23
Views
12K
High School Are Mass and Energy the same thing?
  • · Replies 25 ·
Replies
25
Views
14K
High School The Sun's Fire: Low O2 and Carbon Emissions
  • · Replies 14 ·
Replies
14
Views
2K
High School Make a Toy Piston: Find Solution to Inner Can Size Issue
  • · Replies 5 ·
Replies
5
Views
1K
Stellerator Status: Updates on Data Collection and Press Releases
  • · Replies 5 ·
Replies
5
Views
1K
High School Calculating Batteries to Power a PC - A Curious Question
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad Does cacao powder form another "state of matter"?
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad Do Both Carbon Atoms in Ethane Rotate During Conformation Changes?
  • · Replies 7 ·
Replies
7
Views
1K
Graduate Real-Life Signals: Are They Infinitely Continuous & Differentiable?
  • · Replies 16 ·
Replies
16
Views
2K
Do Quantum Theories Support the Existence of Extraterrestrial Life?
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Deriving the Equation for Area of a Ring
  • · Replies 3 ·
Replies
3
Views
1K
High School Molecule Size VS Occupied Volume of Gases
  • · Replies 4 ·
Replies
4
Views
1K
News 2015 Nobel Prize in Physics announcement
  • · Replies 34 ·
2
Replies
34
Views
6K
Graduate Are nodes on a string perfect nulls?
  • · Replies 4 ·
Replies
4
Views
1K
High School Does Gravity Master Accurately Represent Real-Life Physics in Gaming?
  • · Replies 1 ·
Replies
1
Views
1K