Optics Forum

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Is it the Atom or the Electron? Understanding the Photon Emission Process
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Back in time by going faster than light?
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6
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What Is the Refraction Index of Paper?
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3
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“aumic” theory and the propagation of light.
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33
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What Is a Light Year? Understanding the Value of 1 Light Year
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9
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Lightspeed is 0 I will proof that
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41
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Enlarging and Reducing Devices on Xerox Machines - Explained
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3
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What is the meaning of N in wave optics of reflection?
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Optical Fibers-Min. Bend Radius
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2
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Faster-than-light experiments at home?
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30
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Velocity of Light Emission: Lightspeed or More?
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9
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Photons transfer energy to the atoms in the metal plate?
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11
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The photonic theory of everything.
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11
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Intensity of laser beam / Inverse square law
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5
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Can Lights Be Heard at Light Speed? The Surprising Discovery in Galactic Traffic
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14
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I have a theory that might work with LIGHT traveling
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What is the relationship between light and mass?
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13
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How Does General Relativity Redefine Light's Momentum and Force?
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15
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Speed of Light: Has It Always Been Constant?
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Is Gravity Driving the Expansion of the Universe?
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Speed of light a saddlept on a function
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Photons hitting the metal of the bike
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6
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What causes different colors in LASERs?
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19
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Question about the light clock
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19
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The Relationship Between Wavelength & Stop Lights
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7
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Polarized light (Rival conventions)
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3
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Particles traveling faster than light
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8
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Unraveling the Mystery of Photon Masslessness
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7
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Lasers are being used to do eye correction
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12
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Anyone want to explain lightning to a layman?
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8
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Wavelength of Light: What is the Nature of This Phenomenon?
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3
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Can a Pearl Necklace Explain the Wave-Particle Duality of Light?
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6
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Sonoluminescence - The Key To Faster Than Light Travel?
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5
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What distinguishes photons from other particles in terms of mass and speed?
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2
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Can Interferance cause magnification?
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6
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Forged Bosonic System = Photon?
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3
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3K
The Doppler Effect and the Velocity of Light in Einstein's Theory
2
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98
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12K
Joao Maguijo/Faster Than Light
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3
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9K
Measuring The Relative Velocity Of Light
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253
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How do black holes attract light with no mass?
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10
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No postulate of light is violated in Galilean transformation.
2
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74
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What is Light and How Does it Work? Check Out This Website!
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8
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Lightning Mystery: AC DC & Neutral Fields/Currents in Earth
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4
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Speed of light squared got to do with the production of energy
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9
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How the white ray of light changes to a spectrum of colours
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3
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Why Does Light Slow Down & How is it Possible to Stop Light?
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14
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Can We Reach the Speed of Light?
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7
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Can Photons Physically Travel Backwards in Time?
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9
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Photon does not experience time
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6
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Refraction Index: Does Temperature Change It?
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4
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Why Can't Photons Orbit Around Massive Objects?
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21
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4 newb qstns:ageless light,physical change,time,twins
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9
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Sunlight, Mirrors & Lasers: What Happens?
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1
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How Does 3D Laser Imagery Create Realistic Images?
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12
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What happens to a photon after it is detected?
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20
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How much does the photon weighs?
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20
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Absorbing Light: What Determines Reflected vs Absorbed Photons?
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1
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Increasing Laser Power - Can Mirrors Create Infinite Power?
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Photons are made from gravitons
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13
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How can I limit the divergence of my laser using a telescope?
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Heating Ice in Microwaves: How Does It Work?
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What is BEAM WAIST in lasers and where it is located?
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1
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Ridiculous to think that light is the only static
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10
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Can You See Light in a Vacuum with a Flashlight?
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Why speed of light is constant?
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Do Photons Have a Nucleus or Electrons?
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5
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Can air, glass, and water slow down the speed of light?
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Global Dimming, Less Light Reaching Us
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1
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Why Does a Black Object Reflect Light Despite Absorbing All Colours?
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4
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Searching for a graduate program in optics
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1
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Smaller than Photon: FTL Communication Possibility?
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10
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Between two mirrors. Real experiment.
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43
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Can anyone explain how x-ray been produced
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7
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Laser or the torchlight does not bend 90 degrees?
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13
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Need some clarifications about light speed
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29
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Light and Redshift in material?
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1
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Microwaves don t pass thru the door of the microwave oven
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1
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What is meant by SINGLE PULSE in the output of Q-sWITCHED laser
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Photon self-interference interpreted as inside-out dynamic
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1
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I find a way to go faster than light
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1
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Are Laser Guns and Lightsabers Practical Weapons or Just Sci-Fi Fantasy?
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6
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Faster than light-yes -but how?
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5
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Faster than light by a long way
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Light Intensity at Point Sources: Impact on Energy Falloff?
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1
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Predicting Light Bounce: Mirror vs Wall
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What Are Alternative Photon Models and Their Implications?
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Dark energy redshifts cmbr photons
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Whatever happened to the Particle Theory of Light?
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Expansion Greater than Light Speed?
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34
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What RPM Gains Can Be Expected from a Lighter Axle on a Go Kart?
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6
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3K
How Can Photons of the Same Size and Speed Carry Different Energy Levels?
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2
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What is Frictional Amplitude in Laser Cutting?
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1
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Maxwell's Equation: Proving the Speed of Light
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5
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Why is the speed of light constant regardless of perspective?
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8
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Polarizations for a photon in vacuuo
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1
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Convex mirror, and you point a light at it horizontally
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2
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How can we find the focus in a lens
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1
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What is the relative velocity of flight?
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2
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Is the Speed of Light Constant in All Reference Frames?
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46
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Does Light have a Ground State ?
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