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Graduate What Happens to Headlights on a Spaceship Traveling at Light Speed?

Feb 18, 2004 · Replies 12 · Mar 31, 2004

Replies: 12

Views: 4K

High School Infared light - lenses and ink

Mar 28, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 5K

Graduate Do sound and light have anything in common?

Mar 29, 2004 · Replies 6 · Mar 30, 2004

Replies: 6

Views: 10K

Undergrad Energy = mass * c^2 where c=speed of light

Mar 25, 2004 · Replies 32 · Mar 30, 2004

2

Replies: 32

Views: 5K

Undergrad Diffraction limit on resolution on camera lens

Mar 25, 2004 · Replies 7 · Mar 29, 2004

Replies: 7

Views: 9K

Graduate Redshift Mechanisms and Supernova Lightcurves

Mar 3, 2004 · Replies 9 · Mar 29, 2004

Replies: 9

Views: 3K

High School Effect of Partial Covering on Lenses and Mirrors

Mar 25, 2004 · Replies 6 · Mar 27, 2004

Replies: 6

Views: 8K

High School Where can I find resources to grasp lens reflections?

Mar 25, 2004 · Replies 2 · Mar 25, 2004

Replies: 2

Views: 2K

High School Minimal Interference from Buildings and Houses on Broadcast Reception

Mar 25, 2004 · Replies 1 · Mar 25, 2004

Replies: 1

Views: 3K

Undergrad Diffraction grating of white light

Mar 23, 2004 · Replies 2 · Mar 25, 2004

Replies: 2

Views: 16K

Undergrad How do microwave ovens ACTUALLY work?

Mar 21, 2004 · Replies 3 · Mar 24, 2004

Replies: 3

Views: 30K

Undergrad How Far Can a Photon Travel in Our Atmosphere?

Mar 23, 2004 · Replies 5 · Mar 23, 2004

Replies: 5

Views: 11K

Undergrad Calculating the Acceleration of a Golf Ball Flight

Mar 17, 2004 · Replies 43 · Mar 22, 2004

2

Replies: 43

Views: 15K

Graduate Laser in underwater lidar application?

Mar 18, 2004 · Replies 3 · Mar 22, 2004

Replies: 3

Views: 2K

Laser Theory Tutorials: Find an Excellent Site

Feb 29, 2004 · Replies 2 · Mar 22, 2004

Replies: 2

Views: 6K

Graduate Phase shift in the Michelson-Morley experiment

Mar 10, 2004 · Replies 18 · Mar 21, 2004

Replies: 18

Views: 7K

High School Light Refraction: How it Colors Our Sky

Mar 19, 2004 · Replies 3 · Mar 20, 2004

Replies: 3

Views: 3K

Undergrad Can Bees Fly Like Planes? Understanding the Physics of Their Flight Mechanics

Feb 26, 2004 · Replies 9 · Mar 19, 2004

Replies: 9

Views: 3K

Undergrad Crest and Trough of a light wave

Mar 19, 2004 · Replies 3 · Mar 19, 2004

Replies: 3

Views: 9K

Graduate Is My Understanding of Underwater Vision Flawed?

Mar 14, 2004 · Replies 29 · Mar 18, 2004

Replies: 29

Views: 5K

Graduate Donut approaching the speed of light

Mar 17, 2004 · Replies 1 · Mar 17, 2004

Replies: 1

Views: 3K

Graduate Light Perception: Exploring Einstein's Velocity Addition Formula

Mar 16, 2004 · Replies 1 · Mar 16, 2004

Replies: 1

Views: 4K

High School Understanding the Compton Effect: How Light Reflects on a Mirror Explained

Mar 13, 2004 · Replies 8 · Mar 13, 2004

Replies: 8

Views: 3K

High School Seeing the Past: Can Light Traveling in Space be Observed?

Mar 12, 2004 · Replies 6 · Mar 13, 2004

Replies: 6

Views: 3K

Graduate What Is the Connection Between Photons and Gravity?

Mar 2, 2004 · Replies 20 · Mar 9, 2004

Replies: 20

Views: 4K

High School Help with Physics of Airplane Flight - Glider Planes, Lift/Drag/Air Resistance

Mar 6, 2004 · Replies 2 · Mar 6, 2004

Replies: 2

Views: 3K

Graduate Uncovering the Wave-Particle Duality of Light: A Comprehensive Theory Explained

Feb 3, 2004 · Replies 26 · Mar 6, 2004

Replies: 26

Views: 4K

High School What has both magnitude and direction?

Oct 24, 2003 · Replies 10 · Mar 4, 2004

Replies: 10

Views: 5K

Manufacturing compact pulsed microlaser source in blue/green

Mar 2, 2004 · Replies 1 · Mar 2, 2004

Replies: 1

Views: 2K

Undergrad Would Traveling at the Speed of Light Freeze Time for Everyone Else?

Feb 28, 2004 · Replies 15 · Feb 29, 2004

Replies: 15

Views: 3K

Graduate Even more light, a second kind.

Feb 28, 2004 · Replies 2 · Feb 28, 2004

Replies: 2

Views: 5K

Undergrad Can a Bubble Increase Radio Wave Refraction Effectively?

Feb 25, 2004 · Replies 3 · Feb 26, 2004

Replies: 3

Views: 5K

Graduate Total energy through a Young experiment

Feb 21, 2004 · Replies 2 · Feb 26, 2004

Replies: 2

Views: 3K

Undergrad Why do light rays bend towards the center after exiting a convex lens?

Feb 24, 2004 · Replies 6 · Feb 25, 2004

Replies: 6

Views: 3K

Undergrad Is the U228 Electron Really Faster Than the Speed of Light?

Feb 24, 2004 · Replies 10 · Feb 24, 2004

Replies: 10

Views: 4K

High School Does the human eye have limitations on detecting black surfaces?

Feb 19, 2004 · Replies 8 · Feb 23, 2004

Replies: 8

Views: 10K

Graduate Why Does Light Experience Time Differently Than Objects with Mass?

Feb 21, 2004 · Replies 8 · Feb 23, 2004

Replies: 8

Views: 3K

High School Why is a rainbow curved and how does it appear from an airplane?

Feb 22, 2004 · Replies 3 · Feb 22, 2004

Replies: 3

Views: 11K

Graduate What became of light has slowed theory?

Feb 18, 2004 · Replies 2 · Feb 18, 2004

Replies: 2

Views: 2K

High School What Determines the Color of a Pigment?

Feb 13, 2004 · Replies 4 · Feb 14, 2004

Replies: 4

Views: 3K

Graduate Particle / wave duality on a scale of light frequencies.

Oct 22, 2003 · Replies 194 · Feb 12, 2004

7

Replies: 194

Views: 25K

Undergrad Has a Light Plane sensor been invented?

Feb 10, 2004 · Replies 3 · Feb 10, 2004

Replies: 3

Views: 3K

Undergrad Rotational velocity and the speed of light

Feb 9, 2004 · Replies 13 · Feb 10, 2004

Replies: 13

Views: 9K

Graduate The energy and the faster-than-light motion of the quasar

Feb 9, 2004 · Replies 1 · Feb 9, 2004

Replies: 1

Views: 5K

Is VSL the Key to Interstellar Communication and the Fate of Humanity?

Aug 4, 2003 · Replies 54 · Feb 9, 2004

2

Replies: 54

Views: 9K

Undergrad Eureka! Light as Particle & Wave Unveiled

Feb 6, 2004 · Replies 4 · Feb 9, 2004

Replies: 4

Views: 2K

Undergrad Weight of light and Gravity Speed

Feb 8, 2004 · Replies 3 · Feb 8, 2004

Replies: 3

Views: 5K

Undergrad Understanding the Mass of Light: Wave or Quanta?

Feb 3, 2004 · Replies 53 · Feb 8, 2004

2

Replies: 53

Views: 13K

Undergrad Distance measurement with laser

Feb 6, 2004 · Replies 3 · Feb 6, 2004

Replies: 3

Views: 6K

High School Interference of Light: Perpendicular Beams

Feb 4, 2004 · Replies 4 · Feb 4, 2004

Replies: 4

Views: 3K

Undergrad Unraveling the Length of Photon in Radio Waves

Feb 2, 2004 · Replies 10 · Feb 4, 2004

Replies: 10

Views: 4K

Undergrad Can We Reach the Speed of Light?

Feb 1, 2004 · Replies 11 · Feb 4, 2004

Replies: 11

Views: 3K

Graduate Debunking Simon's Theory of Light: The Contradictions and Flaws Exposed

Feb 2, 2004 · Replies 18 · Feb 4, 2004

Replies: 18

Views: 4K

Undergrad How can you see light that is traveling away from the observer?

Jan 30, 2004 · Replies 42 · Feb 4, 2004

2

Replies: 42

Views: 8K

Undergrad Double start - characteristic frequencies of the light

Feb 2, 2004 · Replies 2 · Feb 2, 2004

Replies: 2

Views: 4K

Undergrad Can You Build a Michelson Interferometer on a Budget?

Feb 1, 2004 · Replies 1 · Feb 2, 2004

Replies: 1

Views: 4K

Undergrad Unlock the Secrets of Light with These Prism Experiments | Step-by-Step Guide

Jan 31, 2004 · Replies 1 · Feb 1, 2004

Replies: 1

Views: 3K

Black and White Mirror / Narrow Band Mirror

Jan 28, 2004 · Replies 2 · Jan 28, 2004

Replies: 2

Views: 12K

Undergrad Answer Light Theory Question: Why Reduced Magnification Underwater?

Jan 28, 2004 · Replies 3 · Jan 28, 2004

Replies: 3

Views: 2K

High School Explain Photons: Definition & Explanation

Jan 27, 2004 · Replies 3 · Jan 28, 2004

Replies: 3

Views: 2K

Undergrad Question about light waves (and speed of)

Jan 28, 2004 · Replies 2 · Jan 28, 2004

Replies: 2

Views: 3K

Undergrad Optics, concerning a thin film

Jan 26, 2004 · Replies 4 · Jan 27, 2004

Replies: 4

Views: 3K

Undergrad What Determines Light Intensity?

Jan 13, 2004 · Replies 27 · Jan 25, 2004

Replies: 27

Views: 110K

High School Mirage, refraction or reflection

Oct 16, 2003 · Replies 23 · Jan 23, 2004

Replies: 23

Views: 34K

Undergrad Understanding the Inverse Square Law for Laser/Coherent Light

Jan 19, 2004 · Replies 6 · Jan 22, 2004

Replies: 6

Views: 4K

High School Build a laser capable of cuting intricate designs out of thin metal

Nov 13, 2003 · Replies 16 · Jan 20, 2004

Replies: 16

Views: 3K

High School Can light be a medium for sound?

Jan 15, 2004 · Replies 7 · Jan 19, 2004

Replies: 7

Views: 3K

Graduate Understanding the Speed of Light Limit - Richard

Jan 9, 2004 · Replies 22 · Jan 16, 2004

Replies: 22

Views: 5K

High School Why Are Plants Green? | Plant & Light

Jan 12, 2004 · Replies 13 · Jan 15, 2004

Replies: 13

Views: 4K

High School Pink in Visible Spectrum: Infrared to Ultra Violet

Jan 14, 2004 · Replies 8 · Jan 14, 2004

Replies: 8

Views: 3K

Graduate Why Can't Massive Objects Travel at the Speed of Light While Massless Ones Can?

Jan 5, 2004 · Replies 3 · Jan 11, 2004

Replies: 3

Views: 3K

High School Why Is Glass Transparent and What Makes It Clear?

Jan 6, 2004 · Replies 9 · Jan 9, 2004

Replies: 9

Views: 13K

High School How would you describe what a photon is?

Jan 9, 2004 · Replies 4 · Jan 9, 2004

Replies: 4

Views: 3K

Undergrad What is the ideal wavelength for propagation in optic fibres?

Jan 5, 2004 · Replies 8 · Jan 7, 2004

Replies: 8

Views: 4K

Undergrad What is Light? Is it a EM wave or a stream of photons?

Nov 15, 2003 · Replies 12 · Jan 7, 2004

Replies: 12

Views: 5K

Graduate Photon Radius: Does Photon Have Energy Boundaries?

Dec 30, 2003 · Replies 5 · Jan 7, 2004

Replies: 5

Views: 9K

Undergrad Challenging a Lidar-Laser Gun Ticket: Is It Accurate?

Aug 11, 2003 · Replies 8 · Jan 6, 2004

Replies: 8

Views: 16K

Graduate Is the Speed of Light Constant? Debunking the Myth of a Fixed Physical Constant

Jan 4, 2004 · Replies 4 · Jan 5, 2004

Replies: 4

Views: 2K

Graduate Unraveling the Mystery: How Does a Photon Experience Time?

Jan 3, 2004 · Replies 3 · Jan 5, 2004

Replies: 3

Views: 6K

Graduate Constant limit c restricts photons to radial observation

Dec 30, 2003 · Replies 11 · Jan 4, 2004

Replies: 11

Views: 3K

High School The speed of sound and The speed of Light

Jan 3, 2004 · Replies 4 · Jan 3, 2004

Replies: 4

Views: 10K

Undergrad Optics Q: Estimating Color in White Light from UV?

Dec 31, 2003 · Replies 5 · Jan 2, 2004

Replies: 5

Views: 3K

Graduate Generating of light/energy from the dissassemblement of molecular bonds

Dec 2, 2003 · Replies 4 · Jan 1, 2004

Replies: 4

Views: 3K

Graduate Can Light Travel Through Dimensions Without Motion?

Dec 24, 2003 · Replies 12 · Jan 1, 2004

Replies: 12

Views: 3K

Undergrad The Speed of Light: A Constant Mystery

Dec 24, 2003 · Replies 20 · Dec 31, 2003

Replies: 20

Views: 4K

Parllel universe have diffrent speed of light

Dec 30, 2003 · Replies 1 · Dec 30, 2003

Replies: 1

Views: 2K

High School Information on mirages and mirages pictures

Dec 29, 2003 · Replies 2 · Dec 30, 2003

Replies: 2

Views: 2K

Undergrad Dispersion Diagrams: Guide to Reading & Creating

Dec 27, 2003 · Replies 1 · Dec 27, 2003

Replies: 1

Views: 6K

Graduate Propagation of Single Photon - Richard's Question

Dec 23, 2003 · Replies 6 · Dec 26, 2003

Replies: 6

Views: 3K

Graduate What about objects already traveling at the speed of light?

Dec 18, 2003 · Replies 6 · Dec 22, 2003

Replies: 6

Views: 5K

Graduate The Impact of Light on Primary Force - Understanding Speed

Dec 14, 2003 · Replies 13 · Dec 21, 2003

Replies: 13

Views: 3K

Graduate How does light get refracted to such a degree on the surface of the Moon?

Dec 18, 2003 · Replies 19 · Dec 21, 2003

Replies: 19

Views: 5K

High School Why are UV photons absorbed by glass?

Dec 18, 2003 · Replies 2 · Dec 18, 2003

Replies: 2

Views: 6K

Undergrad Find the final percentage of light exiting the last polizer

Dec 15, 2003 · Replies 1 · Dec 15, 2003

Replies: 1

Views: 3K

Undergrad Light Waves Explained: Polarization & Interferometers

Dec 11, 2003 · Replies 6 · Dec 15, 2003

Replies: 6

Views: 4K

High School How Many Watts Are Involved in Lightning?

Dec 13, 2003 · Replies 3 · Dec 15, 2003

Replies: 3

Views: 3K

Graduate Is Light Speed Truly Variable in Different Universe Sizes?

Nov 27, 2003 · Replies 15 · Dec 13, 2003

Replies: 15

Views: 3K

Graduate Can Freezing Light Overcome Limitations in Solid Surfaces?

Dec 10, 2003 · Replies 9 · Dec 12, 2003

Replies: 9

Views: 4K

Undergrad How many lumens is required for this?

Dec 9, 2003 · Replies 8 · Dec 12, 2003

Replies: 8

Views: 8K

Undergrad Measuring the wavelength of light using diffraction

Dec 9, 2003 · Replies 1 · Dec 10, 2003

Replies: 1

Views: 7K

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