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.
Who Really Invented Television: Zworykin, Farnsworth, Tihanyi, or a Combination?
  • · Replies 3 ·
Replies
3
Views
5K
Thought Experiment: Earth Becomes Incredibly Massive
  • · Replies 9 ·
Replies
9
Views
3K
Why an antenna cannot receive analogue baseband signal of 0-4000Hz?
  • · Replies 5 ·
Replies
5
Views
4K
Calculate Mass From Weight: Easy Conversion Guide
  • · Replies 22 ·
Replies
22
Views
99K
How do opposing but equal forces affect an object and do they cancel out?
  • · Replies 4 ·
Replies
4
Views
9K
Vector addition using graphical method
  • · Replies 1 ·
Replies
1
Views
15K
How would i go about doing this.
  • · Replies 1 ·
Replies
1
Views
2K
Can my cup hold more tea on the moon?
  • · Replies 2 ·
Replies
2
Views
2K
Gravitational Attraction of Motionless Masses
  • · Replies 33 ·
2
Replies
33
Views
5K
Punching Holes in Trees: A Faster Method for Horticulturists | Woodman's Query
  • · Replies 9 ·
Replies
9
Views
4K
If a comet kicks the moon out of its orbit and away from earth
  • · Replies 4 ·
Replies
4
Views
3K
Can Anti-Gravity Globes Work Upside Down?
  • · Replies 11 ·
Replies
11
Views
5K
Studying Physics: Memorizing Formulas
  • · Replies 2 ·
Replies
2
Views
2K
Are Current, Potential, and Potential Difference Scalar or Vector Quantities?
  • · Replies 24 ·
Replies
24
Views
32K
Why do plastic containers deform in hot temperatures?
  • · Replies 3 ·
Replies
3
Views
14K
Black vs white vs red with relation to UV rays
  • · Replies 3 ·
Replies
3
Views
23K
Do black holes repel the weak force?
  • · Replies 1 ·
Replies
1
Views
3K
What is BP Invigorate and What Makes It Different?
  • · Replies 1 ·
Replies
1
Views
11K
Why Are Lost Aircraft Difficult to Track Despite Satellite Technology?
  • · Replies 7 ·
Replies
7
Views
3K
Understanding the Speed of Force: Instantaneous vs. Speed of Light
  • · Replies 57 ·
2
Replies
57
Views
12K
Properties of Waves and how they relate to Music
  • · Replies 6 ·
Replies
6
Views
5K
Needle which is almost touching a pane of glass
  • · Replies 12 ·
Replies
12
Views
3K
Is the Resultant of Combining Unit Step Functions Still a Unit Step Function?
  • · Replies 4 ·
Replies
4
Views
8K
I trying to find mass with these varbiales.
  • · Replies 4 ·
Replies
4
Views
2K
Kirth, Kerth, Kurth (SP?) Phase?
  • · Replies 1 ·
Replies
1
Views
1K
What are Some Units I'm Studying in Grade XI Physics?
  • · Replies 2 ·
Replies
2
Views
2K
How to Block a Wireless Router Signal: Help Needed
  • · Replies 2 ·
Replies
2
Views
4K
Is Vacuum Really Just Empty Spacetime?
  • · Replies 13 ·
Replies
13
Views
8K
Noisy Vacuum Cleaners: Is There Such a Thing as a Silent One?
  • · Replies 3 ·
Replies
3
Views
12K
How Was a Single Molecule of Pentacene Pictured?
  • · Replies 1 ·
Replies
1
Views
2K
How do GM tubes detect charged particles in a hadron collider?
  • · Replies 2 ·
Replies
2
Views
3K
Gain Formulas in Physics with the Correct Computation | F=ma, m=m0√(1-v²/c²)
  • · Replies 7 ·
Replies
7
Views
2K
Help finding topic for Independent Research
  • · Replies 1 ·
Replies
1
Views
3K
What range of frequencies can be generated by blood flow
  • · Replies 3 ·
Replies
3
Views
3K
Worst Electrical Conductor Metal: What to Know?
  • · Replies 24 ·
Replies
24
Views
28K
How is boiling different from evaporation?
  • · Replies 14 ·
Replies
14
Views
9K
Ideal Gas Assumptions: Can it Turn into a Liquid?
  • · Replies 3 ·
Replies
3
Views
7K
Rutherford's gold foil experiment
  • · Replies 10 ·
Replies
10
Views
14K
HELP: How would you measure the force of an expolsion?
  • · Replies 7 ·
Replies
7
Views
11K
Is there a type of liquid that is less dense than a type of gas?
  • · Replies 5 ·
Replies
5
Views
18K
Real Gas vs Ideal Gas: Compressibility Ratio
  • · Replies 1 ·
Replies
1
Views
4K
What is the Impact of an Apple Falling on My Head?
  • · Replies 17 ·
Replies
17
Views
3K
Understanding Real and Virtual Images: Definition and Doubts Explored
  • · Replies 2 ·
Replies
2
Views
12K
Why can't we always add quantities with the same dimensions?
  • · Replies 2 ·
Replies
2
Views
15K
Calculating Buoyancy Rate of Rise for a Ship
  • · Replies 1 ·
Replies
1
Views
5K
Solid angle or steradian for measuring
  • · Replies 8 ·
Replies
8
Views
4K
What Are the Best Grade 11 Physics Review Sites?
  • · Replies 1 ·
Replies
1
Views
2K
Formula Manipulation Basics: A Beginner's Guide
  • · Replies 3 ·
Replies
3
Views
3K
Ok where does the energy come from?
  • · Replies 5 ·
Replies
5
Views
3K
Fundamentals of Physics- Gold Standard in another language?
  • · Replies 1 ·
Replies
1
Views
2K
A question of the Intercompatibility of the Gas Laws.
  • · Replies 1 ·
Replies
1
Views
2K
Can we predict the color that will be perceived by the eye?
  • · Replies 18 ·
Replies
18
Views
3K
Bicycling up hill, high gear or low gear
  • · Replies 17 ·
Replies
17
Views
75K
Wider tire giving better traction debate
  • · Replies 13 ·
Replies
13
Views
86K
Understanding Guass and the Strength of Magnets: A Simple Explanation
  • · Replies 2 ·
Replies
2
Views
3K
Formation of Quarks: What's Nothing Made Of?
  • · Replies 14 ·
Replies
14
Views
3K
Calculating Wave Velocity in a Stadium
  • · Replies 1 ·
Replies
1
Views
2K
Does anybody know who first derived this equation?
  • · Replies 1 ·
Replies
1
Views
2K
When will gravity lose its grip?
  • · Replies 24 ·
Replies
24
Views
7K
What Differentiates Crossovers from Phase Transitions in Thermodynamics?
  • · Replies 1 ·
Replies
1
Views
4K
Is Time Travel Discussion Allowed in Physics Forums?
  • · Replies 3 ·
Replies
3
Views
2K
The Physics of Pneumatic Office Chairs and Soap Bottles
  • · Replies 4 ·
Replies
4
Views
10K
What Are the Effects of Shockwaves on Human Safety and Proximity?
  • · Replies 1 ·
Replies
1
Views
2K
Gravitons Observed? University Discovery June: Details & Link
  • · Replies 14 ·
Replies
14
Views
3K
Research for a book - Would it float question
  • · Replies 6 ·
Replies
6
Views
2K
Scientific Notation Anomaly Explained
  • · Replies 5 ·
Replies
5
Views
5K
Does Gravity "Lose" Pulling Power?
  • · Replies 2 ·
Replies
2
Views
2K
Calculating the drop of a fleeing deer
  • · Replies 20 ·
Replies
20
Views
3K
Formula Database - Free Physics & Math Formulas Online
  • · Replies 7 ·
Replies
7
Views
6K
Formation of Vortices: Reasons & Physical Phenomena
  • · Replies 5 ·
Replies
5
Views
19K
Building a Cloud Chamber: Tips and Tricks
  • · Replies 13 ·
Replies
13
Views
5K
The Mystery of Dry Ice Smoke: Is it CO2?
  • · Replies 7 ·
Replies
7
Views
4K
Perfect crystal - is there such thing?
  • · Replies 14 ·
Replies
14
Views
15K
Plotting Hyperbolic Curve from a Moving Train's Bullet
  • · Replies 1 ·
Replies
1
Views
3K
Why can't light escape a black hole?
  • · Replies 18 ·
Replies
18
Views
4K
Floating in Space: Can Humans Create Their Own Orbits?
  • · Replies 2 ·
Replies
2
Views
2K
MHD Energy Equation: Comparing Formats
  • · Replies 2 ·
Replies
2
Views
2K
E Field Propagation & Metal Bars
  • · Replies 1 ·
Replies
1
Views
3K
Research F1 Physics: Basics & Beyond
  • · Replies 8 ·
Replies
8
Views
3K
Doppler Effect: How Does the Ambulance Siren Vary?
  • · Replies 37 ·
2
Replies
37
Views
8K
General question about floating/sinking objects
  • · Replies 2 ·
Replies
2
Views
5K
Black holes and conversation of energy
  • · Replies 4 ·
Replies
4
Views
2K
What is the difference between laminar and turbulent flow?
  • · Replies 6 ·
Replies
6
Views
6K
Calculating Force of Gravity with Fg = (G m1 Me)/Re^2
  • · Replies 2 ·
Replies
2
Views
2K
Can someone explain the use of conventional current and voltage in circuits?
  • · Replies 25 ·
Replies
25
Views
5K
Extrapolating pos., vel. given initial pos., vel. and constant acc.
  • · Replies 23 ·
Replies
23
Views
8K
Are Physics Formulas Always Approximations?
  • · Replies 10 ·
Replies
10
Views
6K
What is the underlying principle behind buoyancy?
  • · Replies 11 ·
Replies
11
Views
8K
Not sure if this belongs here, but if someone would be kind enough
  • · Replies 1 ·
Replies
1
Views
2K
What is the significance of squaring speed in E=mc²?
  • · Replies 19 ·
Replies
19
Views
5K
Packing Fraction of Cylinders - Answers to Your Questions
  • · Replies 3 ·
Replies
3
Views
11K
Can a Single Wall Support a Loft Bed and Its Occupants?
  • · Replies 11 ·
Replies
11
Views
6K
Question on how to calculate bouancy force
  • · Replies 8 ·
Replies
8
Views
14K
Forces Question (Object on Ramp)
  • · Replies 2 ·
Replies
2
Views
4K
Photodiode's legs to both the input for a differential amplifier
  • · Replies 2 ·
Replies
2
Views
3K
Testing Bungee Cords & Surgical Tubing: Does F=-kx Apply?
  • · Replies 14 ·
Replies
14
Views
7K
Glue a thin sheet of copper to a cork?
  • · Replies 5 ·
Replies
5
Views
3K
Calculating Resultant RPM from Force Applied to Gear/Wheel
  • · Replies 6 ·
Replies
6
Views
16K
A paper I heard about last year about gravity.
  • · Replies 3 ·
Replies
3
Views
2K
What is delta-correlated Gaussian noise?
  • · Replies 1 ·
Replies
1
Views
10K