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.
High School If the earth started spinning clockwise
  • · Replies 29 ·
Replies
29
Views
7K
High School Will level of liquid increase if ice melts in it?
  • · Replies 4 ·
Replies
4
Views
9K
Graduate About the missing Gamma Rays of Low Energy Fusion
  • · Replies 12 ·
Replies
12
Views
8K
Graduate Publication advice for Born Rule paper
  • · Replies 3 ·
Replies
3
Views
2K
High School Strange object in the sky blinking
  • · Replies 3 ·
Replies
3
Views
10K
Undergrad Is a Perfect Vacuum Achievable?
  • · Replies 8 ·
Replies
8
Views
3K
Graduate ED-XRF spectra - recurrant artifact below 0 keV?
  • · Replies 7 ·
Replies
7
Views
3K
High School Converting Joules to MeV: Understanding Energy Conversion
  • · Replies 1 ·
Replies
1
Views
2K
Questions about Radio/Radar Mapping of Other Planets - Forum User SC
  • · Replies 4 ·
Replies
4
Views
2K
How does Walter Lewin draw dotted lines so quickly on a blackboard?
  • · Replies 7 ·
Replies
7
Views
16K
Graduate A scale challenge for your brilliant minds.
  • · Replies 4 ·
Replies
4
Views
2K
High School Why does foam form on orange squash?
  • · Replies 5 ·
Replies
5
Views
10K
What Are the Most Romantic Old-Time Science Phrases?
  • · Replies 24 ·
Replies
24
Views
6K
Why do lots of people think time isn't real?
  • · Replies 11 ·
Replies
11
Views
13K
Undergrad Digital Signals on Analog lines?
  • · Replies 5 ·
Replies
5
Views
7K
High School Whats fire made of? What element atoms are it.?
  • · Replies 19 ·
Replies
19
Views
10K
Undergrad What are some good websites/magazines for updates in physics?
  • · Replies 2 ·
Replies
2
Views
2K
Can energy be perceived directly?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate N-Body Problem Help: Finding Chaos
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How is Taylor expansion used in physics?
  • · Replies 4 ·
Replies
4
Views
2K
Can Brooms Really Stand by Themselves?
  • · Replies 4 ·
Replies
4
Views
8K
Graduate Does an observation now create the past?
  • · Replies 2 ·
Replies
2
Views
4K
Photo Contest - Quantum Physics (4/14-4/20)
  • · Replies 9 ·
Replies
9
Views
4K
Graduate God Equation: Is It Real? What Does it Mean?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Forced Vibration: Can Objects Adjust Shape?
  • · Replies 1 ·
Replies
1
Views
2K
Physics professor beats $400 ticket using physics
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad A book trying to answer what life is from a physical perspective
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Is a PhD in Physics Still a Viable Career Choice for an Engineer?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Confused about autocorrelation and PSD
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why are Some Constants Dimensionless?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Capillary Action and Paper Towel Physics
  • · Replies 1 ·
Replies
1
Views
5K
Graduate Ellipsometric data analysis software?
  • · Replies 3 ·
Replies
3
Views
9K
Undergrad Relative Density of metal powder
  • · Replies 5 ·
Replies
5
Views
6K
Undergrad Can anyone define anti-matter in concrete terms?
  • · Replies 18 ·
Replies
18
Views
4K
Undergrad Physicist claims victory over traffic ticket with physics paper
  • · Replies 7 ·
Replies
7
Views
4K
Graduate Are Einsteins field equations too complicated?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Uncertainty Propagation for the Slope of a Line of Best Fit
  • · Replies 7 ·
Replies
7
Views
25K
High School Why Can't We Hear: Sound Traveling in Solids
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Where Does Light from a Burning Stick Come From?
  • · Replies 2 ·
Replies
2
Views
2K
High School Theory of Energy Output: An Overview
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Propagation of uncertainties with calculus
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Soot Mystery: Uncovering the Puzzling Phenomenon in a Wood-Burning Stove Room
  • · Replies 38 ·
2
Replies
38
Views
7K
Graduate Can You Conduct Quantum Mechanics and Particle Physics Experiments at Home?
  • · Replies 6 ·
Replies
6
Views
3K
High School Which is denser: a rhino or a rock?
  • · Replies 4 ·
Replies
4
Views
3K
High School Interesting topics about physics for teens?
  • · Replies 5 ·
Replies
5
Views
25K
High School Guitar feedback INFINITE sustain? Does it really have an infinite sustain?
  • · Replies 18 ·
Replies
18
Views
5K
Undergrad What are the properties of transverse waves?
  • · Replies 57 ·
2
Replies
57
Views
9K
TOP 10 PHYSICISTS ALIVE (theoretical and experimental)
  • · Replies 1 ·
Replies
1
Views
8K
Undergrad How Did Mighty Atom's Hair Defy Physics?
  • · Replies 2 ·
Replies
2
Views
4K
High School I dont understand how to calculate percentage uncertainty?
  • · Replies 13 ·
Replies
13
Views
25K
APS April Meeting: Attendees & Highlights
  • · Replies 12 ·
Replies
12
Views
3K
Graduate Differential form of distances and some other doubts
  • · Replies 2 ·
Replies
2
Views
2K
High School Cutting metal pipe to make different pitches
  • · Replies 2 ·
Replies
2
Views
12K
Undergrad Bragg's Law: Find Equation 2dsinθ=nλ
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Nernst effect and statistical physics
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Historical misunderstandings and the names of physics phenomena
  • · Replies 1 ·
Replies
1
Views
4K
High School Unity means just plain regular 1 ?
  • · Replies 2 ·
Replies
2
Views
2K
High School How long does an explosion's boom last?
  • · Replies 13 ·
Replies
13
Views
9K
Who are some inspiring physicists and recommended books for beginners?
  • · Replies 6 ·
Replies
6
Views
2K
Seeing Is Believing: Is It Possible?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Thought experiment: Rising bubble in rigid container
  • · Replies 38 ·
2
Replies
38
Views
9K
Undergrad Is a perfect vacuum truly achievable in reality?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Geo Stationary Orbit: 83.0°E Satellite Location
  • · Replies 6 ·
Replies
6
Views
3K
Was a Distinguished Physics Professor Framed in Argentina Drug Bust?
  • · Replies 8 ·
Replies
8
Views
3K
High School Why is asking 'why' in physics frowned upon?
  • · Replies 12 ·
Replies
12
Views
3K
Name of this instrument? similar to vernier calliper
  • · Replies 4 ·
Replies
4
Views
2K
High School How Do You Write a Physics Formula?
  • · Replies 2 ·
Replies
2
Views
5K
Tilting a Salt Shaker - How Does it Not Tip Over?
  • · Replies 2 ·
Replies
2
Views
6K
What would you do for science with 100 billions dollars?
  • · Replies 38 ·
2
Replies
38
Views
6K
Why would glass shatter spontaneously?
  • · Replies 7 ·
Replies
7
Views
61K
Undergrad What is the role of complex numbers in physics?
  • · Replies 8 ·
Replies
8
Views
3K
High School Mysterious Glass Shatter: What Caused It?
  • · Replies 24 ·
Replies
24
Views
34K
High School How to round off percentage uncertainties?
  • · Replies 1 ·
Replies
1
Views
9K
Can I become a physicist without good grades?
  • · Replies 9 ·
Replies
9
Views
3K
High School How does one break a glass bottle and have smooth edges
  • · Replies 1 ·
Replies
1
Views
14K
Undergrad A newcomer to physics could use a little help?
  • · Replies 3 ·
Replies
3
Views
2K
High School Solving E=mc^2: What Units to Use?
  • · Replies 9 ·
Replies
9
Views
6K
High School How do I find the minumum/maximum acceptable slope?
  • · Replies 5 ·
Replies
5
Views
3K
I need an idea for a science experiment
  • · Replies 1 ·
Replies
1
Views
3K
Felix Baumgartner high altitude skydive
  • · Replies 8 ·
Replies
8
Views
3K
High School Confused about using rounding off numbers in physics
  • · Replies 8 ·
Replies
8
Views
7K
Undergrad I'm having trouble understanding exactly what energy is.
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad How to distinguish left vs right
  • · Replies 3 ·
Replies
3
Views
3K
  • Poll Poll
The greatest greatest physicist poll poll.
  • · Replies 6 ·
Replies
6
Views
3K
High School I have just started into to physics I am no good at math what so
  • · Replies 1 ·
Replies
1
Views
2K
Who according to you is the greatest physicist of all times?
  • · Replies 3 ·
Replies
3
Views
3K
Choose Your Physics-Inspired DJ Name!
  • · Replies 18 ·
Replies
18
Views
5K
Graduate Are physicists more sensory than laypeople?
  • · Replies 14 ·
Replies
14
Views
3K
Undergrad Is division by zero a logical error in this proof?
  • · Replies 5 ·
Replies
5
Views
2K
Breccia meteorite smashed into summer house in the middle of Oslo
  • · Replies 14 ·
Replies
14
Views
3K
Undergrad A perpetual machine model that sets me thinking
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Detection of Earth's radio broadcasts at interstellar distances
  • · Replies 3 ·
Replies
3
Views
3K
High School Accuracy, Precision and Sensitivity for measurement instruments
  • · Replies 7 ·
Replies
7
Views
33K
Undergrad How does Nyquist's theory apply to digital recording of opera music?
  • · Replies 35 ·
2
Replies
35
Views
10K
Graduate Modeling a Pan Flute: Questions on Bore Diameter & Length for Perfect Pitch
  • · Replies 10 ·
Replies
10
Views
8K
Discovering Astrophysics: A Freshman's Perspective on Michio Kaku
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Statements about TOEs, Theory of TOEs
  • · Replies 23 ·
Replies
23
Views
4K
Undergrad How to mass an object that is less dense than air?
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Coronal Mass Ejection = Buzzing Coaxial Outlet?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How Does a Clock Measure Time?
  • · Replies 57 ·
2
Replies
57
Views
16K