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.
Graduate Jobs websites for theoretical/computational physics
  • · Replies 2 ·
Replies
2
Views
1K
High School Solar cell educational graphics - review for possible errors
  • · Replies 2 ·
Replies
2
Views
2K
High School What is the source of this intriguing natural noise diagram?
  • · Replies 3 ·
Replies
3
Views
2K
High School Understanding the Equations and Units
  • · Replies 13 ·
Replies
13
Views
2K
Undergrad How to Convert Cgs to SI Units for Flux and Energy Values?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Can Buoyancy Create Free Energy?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Is there such a thing as true darkness?
  • · Replies 50 ·
2
Replies
50
Views
21K
Undergrad Floating Strawberry: Real or Fake?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Is there any absolute proof that photons exist?
  • · Replies 4 ·
Replies
4
Views
2K
High School How Do I Linearize My Negative Parabola Graph?
  • · Replies 23 ·
Replies
23
Views
15K
Graduate Are there instances of Simpson's Paradox in Physics?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Hammer Effect in Pipelines: Packing, Attenuation & Flow
  • · Replies 11 ·
Replies
11
Views
2K
High School Can I Test Lightboxes for UV Rays?
  • · Replies 7 ·
Replies
7
Views
2K
High School Why Do Some People Conduct Electricity and Others Don't?
  • · Replies 5 ·
Replies
5
Views
4K
Insights Interview with a Physics Mentor: Nugatory - Comments
  • · Replies 5 ·
Replies
5
Views
3K
High School Difference Between dB and dBA Scales Explained
  • · Replies 2 ·
Replies
2
Views
5K
High School Voyager 1: How Long Can We Communicate?
  • · Replies 4 ·
Replies
4
Views
2K
High School Can Antimatter Be Trapped in Thunderstorms?
  • · Replies 11 ·
Replies
11
Views
2K
High School Question regarding JJ Thompson's Experiment
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Understanding Sinusoidal Waves: Motion and Displacement Explained
  • · Replies 5 ·
Replies
5
Views
3K
High School Does anyone know what this picture on an AP Physics t-shirt means?
  • · Replies 12 ·
Replies
12
Views
2K
Undergrad Explain the formula, rpm unit conversion
  • · Replies 2 ·
Replies
2
Views
6K
Graduate Neumann boundary conditions in calculus of variations
  • · Replies 8 ·
Replies
8
Views
3K
Graduate René Heller's SETI Decrypt Challenge
  • · Replies 8 ·
Replies
8
Views
3K
High School How Does This Experiment Help Us Understand Vibration?
  • · Replies 5 ·
Replies
5
Views
1K
Undergrad Hopelessly Confused (Strange Light Distribution)
  • · Replies 4 ·
Replies
4
Views
1K
High School How Many Layers of Aluminum Foil Are Needed for a Resonant Cavity?
  • · Replies 8 ·
Replies
8
Views
2K
High School Has any experiment actually measured PI to many places?
  • · Replies 16 ·
Replies
16
Views
2K
Graduate Progress in measurement of gravitational constant?
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Is Thermodynamics the hardest science?
  • · Replies 6 ·
Replies
6
Views
8K
High School Can someone explain attraction using the 'two people throwing balls' analogy?
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad What Causes Patterns in Water Droplets with Sound Waves?
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Why Do Some Clouds Have a Rainbow Hue?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad What is the correct terminology for intensity and effort in exercise?
  • · Replies 2 ·
Replies
2
Views
2K
High School Unraveling the Science of Sub-Woofers
  • · Replies 13 ·
Replies
13
Views
8K
Remembering J. D. Jackson: A Tribute to a Physics Legend
  • · Replies 3 ·
Replies
3
Views
2K
High School Can a Bridge Sing? Solve the Mystery!
  • · Replies 11 ·
Replies
11
Views
2K
Graduate Two dimensional plane equal absolute nothing
  • · Replies 23 ·
Replies
23
Views
4K
Photo Contest - Gravity (4/30-5/13)
  • · Replies 20 ·
Replies
20
Views
4K
Graduate Explaining 'Attenuation' in Water Hammer in Pipelines
  • · Replies 2 ·
Replies
2
Views
2K
High School Question About Density: Lower Mass, Same Volume?
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Can a Sprayed Metal Roof Act as a Cooler and Radiator for a Room?
  • · Replies 11 ·
Replies
11
Views
4K
High School What is the basic science behind fire?
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Understanding Units: Multiply vs Divide
  • · Replies 15 ·
Replies
15
Views
4K
Undergrad Is It Possible to Create a Natural Vacuum in a Cavern Using Clay and Water?
  • · Replies 3 ·
Replies
3
Views
6K
Undergrad How Much Does High-Speed Flight Affect Aging?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad How can novice scientific enthusiast get ideas disscussed?
  • · Replies 13 ·
Replies
13
Views
2K
High School Does Methane Gravitationally Differentiate in Air or Mix with Fluid Dynamics?
  • · Replies 1 ·
Replies
1
Views
2K
High School Question about the states of matter
  • · Replies 19 ·
Replies
19
Views
2K
Graduate PET scanners -- SNR versus NECR....
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad David McMahon: The Master of Demystifying Science
  • · Replies 3 ·
Replies
3
Views
3K
High School Why is there no prefix for 10^5,10^-5 and 10^4 and 10^-4?
  • · Replies 2 ·
Replies
2
Views
2K
Insights Interview with a Physicist: Sean Carroll - Comments
  • · Replies 6 ·
Replies
6
Views
2K
High School Traveling microscope vs vernier calliper
  • · Replies 6 ·
Replies
6
Views
6K
High School Strange Phenomena when the Sun is low on the horizon?
  • · Replies 7 ·
Replies
7
Views
2K
  • Poll Poll
Current physics PhD students & postdocs: area of research
  • · Replies 11 ·
Replies
11
Views
2K
Undergrad What are some ways to 'mold'/change the shape of a flame?
  • · Replies 6 ·
Replies
6
Views
2K
High School Vague definition of the word molecule
  • · Replies 4 ·
Replies
4
Views
1K
Graduate Why Retraction? New Journal of Physics Investigates
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Why is the standard deviation the error on the singular meas
  • · Replies 1 ·
Replies
1
Views
2K
High School Relative Humidity 10 kilometers (6.2 miles) away....
  • · Replies 2 ·
Replies
2
Views
2K
High School Amplitude Modulation: Unique Frequency & Bandwidth
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Is it Possible to Create a Device that Neutralizes Loud Vehicle Speakers?
  • · Replies 2 ·
Replies
2
Views
1K
High School Parallex Method: Struggling in 11th Class?
  • · Replies 8 ·
Replies
8
Views
2K
High School What Causes the Unique Sound of Thunder During Storms?
  • · Replies 14 ·
Replies
14
Views
3K
High School Solving Confusion with Waves in Physics
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Is Pascal's Law Wrong? Debunking the Myth of Equal Pressure in Fluids
  • · Replies 20 ·
Replies
20
Views
4K
What is the answer to this physics riddle?
  • · Replies 31 ·
2
Replies
31
Views
4K
High School Finding a Gas for Physics Experiment
  • · Replies 2 ·
Replies
2
Views
1K
Insights Why Won't You Look at My New Theory? - Comments
  • · Replies 228 ·
8
Replies
228
Views
26K
Undergrad Fourier transform sum of two images
  • · Replies 15 ·
Replies
15
Views
2K
Graduate Can infinity be observed in the real world?
  • · Replies 2 ·
Replies
2
Views
2K
High School Debunking Alleged proofs against modern science
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How Aristarchus found moon's diameter?
  • · Replies 11 ·
Replies
11
Views
2K
Undergrad Oscillations and Waves in Fluids
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Eratosthene's explanation of the sun's ray
  • · Replies 9 ·
Replies
9
Views
2K
High School Does "nothing" have a meaning in physics?
  • · Replies 26 ·
Replies
26
Views
3K
High School IF north pole becomes the south pole....
  • · Replies 37 ·
2
Replies
37
Views
5K
Insights Secondary Forces Explored - Comments
  • · Replies 6 ·
Replies
6
Views
3K
Physicists/Mathematicians: Night Owls or Morning Larks?
  • · Replies 6 ·
Replies
6
Views
2K
News RIP Sir David Mackay: Physicist, Mathematician, Author
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad A.P French equation Question -- singing wine glass experiment
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad What Are the Names of These Four Equations?
  • · Replies 4 ·
Replies
4
Views
1K
Graduate Reducing standing waves with phase randomization
  • · Replies 5 ·
Replies
5
Views
1K
Insights Interview with a Physics Mentor: PeterDonis - Comments
  • · Replies 7 ·
Replies
7
Views
3K
High School Trig question, I'm sure I'm being silly but help please....
  • · Replies 1 ·
Replies
1
Views
1K
High School Who Created the Inverse Square Law Theory
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Pro's and con's of suspended speakers
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad How to Estimate Uncertainty for a Physical Quantity with Dependent Variables?
  • · Replies 2 ·
Replies
2
Views
2K
High School Need help to create an experiment
  • · Replies 8 ·
Replies
8
Views
1K
Graduate Do Wind Turbines Significantly Alter Weather Patterns?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Multi Gaussian Beam Derivation | Example Matrix
  • · Replies 2 ·
Replies
2
Views
1K
Insights Physics Forums Crackpot Index - Comments
  • · Replies 111 ·
4
Replies
111
Views
31K
High School What is the True Frequency of Sound When Striking Wood at Different Rates?
  • · Replies 2 ·
Replies
2
Views
2K
High School Find 3D Models of Waves | Get Creative with 4D Displays
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Who does the ordinary man contact?
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad A question about non-conductive materials
  • · Replies 8 ·
Replies
8
Views
1K
Undergrad What is the most suitable sensor for measuring punch force?
  • · Replies 2 ·
Replies
2
Views
2K
What is the name of this Laboratory Instrument?
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad Are Physical Laws Truly Reversible?
  • · Replies 29 ·
Replies
29
Views
4K