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High School Why Does the Sun Look Yellow When Paper Looks White?

  • Tyger
  • · Replies 8 ·
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8

Undergrad So why do different media slow light down?

  • Tyro
  • · Replies 2 ·
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2

Undergrad Calculating Spectrum Width of White Light on a Diffraction Grating

  • Velocity
  • · Replies 1 ·
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1

Graduate How to diffract a bowling ball

  • Ivan Seeking
  • · Replies 18 ·
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18

Graduate How to Exceed The Velocity Of Light 2

  • computergeek6933
  • · Replies 1 ·
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1

Undergrad What Unique Behaviour of Light Does the Wave Model Explain?

  • Velocity
  • · Replies 2 ·
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2

Graduate Seeing outside of the visable spectrum

  • memorygap
  • · Replies 3 ·
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3

Graduate Transmission coefficient for particle tunneling from higher to lower potential

  • jby
  • · Replies 2 ·
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2

High School Sunlight hit my cd and a rainbow was produced

  • Selnex
  • · Replies 2 ·
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2

Undergrad How can light travel as a wave through a vacuum?

  • Ploegman
  • · Replies 8 ·
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8

High School What is meant by order of magnitude and the O symbol in mathematics?

  • Saint
  • · Replies 3 ·
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3

Graduate Are photons particles, waves, or something traveling through spacetime?

  • shintashi
  • · Replies 20 ·
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20

Graduate Spontaneous Energy Loss in Light

  • Les Sleeth
  • · Replies 65 ·
3
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65

High School What are the components of light?

  • drme
  • · Replies 1 ·
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1

Undergrad Can you change the wavelength of monochromatic light without the Doppler effect?

  • check
  • · Replies 15 ·
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15

High School Refraction number/density of Polyethylene?

  • timxtreme
  • · Replies 1 ·
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1

Undergrad Why does light slow down in Bose-Einstein condensates?

  • wolram
  • · Replies 9 ·
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9

Crystals that modify the frequency of light.

  • Integral
  • · Replies 11 ·
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11

Undergrad Einstein proved wrong about blue sky

  • marcus
  • · Replies 17 ·
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17

Graduate Our past lightcone is pear-shaped

  • marcus
  • · Replies 5 ·
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5

Graduate How To Exceed The Velocity Of Light 2

  • agravity
  • · Replies 9 ·
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9

Undergrad Why doesn't light orbit massive gravitational bodies?

  • Raavin
  • · Replies 20 ·
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20

Graduate Don't you know that photons are MATTER?

  • Royce
  • · Replies 13 ·
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13

Really looking for new light data

  • automaton
  • · Replies 6 ·
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6

Undergrad Reflections on RF - How did it happen?

  • Ivan Seeking
  • · Replies 4 ·
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4

Undergrad How do photons carry information in interstellar signals?

  • Victor
  • · Replies 3 ·
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3

Graduate Dark energy and the speed of light

  • Ivan Seeking
  • · Replies 21 ·
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21

High School Can light travel through a vacuum?

  • jaypee
  • · Replies 7 ·
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7

Graduate Gravity faster light?/new ideas light

  • automaton
  • · Replies 2 ·
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2

High School Single and Dual Slit refraction

  • PhysicsMan_2003
  • · Replies 2 ·
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2

Graduate Why does a 45° polarizer transmit light from a vertical polarizer?

  • Castaway
  • · Replies 4 ·
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4

Undergrad Photon structure for interstellar light analysis

  • Victor
  • · Replies 5 ·
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5

Light can break its own speed limit, researchers say

  • STAii
  • · Replies 18 ·
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18

Graduate What does the world appear like to an observer traveling at light speed?

  • Koveras00
  • · Replies 5 ·
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5

Graduate Anti gravity travels faster than light.

  • chosenone
  • · Replies 23 ·
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23

Graduate What Can We Learn from Photons and Bosons?

  • elas
  • · Replies 17 ·
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17

Graduate The Speed of Light changing through the Space

  • Daminc
  • · Replies 1 ·
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1

High School How Does a Linear Accelerator Work and What's the Cost of a DIY Laser?

  • rspandher
  • · Replies 1 ·
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1

Undergrad Understanding Interference Fringes in a Michelson Interferometer

  • rspandher
  • · Replies 1 ·
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1

Undergrad Why does light speed up leaving a dense medium without an external force?

  • blacksheepdork
  • · Replies 32 ·
2
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32

Graduate Could rapid true polar wander explain the frozen mammoth extinction?

  • Andre
  • · Replies 20 ·
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20

Graduate Photons repelled out of hole,not pulled in.

  • chosenone
  • · Replies 2 ·
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2

Graduate Catch the neutrino speed exceed light

  • hey.like
  • · Replies 1 ·
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1

Graduate How Much Energy is Needed to Create a Light-Warping Cloak?

  • physicsismylife
  • · Replies 15 ·
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15

Graduate Classical Light Theory: E = kA²f?

  • Hydr0matic
  • · Replies 4 ·
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4

Graduate Photon teleportation and future macroscopic teleportation

  • Jack
  • · Replies 6 ·
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6

High School Physics Speed of Light and car Question

  • 22-16
  • · Replies 14 ·
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14

Graduate Can the universe expand faster than light?

  • Mentat
  • · Replies 12 ·
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12

Graduate Evaluating an alleged alien antigravity physics message

  • Yaveh
  • · Replies 6 ·
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6

High School When you hold a certain piece of glass up to the light

  • bukie33613
  • · Replies 2 ·
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2

Graduate Reinventing Dynamics: The New Principle of Gravitation and Light

  • dock
  • · Replies 11 ·
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11

Undergrad Why does light travel at different speeds in different mediums?

  • Selnex
  • · Replies 20 ·
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20

High School What Causes the Colorful Patterns in Soap Bubbles?

  • Hydr0matic
  • · Replies 7 ·
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7

Graduate How might superluminal communication work?

  • Loren Booda
  • · Replies 22 ·
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22

Graduate How to determine the direction of propgation of a plane wave?

  • Rex_chaos
  • · Replies 9 ·
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9

Undergrad Why don't infinite light beams interfere when they cross?

  • roeighty
  • · Replies 17 ·
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17

Undergrad Multiheaded monster Force, acceleration and the speed of light.

  • s_shrum
  • · Replies 12 ·
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12