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Graduate Can a rigid object transmit a signal faster than the speed of light?

Jun 26, 2005 · Replies 5 · Jun 27, 2005

Replies: 5

Views: 5K

High School What materials make the best mirrors?

Jun 20, 2005 · Replies 11 · Jun 26, 2005

Replies: 11

Views: 10K

Graduate What are the Fresnel formulas for magnetic permeability not equal to 1?

Jun 25, 2005 · Replies 2 · Jun 25, 2005

Replies: 2

Views: 3K

The Unseeable: Can They Do It?

Jun 23, 2005 · Replies 2 · Jun 24, 2005

Replies: 2

Views: 2K

Undergrad Speed of light is a universal constant

Jun 18, 2005 · Replies 36 · Jun 22, 2005

2

Replies: 36

Views: 6K

Undergrad Light Transmission Through Window Glass

Jun 20, 2005 · Replies 14 · Jun 21, 2005

Replies: 14

Views: 15K

Can music really be transmitted faster than light?

Jun 15, 2005 · Replies 32 · Jun 21, 2005

2

Replies: 32

Views: 6K

Graduate Understanding the Constant Speed of Light: Debunking Common Misconceptions

Jun 19, 2005 · Replies 6 · Jun 20, 2005

Replies: 6

Views: 3K

High School Refraction : freq remains unchanged

Jun 18, 2005 · Replies 5 · Jun 19, 2005

Replies: 5

Views: 5K

High School What is the difference between real and imaginary images in optics?

Jun 18, 2005 · Replies 2 · Jun 19, 2005

Replies: 2

Views: 15K

Graduate Aperture Effects: Explaining Brightness & Dimming

Jun 14, 2005 · Replies 2 · Jun 14, 2005

Replies: 2

Views: 13K

Undergrad What is the Amplitude and Wavelength of a Real Wave in Nature?

Jun 9, 2005 · Replies 17 · Jun 13, 2005

Replies: 17

Views: 19K

Graduate Rayleigh-scattering and dipole Common characters?

Jun 10, 2005 · Replies 4 · Jun 12, 2005

Replies: 4

Views: 4K

Graduate Diffraction derivation on Wiki - wrong?

Jun 12, 2005 · Replies 1 · Jun 12, 2005

Replies: 1

Views: 3K

High School Find more information on Myopia (nearsightedness)

Jun 10, 2005 · Replies 3 · Jun 11, 2005

Replies: 3

Views: 2K

Graduate X-ray Scattering: Bragg Spacing, D-Spacing, Q & Repeat Distance

Jun 8, 2005 · Replies 2 · Jun 8, 2005

Replies: 2

Views: 2K

Graduate A New look at the intensity of light.

May 22, 2005 · Replies 26 · Jun 7, 2005

Replies: 26

Views: 10K

High School Bend a Laser Beam - Learn How It's Done

Jun 6, 2005 · Replies 6 · Jun 7, 2005

Replies: 6

Views: 12K

Undergrad Thickness between glass plates

Jun 7, 2005 · Replies 2 · Jun 7, 2005

Replies: 2

Views: 2K

High School Virtual mirror on the road on hot days. Why is that?

Jun 5, 2005 · Replies 2 · Jun 6, 2005

Replies: 2

Views: 2K

Graduate Proof : Light Speed isn't Constant

Jun 5, 2005 · Replies 8 · Jun 6, 2005

Replies: 8

Views: 6K

High School Unbelievable Rainbow Phenomenon: 4 Cycles of Color!

Jun 1, 2005 · Replies 3 · Jun 1, 2005

Replies: 3

Views: 3K

High School Understanding Lights Wired in Series: Explaining Basic Electricity

May 24, 2005 · Replies 6 · Jun 1, 2005

Replies: 6

Views: 3K

High School Questions puzzling me about light

May 31, 2005 · Replies 2 · May 31, 2005

Replies: 2

Views: 2K

High School Lasers in Measurements: Learn How to Use Them

May 28, 2005 · Replies 5 · May 29, 2005

Replies: 5

Views: 2K

Graduate The higgs boson=the graviton= the speed of light

May 29, 2005 · Replies 1 · May 29, 2005

Replies: 1

Views: 4K

Graduate How does a harmonic oscillator behave when driven by a periodic force?

May 23, 2005 · Replies 12 · May 28, 2005

Replies: 12

Views: 7K

High School Does Light Have Mass? Answering Your Questions

May 24, 2005 · Replies 11 · May 25, 2005

Replies: 11

Views: 4K

Undergrad Can We See Invisible Spectra Like Birds See UV Light?

May 22, 2005 · Replies 9 · May 23, 2005

Replies: 9

Views: 2K

Undergrad How Do X-Rays Become Visible on Medical Imaging?

May 20, 2005 · Replies 13 · May 23, 2005

Replies: 13

Views: 10K

High School How to determine the refracting index of a medimum?

May 21, 2005 · Replies 6 · May 22, 2005

Replies: 6

Views: 3K

Undergrad Critical Angle: Vacuum vs. Air Refraction

May 21, 2005 · Replies 1 · May 21, 2005

Replies: 1

Views: 3K

Ball Lightning: Eyewitness Accounts and Descriptions

May 18, 2005 · Replies 9 · May 20, 2005

Replies: 9

Views: 3K

Graduate Investigating Beta Particle Backscatter from Foil Materials

May 16, 2005 · Replies 3 · May 16, 2005

Replies: 3

Views: 7K

High School How fast can lightning change direction?

May 8, 2005 · Replies 9 · May 15, 2005

Replies: 9

Views: 5K

Graduate Photon as force carrier particle

May 15, 2005 · Replies 8 · May 15, 2005

Replies: 8

Views: 7K

High School Understanding Optics: Explaining How It Works

May 8, 2005 · Replies 6 · May 14, 2005

Replies: 6

Views: 5K

High School Why Can We Hear Around Corners But Not See Around Them?

May 14, 2005 · Replies 3 · May 14, 2005

Replies: 3

Views: 4K

Undergrad Calc. Spread Wavelength w/ Monochromatic Light Source

May 12, 2005 · Replies 1 · May 12, 2005

Replies: 1

Views: 7K

Undergrad Can Light Speed Be Slowed to 38mph? | Harvard Gazette

May 11, 2005 · Replies 8 · May 12, 2005

Replies: 8

Views: 3K

Undergrad How Does the Wave Nature of Light Impact Modern Technology and Society?

May 7, 2005 · Replies 7 · May 10, 2005

Replies: 7

Views: 7K

High School Why Does a Street Lamp Have a Halo?

May 3, 2005 · Replies 14 · May 10, 2005

Replies: 14

Views: 3K

High School Why is the Spectrum of Light Only 7 Colors?

May 3, 2005 · Replies 16 · May 7, 2005

Replies: 16

Views: 9K

Undergrad How broad is the rainbow spectrum?

May 4, 2005 · Replies 13 · May 7, 2005

Replies: 13

Views: 4K

Graduate Can Man Sustain Lightning Bolts with Extreme Voltage AC?

May 5, 2005 · Replies 1 · May 5, 2005

Replies: 1

Views: 2K

Graduate Speed of light in any man made vehicle

Apr 15, 2005 · Replies 11 · May 3, 2005

Replies: 11

Views: 2K

High School So, to answer the question: Why is the shadow during a lunar eclipse not black?

May 2, 2005 · Replies 5 · May 3, 2005

Replies: 5

Views: 6K

Graduate Destructive Interference of Light

Apr 30, 2005 · Replies 10 · May 2, 2005

Replies: 10

Views: 4K

Graduate Speed of light what if question.

Apr 22, 2005 · Replies 54 · May 2, 2005

2

Replies: 54

Views: 8K

Undergrad Risk of lightning strike on a car.

Apr 29, 2005 · Replies 6 · May 1, 2005

Replies: 6

Views: 13K

Graduate Question about single slit diffraction

Apr 19, 2005 · Replies 35 · May 1, 2005

2

Replies: 35

Views: 14K

Mysterious Street Lamp Phenomenon Revealed

Apr 26, 2005 · Replies 1 · Apr 27, 2005

Replies: 1

Views: 3K

Undergrad Thin Film Interference: Deriving Equation

Apr 26, 2005 · Replies 3 · Apr 26, 2005

Replies: 3

Views: 4K

High School Why Does Film Blur with Basic Box Camera? | Explaining Focus

Apr 19, 2005 · Replies 11 · Apr 26, 2005

Replies: 11

Views: 2K

High School Mirror Color: Do Mirrors Have a Color?

Apr 21, 2005 · Replies 18 · Apr 26, 2005

Replies: 18

Views: 9K

Undergrad Young's Double Slit Experiment: Interference Fringes with Electrons?

Apr 10, 2005 · Replies 16 · Apr 24, 2005

Replies: 16

Views: 5K

High School Wavelength of Light: Frequency & Photons Explained

Apr 24, 2005 · Replies 2 · Apr 24, 2005

Replies: 2

Views: 40K

Undergrad Why Is Light 100% Polarized at Brewster's Angle?

Apr 22, 2005 · Replies 5 · Apr 22, 2005

Replies: 5

Views: 9K

Undergrad Polarized light - QM vs. classical?

Apr 20, 2005 · Replies 7 · Apr 22, 2005

Replies: 7

Views: 3K

Undergrad Unraveling the Mystery of Lightning: Is it AC or DC?

Apr 10, 2005 · Replies 11 · Apr 22, 2005

Replies: 11

Views: 38K

Undergrad How Does Huygens' Wave Theory Explain Blurriness in Pinhole Images?

Apr 21, 2005 · Replies 1 · Apr 21, 2005

Replies: 1

Views: 2K

High School Why Do Refraction and Diffraction Both Involve Bending of Light?

Apr 21, 2005 · Replies 1 · Apr 21, 2005

Replies: 1

Views: 6K

Undergrad How Is X-ray Produced and Analyzed in Physics?

Apr 21, 2005 · Replies 8 · Apr 21, 2005

Replies: 8

Views: 5K

Graduate Why Does Reflected Light Experience a Phase Change?

Apr 20, 2005 · Replies 5 · Apr 21, 2005

Replies: 5

Views: 3K

Undergrad Polarisation of Light: Causes & Effects

Apr 19, 2005 · Replies 3 · Apr 20, 2005

Replies: 3

Views: 4K

Graduate What Happens to Photons in a System of Lenses Designed for Permanent Refraction?

Apr 18, 2005 · Replies 8 · Apr 19, 2005

Replies: 8

Views: 2K

High School How do optical illusions work?

Apr 12, 2005 · Replies 4 · Apr 18, 2005

Replies: 4

Views: 2K

Undergrad The Debate on Light: Particle or Wave?

Jul 20, 2004 · Replies 76 · Apr 18, 2005

3

Replies: 76

Views: 16K

Undergrad Faster-Than-Light Communication: What's Wrong?

Apr 17, 2005 · Replies 17 · Apr 17, 2005

Replies: 17

Views: 3K

Undergrad Finding the Right Category for Photonics Questions

Apr 14, 2005 · Replies 1 · Apr 14, 2005

Replies: 1

Views: 3K

Undergrad Explore the 3D Model of Light - Holostudios.com

Nov 13, 2004 · Replies 11 · Apr 11, 2005

Replies: 11

Views: 4K

Undergrad Thin film iridescence/interference

Apr 11, 2005 · Replies 1 · Apr 11, 2005

Replies: 1

Views: 3K

High School Speed of radio wave is faster than speed of gamma wave, right?

Apr 6, 2005 · Replies 16 · Apr 8, 2005

Replies: 16

Views: 3K

Undergrad Immerse a Light Pipe in Water?

Apr 5, 2005 · Replies 2 · Apr 5, 2005

Replies: 2

Views: 2K

Undergrad Create Artificial Lightning: Tips & Fixes

Apr 2, 2005 · Replies 5 · Apr 5, 2005

Replies: 5

Views: 3K

Undergrad Light going through glass to make a rainbow

Apr 4, 2005 · Replies 4 · Apr 4, 2005

Replies: 4

Views: 6K

Graduate Is there a 'Minimum' Speed of Light?

Dec 18, 2004 · Replies 49 · Apr 4, 2005

2

Replies: 49

Views: 13K

Undergrad Can we consider light as a force ?

Apr 4, 2005 · Replies 2 · Apr 4, 2005

Replies: 2

Views: 2K

High School How Can You Determine the Polarization State of Light?

Mar 31, 2005 · Replies 2 · Apr 3, 2005

Replies: 2

Views: 2K

Undergrad Help with half-silvered mirrors

Apr 3, 2005 · Replies 2 · Apr 3, 2005

Replies: 2

Views: 2K

High School Lenses, diminished and magnified

Apr 2, 2005 · Replies 4 · Apr 3, 2005

Replies: 4

Views: 6K

Undergrad Why is there total internal reflection

Mar 29, 2005 · Replies 4 · Apr 2, 2005

Replies: 4

Views: 5K

Undergrad Chromatic Aberration: Point Convergence of Red & Blue Light?

Apr 2, 2005 · Replies 2 · Apr 2, 2005

Replies: 2

Views: 3K

High School Hertz's Spark: Investigating its Necessity

Mar 28, 2005 · Replies 6 · Mar 28, 2005

Replies: 6

Views: 5K

Graduate What happens if you go faster than light?

Mar 27, 2005 · Replies 22 · Mar 28, 2005

Replies: 22

Views: 15K

Graduate Interference of Light Waves in Time Domain

Jun 29, 2004 · Replies 24 · Mar 27, 2005

Replies: 24

Views: 4K

Undergrad Specular Reflection from a Reflection Diffraction Grating

Mar 21, 2005 · Replies 1 · Mar 24, 2005

Replies: 1

Views: 6K

High School Can u please give me an answer for this?

Mar 22, 2005 · Replies 2 · Mar 22, 2005

Replies: 2

Views: 2K

Graduate What is the relationship between a laser's gain curve and its natural linewidth?

Mar 20, 2005 · Replies 3 · Mar 21, 2005

Replies: 3

Views: 10K

Graduate What is meant by SINGLE LONGITUDINAL MODE in laser?

Jun 4, 2004 · Replies 8 · Mar 20, 2005

Replies: 8

Views: 3K

Undergrad Find Complete Details of Double Slit Experiment Results

Mar 18, 2005 · Replies 5 · Mar 19, 2005

Replies: 5

Views: 3K

Undergrad Best material for a reflector?

Mar 13, 2005 · Replies 5 · Mar 18, 2005

Replies: 5

Views: 16K

Graduate Laser Modes/Free Spectral Range

Mar 15, 2005 · Replies 5 · Mar 17, 2005

Replies: 5

Views: 17K

Graduate Can Photons Experience a Traffic Jam in a Bose-Einstein Condensate?

Mar 16, 2005 · Replies 3 · Mar 16, 2005

Replies: 3

Views: 3K

Undergrad How would light intensity and humidity

Mar 15, 2005 · Replies 2 · Mar 15, 2005

Replies: 2

Views: 2K

Graduate Faster than light in a material medium?

Mar 13, 2005 · Replies 3 · Mar 13, 2005

Replies: 3

Views: 2K

High School What Medium Do Light Waves Use in a Vacuum?

Mar 9, 2005 · Replies 10 · Mar 10, 2005

Replies: 10

Views: 14K

Graduate What is the relativistic mass of photons in perfect fluids?

Mar 3, 2005 · Replies 24 · Mar 10, 2005

Replies: 24

Views: 18K

Undergrad What does light's frequency actually mean?

Mar 7, 2005 · Replies 5 · Mar 9, 2005

Replies: 5

Views: 8K

High School Light Wave Travel: Explained for You

Mar 8, 2005 · Replies 2 · Mar 8, 2005

Replies: 2

Views: 2K

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