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What is the weight-bearing capacity of lightweight aerogel material?
Dec 30, 2009
Replies
8
Views
4K
Can We Light a Match on the Moon?
Dec 29, 2009
Replies
1
Views
2K
Photon Questions: Elasticity, Gravity & Diffraction
Dec 28, 2009
Replies
25
Views
4K
Fresnel Diffraction Simulation Troubleshooting
Dec 22, 2009
Replies
7
Views
3K
Total magnification of microscope
Dec 21, 2009
Replies
5
Views
4K
Contact Lens: How to focus light 1mm away
Dec 20, 2009
Replies
2
Views
3K
How to determine a lens width?
Dec 19, 2009
Replies
5
Views
3K
Why did Newton believe light was a particle?
Dec 19, 2009
Replies
8
Views
7K
Is regular light considered a soliton?
Dec 19, 2009
Replies
1
Views
2K
Understanding the Dual Nature of Light: Particle or Wave?
Dec 18, 2009
Replies
2
Views
2K
Light and Vision: Photon Direction
Dec 18, 2009
Replies
5
Views
4K
How can a black hole bend light?
Dec 18, 2009
Replies
18
Views
23K
A few general questions about Optics
Dec 18, 2009
Replies
3
Views
2K
Polarised 3D glasses and an LCD Monitor
Dec 18, 2009
Replies
1
Views
5K
Bullets in Flight: Understanding Rifling & Velocity Loss
Dec 18, 2009
Replies
11
Views
6K
Finding Green Light Wavelengths for Dissertation
Dec 18, 2009
Replies
3
Views
2K
Refraction and fiber optic cable diameter
Dec 16, 2009
Replies
7
Views
3K
Can Photons Create Black Holes?
Dec 15, 2009
Replies
1
Views
5K
Why is diffraction most pronounced for objects on the order of the wavelength?
Dec 14, 2009
Replies
5
Views
3K
Color and visible light in general
Dec 12, 2009
Replies
14
Views
5K
Relationship between light amplitude and intensity
Dec 11, 2009
Replies
1
Views
28K
Curving light undergoing redshift
Dec 11, 2009
Replies
14
Views
4K
Explanation of laser intensity
Dec 11, 2009
Replies
3
Views
4K
Diffuse light - clear reflection
Dec 10, 2009
Replies
9
Views
6K
Material that blocks visible light but not uv light
Dec 10, 2009
Replies
6
Views
26K
Can microwaves burn metallic objects?
Dec 9, 2009
Replies
10
Views
7K
Does anyone know a crystal with refractive index of water?
Dec 9, 2009
Replies
1
Views
2K
How could you influence the number of photons emitted from a metal
Dec 7, 2009
Replies
4
Views
3K
How to determine rarer & denser medium for light?
Dec 7, 2009
Replies
3
Views
14K
Basic conceptual description of lightspeed having a limit
Dec 6, 2009
Replies
8
Views
2K
Speed of light in denser and rarer medium.
Dec 6, 2009
Replies
2
Views
6K
Understanding the Time Delay in Viewing Events on the Moon with Telescopes
Dec 4, 2009
Replies
9
Views
3K
Measuring Light Speed - Is Light Massless?
Dec 4, 2009
Replies
4
Views
2K
Computing Flight Forces. Im getting so upset
Dec 3, 2009
Replies
6
Views
2K
What is the significance of negative index of refraction in modern physics?
Dec 2, 2009
Replies
5
Views
5K
How Far Must Someone Fall in a Cylinder to See the Entrance as a Dot of Light?
Dec 2, 2009
Replies
6
Views
3K
The Mystery of 99% Reflecting Mirrors: A Physics Perspective
Dec 1, 2009
Replies
5
Views
3K
Photographic 'Circular Polarisers': what are they?
Dec 1, 2009
Replies
4
Views
2K
Optics Q : Diffraction Pattern from a Ronchi Ruling
Dec 1, 2009
Replies
1
Views
5K
Light Intensity and Number of Photons
Dec 1, 2009
Replies
6
Views
57K
Relationship between Refractive index and Inpedance
Nov 28, 2009
Replies
5
Views
21K
Spin Polarization: Definition & Spintronics Logic Levels
Nov 27, 2009
Replies
2
Views
3K
Speed of light : missing energy
Nov 25, 2009
Replies
6
Views
2K
Why Aren't My New LED Headlights Working?
Nov 25, 2009
Replies
1
Views
3K
Polarizing radar waves with egg slicers
Nov 25, 2009
Replies
16
Views
3K
The acceleration of mass using light
Nov 25, 2009
Replies
9
Views
3K
Light Wavelengths: Causes & Frequency Explained
Nov 24, 2009
Replies
2
Views
2K
How does the inverse square law apply to electromagnetic radiation?
Nov 23, 2009
Replies
12
Views
6K
Mysterious Tiny Spots in a Laser Spot
Nov 22, 2009
Replies
5
Views
2K
Can light produce darkness and can noise procude quiteness 4
Nov 21, 2009
Replies
10
Views
3K
Measuring components of circularly polarised light.
Nov 19, 2009
Replies
1
Views
5K
Is Light Considered a State of Matter?
Nov 18, 2009
Replies
13
Views
18K
Polarizing Light: Uses in Science & Technology
Nov 16, 2009
Replies
6
Views
2K
Gravity Probe 2 Success: Lens Thirring Effect Explained
Nov 16, 2009
Replies
6
Views
4K
If light has mass, and is a wave
Nov 16, 2009
Replies
2
Views
2K
Refractive Index: Methods for Determining Beyond Newton's Rings
Nov 14, 2009
Replies
3
Views
2K
Mechanism of reflection at the atomic scale
Nov 12, 2009
Replies
4
Views
6K
Light velocity, wavelength, and frequency
Nov 11, 2009
Replies
3
Views
3K
Why Do Molecules Absorb Photons at Combined Frequencies v1 + v2?
Nov 11, 2009
Replies
4
Views
2K
Solving Refraction Optics Puzzle for Color Project
Nov 10, 2009
Replies
1
Views
2K
Affordable Solar Cell for Sunblock Experiment | UV Light & Electricity
Nov 10, 2009
Replies
7
Views
7K
I need some help with this project (optics and lens design)
Nov 9, 2009
Replies
2
Views
2K
Single slit diffraction interference
Nov 8, 2009
Replies
10
Views
10K
Does Light Bend in an Electro-Magnetic Field?
Nov 6, 2009
Replies
3
Views
2K
Metal inside a microwave oven -> ice?
Nov 4, 2009
Replies
8
Views
4K
Relative Velocity of running towards a mirror
Nov 3, 2009
Replies
8
Views
9K
Y ICE doesnt melt when placed in microwave oven?
Nov 2, 2009
Replies
11
Views
4K
Can a prism separate two different waveforms with the same spectrum?
Nov 2, 2009
Replies
2
Views
2K
Is light a wave AND/OR a particle
Oct 31, 2009
Replies
1
Views
3K
If light is a constant then gravity is also right?
Oct 30, 2009
Replies
10
Views
3K
How Does Light Intensity Vary with Distance from an Incoherent Extended Source?
Oct 30, 2009
Replies
1
Views
2K
How Fast Do Forces Like Gravity and Magnetism Act Compared to Light?
Oct 30, 2009
2
Replies
67
Views
13K
What gives objects their color?
Oct 28, 2009
Replies
16
Views
5K
Optical Phenomena with White Wine and Glass
Oct 26, 2009
Replies
14
Views
6K
Getting Started with Lens Design
Oct 22, 2009
Replies
4
Views
3K
Amount of light needed to capture images
Oct 22, 2009
Replies
6
Views
4K
Interference between different mode of light
Oct 22, 2009
Replies
5
Views
2K
How Do Mirrors Create the Illusion of Depth?
Oct 22, 2009
Replies
4
Views
3K
Is the speed of light truly unattainable?
Oct 21, 2009
Replies
17
Views
5K
Why do we see 2 waves in interference instead of 3 or 4?
Oct 19, 2009
Replies
6
Views
2K
Light passing through the normal of a surface
Oct 17, 2009
Replies
6
Views
3K
Alternator which is light in weight
Oct 13, 2009
Replies
1
Views
2K
Can Superposition Be Applied to a Single Charge in Different Dielectric Media?
Oct 13, 2009
Replies
3
Views
2K
Monitoring and Stopping Radio Waves
Oct 11, 2009
Replies
1
Views
2K
Speed of light is set to be 299,792,458 m/s
Oct 8, 2009
Replies
5
Views
2K
How does LLoyd's mirror works?
Oct 8, 2009
Replies
4
Views
13K
Cryogen-cooled x-ray tube anode
Oct 7, 2009
Replies
2
Views
3K
Faster than light Information Possible?
Oct 6, 2009
Replies
20
Views
5K
Light in a perfect reflective box
Oct 5, 2009
Replies
2
Views
3K
Mirage is refraction phenomenon or total internal reflection phenomenon?
Oct 5, 2009
Replies
1
Views
7K
Diffuse Reflection of InfraRed
Oct 5, 2009
Replies
1
Views
3K
Refraction and the apparent slowing down of light
Oct 3, 2009
Replies
1
Views
2K
Why does light travel so fast?
Oct 2, 2009
Replies
28
Views
45K
Size and distance of different wavelengh photons?
Oct 2, 2009
Replies
10
Views
4K
In what medium do light, energy, and matter exist?
Sep 30, 2009
Replies
3
Views
2K
How Can You Tell if Your Glasses Have High-Index Lenses?
Sep 29, 2009
Replies
1
Views
3K
Greenhouse effect (reflection vs transmission)
Sep 29, 2009
Replies
3
Views
5K
Metal in Microwave Ovens: A Scientific Explanation
Sep 27, 2009
Replies
9
Views
24K
How can I prevent my LED lights from blowing out on my car?
Sep 26, 2009
Replies
3
Views
8K
Do Photons Have Mass or Not?
Sep 26, 2009
Replies
2
Views
2K
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