Insights Blog
-- Browse All Articles --
Physics Articles
Physics Tutorials
Physics Guides
Physics FAQ
Math Articles
Math Tutorials
Math Guides
Math FAQ
Education Articles
Education Guides
Bio/Chem Articles
Technology Guides
Computer Science Tutorials
Forums
Trending
Log in
Register
What's new
Menu
Log in
Register
Navigation
More options
Style variation
System
Light
Dark
Contact us
Close Menu
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Forums
Physics
Classical Physics
Optics Forum
Post thread
Prev
1
…
Go to page
Go
16
17
18
19
20
…
Go to page
Go
64
Next
First
Prev
18 of 64
Go to page
Go
Next
Last
Filters
Show only:
Loading…
Title
(No prefix)
(No prefix)
B
I
A
(No prefix)
B
I
A
What is the name of this equation? Seems to be from Optics
Jun 15, 2015
Replies
25
Views
3K
Laser Polarization: Learn Why Polarizers are Used
Jun 15, 2015
Replies
1
Views
1K
Speed of Light Limit: Factors & Vacuum Conditions
Jun 14, 2015
Replies
20
Views
3K
Arbitrarily changing EM fields and their photons
Jun 14, 2015
Replies
9
Views
1K
Understanding the Impact of Photon Emissions on the Sun's Gravity
Jun 13, 2015
Replies
1
Views
1K
How do you explain this? (Optics)
Jun 13, 2015
Replies
1
Views
1K
What is an optical straight line (photon path)?
Jun 13, 2015
Replies
13
Views
2K
About polarization and polarizer
Jun 12, 2015
Replies
4
Views
2K
Is a Photon Really Its Own Antiparticle?
Jun 12, 2015
Replies
9
Views
4K
Does light curve toward ordered
Jun 12, 2015
Replies
5
Views
1K
Do Photons Have Mass? Physics Forums FAQ
Jun 12, 2015
Replies
1
Views
1K
Sonoluminescence using microwaves?
Jun 11, 2015
Replies
1
Views
1K
Optics problem --- absorbtion index
Jun 11, 2015
Replies
4
Views
2K
Speed of light depending on gravitational constant?
Jun 11, 2015
Replies
4
Views
2K
Is there a good classical description of a photon?
Jun 10, 2015
Replies
8
Views
2K
Why is visible light not harmful?
Jun 10, 2015
Replies
10
Views
9K
Is Light a Particle or a Wave According to Planck's Theory?
Jun 8, 2015
Replies
3
Views
1K
Aperture stop for an optical system
Jun 6, 2015
Replies
1
Views
1K
Photons striking a camera sensor?
Jun 6, 2015
Replies
2
Views
3K
Photon Standing Wave Phenomenon
Jun 6, 2015
Replies
11
Views
3K
Simplest lens set up to reveal optical spectra of an object
Jun 5, 2015
Replies
1
Views
1K
A question about discreteness of light
Jun 4, 2015
Replies
2
Views
1K
Photons and transparency....who's right?
Jun 3, 2015
Replies
5
Views
2K
Is there a medium in which sound travels faster than light?
Jun 3, 2015
Replies
30
Views
10K
Why do different objects have different colors?
Jun 3, 2015
Replies
6
Views
2K
How do two light beams combine at a shear angle?
Jun 2, 2015
Replies
9
Views
2K
Does light bend due to gravitational tides?
Jun 1, 2015
Replies
3
Views
1K
How do speed laser guns differentiate between two cars?
Jun 1, 2015
Replies
4
Views
1K
Is comunication faster that light possible: yes( maybe )
May 31, 2015
Replies
2
Views
1K
Speed of sound and light through different solutions
May 31, 2015
Replies
1
Views
1K
Mass of Photon: Einstein's Energy-Mass Equivalence
May 31, 2015
Replies
10
Views
2K
Dichroic mirrors that reflect two wavelengths
May 30, 2015
Replies
3
Views
2K
Would synthesis of Acetylcholine make photons?
May 29, 2015
Replies
1
Views
1K
I have a quick question about Photons
May 29, 2015
Replies
8
Views
1K
Conservation of momentum in compton scattering
May 28, 2015
Replies
4
Views
2K
Precession of an air rifle pellet in flight
May 28, 2015
Replies
3
Views
4K
An Observation And A Question -- Why does metal arc in a microwave oven?
May 26, 2015
Replies
2
Views
2K
Is Light exclusively an ionization process?
May 26, 2015
Replies
3
Views
1K
What happens when monochromatic light travels for eternity?
May 26, 2015
Replies
5
Views
1K
Gravitational Force and Light: Is There a Connection?
May 24, 2015
Replies
2
Views
1K
Reflection of Electromagnetic Radiation in Dense Materials
May 24, 2015
Replies
14
Views
2K
Group, phase and signal velocity of light
May 23, 2015
Replies
2
Views
2K
Can a photon of light become a radio wave?
May 22, 2015
Replies
5
Views
2K
Do virtual photons explain this phenomenon?
May 21, 2015
Replies
19
Views
2K
Computer Simulation of Fresnel Diffraction
May 21, 2015
Replies
3
Views
2K
Why does light slow down in a medium?
May 19, 2015
Replies
45
Views
50K
Very Powerful Telescope to see 10 light years away at high resolution....
May 18, 2015
Replies
1
Views
1K
Slight rearrangement of Newton's Law
May 18, 2015
Replies
2
Views
1K
Sound Interference on a speaker
May 15, 2015
Replies
2
Views
2K
How Do Longer UV Wavelengths Penetrate Deeper into Photopolymers?
May 15, 2015
Replies
1
Views
3K
Understanding the Light Pattern of a Laser Through a Slit
May 14, 2015
Replies
4
Views
1K
Crossed polarizers and F-Stop relationship
May 14, 2015
Replies
1
Views
2K
Optics - Imaging from focal plane
May 13, 2015
Replies
1
Views
1K
Odd Blinding blue light blinded me and 2 others - What is it
May 13, 2015
Replies
12
Views
2K
Powell Lens Equations for Gaussian to Flat Top Beam Conversion
May 13, 2015
Replies
5
Views
8K
Is Bragg Diffraction Depicted Accurately in Common Diagrams?
May 9, 2015
Replies
3
Views
1K
How to Optimize Sound Reflection with Multiple Types of Reflectors?
May 8, 2015
Replies
20
Views
6K
Photon Energy Stimulation of Atoms
May 8, 2015
Replies
5
Views
1K
Why Does the Index of Refraction Vary by Light Color in Different Mediums?
May 6, 2015
Replies
2
Views
1K
Please explain to me 'why' light is part defined by velocity
May 6, 2015
Replies
3
Views
1K
Accuracy of an Optical Spectrum Analyzer (OSA)
May 6, 2015
Replies
5
Views
2K
Photon Rocket vs Conventional Propellant Rocket
May 6, 2015
Replies
4
Views
2K
Real World Applications of Optical Cavities: What Can They Be Used For?
May 1, 2015
Replies
8
Views
1K
Bounce light back and forth between mirrors forever?
Apr 30, 2015
Replies
4
Views
3K
Object Distance for Mirrors versus Lenses
Apr 29, 2015
Replies
4
Views
1K
Calculating optical properties of an arbitrary gas?
Apr 29, 2015
Replies
3
Views
1K
What is the relationship between light and time?
Apr 28, 2015
Replies
2
Views
2K
Do parallel mirrors keep accelerating away from each other?
Apr 28, 2015
Replies
9
Views
2K
Diffraction effects in slit experiments
Apr 28, 2015
Replies
1
Views
1K
Lightning vs Hydrogen Fuel for Space Travel
Apr 27, 2015
Replies
9
Views
2K
Light Bending: Why Don't Waves Bend at Normal Incidence?
Apr 27, 2015
Replies
3
Views
1K
Does the speed of light remain constant in an expanding universe?
Apr 26, 2015
Replies
4
Views
2K
Questions about Lock-in detection in optical reflectivity
Apr 25, 2015
Replies
5
Views
2K
Modeling Converging Spherical Waves in Optics
Apr 25, 2015
Replies
3
Views
2K
Approximation in understanding the speed of light
Apr 24, 2015
Replies
6
Views
2K
How Does Changing Wavelength Affect the Central Peak in Single-Slit Diffraction?
Apr 24, 2015
Replies
14
Views
3K
How do water waves and light waves propagate in different directions?
Apr 23, 2015
Replies
2
Views
2K
Wavelength of light in relation to speed
Apr 23, 2015
Replies
11
Views
2K
How to convert the intensity of light of a star
Apr 23, 2015
Replies
3
Views
2K
Regarding Polarizer and viewing sun
Apr 22, 2015
Replies
3
Views
2K
Sunlight Intensity Concentrator - Idea to boost solar energy
Apr 21, 2015
Replies
24
Views
3K
Why does light refract toward the normal
Apr 17, 2015
Replies
10
Views
3K
Constructive interference and energy conservation
Apr 17, 2015
Replies
10
Views
3K
How shape of pattern affects the behaviour of light
Apr 14, 2015
Replies
3
Views
1K
Ray Tracing - Optics - Bend light with circular lenses
Apr 13, 2015
Replies
3
Views
2K
Confusion regarding Interference of light
Apr 13, 2015
Replies
6
Views
1K
Light Refraction on the Surface of a Sphere
Apr 13, 2015
Replies
3
Views
3K
Red/Blue laser intencity Youngs double slit experiment?
Apr 11, 2015
Replies
1
Views
2K
Laser Field Explained - Understand What It Is
Apr 11, 2015
Replies
6
Views
3K
Circular polarization and Read3D glasses
Apr 11, 2015
Replies
2
Views
1K
Optical Adder Using 2 Lasers & Selectable Intensities
Apr 9, 2015
Replies
5
Views
2K
Does light reach every single part of space?
Apr 9, 2015
Replies
23
Views
2K
(laser ablation) what is difference between plume and plasma?
Apr 9, 2015
Replies
1
Views
3K
Low tech telecommunications (light)
Apr 8, 2015
Replies
24
Views
2K
How Does Light-Matter Interaction Challenge Classical and Quantum Views?
Apr 8, 2015
Replies
7
Views
2K
Diffraction grating with high intensity in first order
Apr 8, 2015
Replies
1
Views
1K
Why is a point light source required for Schlieren Photograph?
Apr 7, 2015
Replies
3
Views
4K
Optics cornu spiral and diffraction
Apr 6, 2015
Replies
1
Views
4K
How does light move in a vacuum?
Apr 6, 2015
Replies
2
Views
1K
Is polarised light a result of destructive interference?
Apr 6, 2015
Replies
8
Views
2K
Prev
1
…
Go to page
Go
16
17
18
19
20
…
Go to page
Go
64
Next
First
Prev
18 of 64
Go to page
Go
Next
Last
Forums
Physics
Classical Physics
Hot Threads
U
I
Explain Bernoulli at the molecular level?
Started by
user079622
May 5, 2025
Replies: 251
Classical Physics
B
Simple mass/scale puzzle
Started by
DaveC426913
Jul 22, 2025
Replies: 206
Classical Physics
I
Solving a momentum problem where masses change after the collision
Started by
rdemyan
Apr 9, 2025
Replies: 35
Classical Physics
U
I
Topic about physics axioms, theory, laws etc..
Started by
user079622
Jul 18, 2025
Replies: 93
Classical Physics
Q
B
Purity of Interference Pattern in a Classical Double-slit Experiment
Started by
Quarker
Apr 15, 2025
Replies: 23
Optics
Hot Threads
Simple mass/scale puzzle
Started by
DaveC426913
Jul 22, 2025
Replies: 206
Classical Physics
Geometry problem of interest with a 3-4-5 triangle
Started by
Charles Link
Jul 21, 2025
Replies: 59
General Math
Looking for a list of astronomy collaborations
Started by
ohwilleke
Jul 10, 2025
Replies: 2
Astronomy and Astrophysics
Rare case of pneumonic plague in US - Arizona
Started by
Astronuc
Jul 13, 2025
Replies: 7
Biology and Medical
On more exercise to burn calories
Started by
.Scott
Jul 15, 2025
Replies: 3
Biology and Medical
Not a sundial - a shadow dial is what I want
Started by
DaveC426913
Jul 12, 2025
Replies: 6
Earth Sciences
Recent Insights
Insights
Why Entangled Photon-Polarization Qubits Violate Bell’s Inequality
Started by
Greg Bernhardt
Monday, 8:03 AM
Replies: 26
Quantum Interpretations and Foundations
Insights
Quantum Entanglement is a Kinematic Fact, not a Dynamical Effect
Started by
Greg Bernhardt
Sep 2, 2025
Replies: 11
Quantum Physics
Insights
What Exactly is Dirac’s Delta Function? - Insight
Started by
Greg Bernhardt
Sep 2, 2025
Replies: 3
General Math
Insights
Relativator (Circular Slide-Rule): Simulated with Desmos - Insight
Started by
Greg Bernhardt
Sep 2, 2025
Replies: 1
Special and General Relativity
P
Insights
Fixing Things Which Can Go Wrong With Complex Numbers
Started by
PAllen
Jul 20, 2025
Replies: 7
General Math
F
Insights
Fermat's Last Theorem
Started by
fresh_42
May 21, 2025
Replies: 105
General Math
Back
Top