Questions tagged [glass]
A glass is a type of amorphous solid whose structure is dominated by excluded-volume effects. Use this tag for questions about the glass transition and the thermodynamics and statistical mechanics of glasses.
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Does the color of glass affect its index of refraction?
I've found found lots of stuff on how the color of light relates to the index of refraction while holding the refraction material constant, but I'm looking at the opposite problem: does the color of ...
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Resource recommendation for state of the art understanding of glass transition
Wikipedia identifies as an "Unsolved problem in physics" the question
What is the nature of the transition between a fluid or regular solid and a glassy phase?
citing a comment by Phil ...
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Energy Benefits of Using Windows Vacuums to Remove Water That Otherwise Evaporates and Absorbs Energy
I've been using a new window vac and pondering its effect on the temperature in the house - and there seems nothing written about this that I can find. Plainly when the water evaporates energy is ...
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Glass having huge thermal mass when stirring drinks
In the book "Liquid Intellegence: The Art and Sience of the Perfect Cocktail", David Arnold says this:
My question is how the glass affects the chilling? What does he mean by the glass ...
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How can I identify a quarter or half wave plate from a used/modified Strainoptics polarimeter?
I'm a glassblower and I need to test glass formulas for compatibility. I'd like to use a polarimeter as it allows not only the detection of strain, but also informs if a glass needs to be softer or ...
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Does glass slowly (invisibly) degrade until it breaks?
(This question is about non-tempered glass.)
I broke my favorite glass (tumbler) today, dropping it in my (ceramic) sink while trying to refill it. :(
I'm kind of a klutz - that's far from the first ...
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How do I calculated the second Reflection (2) of light in glass (which equations and tools)
How do I calculated the second Reflection (2) of light in glass (which equations and tools)
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How will light refract if it falls at the corner of a rectangular glass slab
my friend asked me a question related to the refraction of light at the corner of a glass slab.
How will light behave in this situation? My thinking is that AB will be the surface and AC will act as ...
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Detailed derivations about Mode Coupling Theory (MCT)
I am currently reading two articles related to mode coupling theory (MCT) and I am stuck in evaluating some ensemble averages, since there is no detailed derivations given. Moreover, the two ...
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Very long timescale stress relief in glass
If someone scratches a glass, it is becoming weaker at this point, and more prone to cracking.
But with time (tens and hundreds of years ) glass looses its shape because glass has amorphous structure. ...
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Does glass undergo internal damage in a similar way to wood?
Does glass undergo internal damage in a similar way to wood when struck hard, even if it doesn't visibly break, and is this damage accumulated gradually over time, or does it occur as a binary ...
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Explaining refraction of light through a glass slab
Let's consider a glass slab ABCD.
Now a light ray is incident on the near end of the air-glass interface AB and is emerging from the glass-air interface BD. In such a manner:
Is there something wrong ...
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What is the latent heat of melting for a everyday soda lime glass
This science direct article
https://www.sciencedirect.com/topics/chemistry/soda-lime-glass
States a particular type of glass (the most common one) and it's properties i was unable to find the latent ...
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Mechanism causing red fluorescence from green (532nm) laser in household glass
Background / Experiment
I was surprised by this toot by @gigabecquerel, where the author shows red fluorescence in the thick bottom of a (drink) glass when exposed to a cheap consumer-grade green ...
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Anisotropic Behavior of Glass in the Faraday Effect Experiment
I'm currently working on an experiment that uses the Faraday effect to determine the Verdet constant of SF-57 glass.
Basically, similar to the photo above, I have a LED that generates a 405nm light. ...
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Is amorphous ice thermodynamically stable?
Amorphous ice is often produced by cooling liquid water below its glass transition temperature so fast that it does not have time to form ice crystals. The fact that this can only occur if the ...
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Why does vitrification cause less damage to biological tissue than freezing does?
Long-duration cryopreservation of biological tissue (most often semen, egg cells, or fertilized embryos) is typically done at 77 K, since the samples can be easily kept at that temperature by ...
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Refraction of light as seen from a glass of water
When we put a straw in a glass of water the size and bending is more when viewd from side than from up. Is this due to the effect of the glass?
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A glass prism and a polaroid photo film
Let's say I am in a very dark room and a have a lamp with a cardboard tube around it. The cardboard tube has a tiny hole so light can leave. If a place a glass prism in the way of the beam, would I ...
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Why do navy-blue blocks of glass (sometimes) brighten into cyan, or orange into yellow?
I'm learning how to illustrate transparent mediums realistically. Here are two examples illuminated with white light. I've noticed this doesn't occur with red or green, which stay their own colour. I ...
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Does using thinner glasses have any effect on how the eye look?
My daughter asked me to buy thin glasses for her eyes. So the power of the lenses are the same, but the glasses are thinner because the glasses use plastic with higher refraction index.
Latter I found ...
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Heaviside function in the form of an integral
I am currently reading Optimal storage properties of neural network models by E. Gardner. (DOI 10.1088/0305-4470/21/1/031)
In appendix 1, the Heaviside function is expressed in integral form eq A1.1
$$...
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Can High Wind Speed bent Steel Pipes? [closed]
Planning on using Steel Pipes as frames for holding laminated glass in a high wind area. Four sides will be covered by glass and the roofing will be also be covered with glass. Planning on using a ...
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Is it possible to make multiple monitors (with glasses) in a way that each of the glasses would be able to see their specific monitor but not others?
So i was interested if i could make A B C monitors lets say and ive a b c glasses for all of them. My question was that is it physicly possible to make 3 same screens in a way that when i put on a ...
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Concave and Convex mirrors - How am i able to see the image without capturing on the screen but through my eyes?
When a Object’s light rays hits a Concave or Convex mirror, the image forms. How am i able to see this image? I Know we cant capture virtual images on screen and can capture real image and the light ...
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What will happen when a laser which carries information passes through a glass?
I am currently working on my summer project and one of my tasks is to figure out what will happen when a laser which carries information passes through a glass, like how will the glass affect the ...
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Stokes relations for a glass slab
Stokes relations describes the transmission and reflection coefficients at a boundary between materials of different refractive indices, derived using a time-reversal argument. As far as I understand, ...
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Glass Slab to Prism! [closed]
Hi I want to know how the refraction of light takes place in different cases!
Like Here is an image
In this case the light refracte simply. While in the prism refraction of light becomes quite tricky....
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UV light Skin depth for a Glass
From Wikipedia:
$\delta = \sqrt{\dfrac{\rho}{\pi \cdot f \cdot \mu_r \cdot \mu_0}}$
$\rho$ for a glass was taken as $10^{11} \text{ } \Omega \cdot m $,
$\mu_r$ for a glass was taken as $1$ (...
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Why aren't negative diopter glasses invisible?
If the diopters of a set of glasses determine the thickness, and higher diopters determine a thicker glass, why aren't negative diopter glass lens invisible?
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Translucent materials, like frosted glass, do have a refractive index?
I'm an architectural lighting designer in Mexico and I know the basics of absorption, transmission, reflection and refraction of materials. But I can't find anything about translucent materials like ...
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What is the speed of an air bubble in the glass?
This question arises from reading the sf poem Aniara, where the trip of the spaceship is compared to the movement of an air bubble encapsulated in a bulk of glass.
How fast can such a bubble travel?
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What is refractive index of a hollow glass container with a liquid inside?
Suppose that a thin hollow glass slab with a refractive index of $1.5$ contains a liquid inside, which has a refractive index of $\mu$, and $\mu \neq 1.5$. If I now send a laser light at the medium ...
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When measuring IR for temperature of shiny surfaces, how is the object own emission added to the reflection?
While discussing measuring temperature of a heated glass plate used in 3D printers, it was pointed out that IR thermometers are not accurate because, for uncoated and shiny glass surface, they measure ...
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Changing the apparent focal distance of an object
I'm not completely confident this is the write SE site to post this on, but it seems like the most relevant one.
I want to make an object (with negligible thickness) that is around one to five ...
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Why are the after effects of elasticity maximum for glass?
After effects of elasticity are maximum for
A) Glass.
B) Quartz
C) Rubber.
D) Metal
The correct answer given is glass. The vague explanation provided is that in the case of metal, the metallic bonds' ...
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Why can you not look through glass? [duplicate]
I have this table but I cannot find out why I cannot look through the side of it.
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Why marbles don't shatter like a glass panel does?
Both are made of the same material, not talking about the tempered glass. But I don't see marbles shatter the way glass panel does, why is that? If I could scale up the marble to the size of a car and ...
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In general which laser would cut clear glass more easily, a visible spectrum laser or an infrared laser?
Assuming the two lasers have identical characteristics and power output except their wavelength, which one would be more successful and easy in cutting clear glass?
In case there is doubt that you can ...
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Phase velocity higher than the light speed for high frequencies in glass
The phase velocity is higher than the light speed for very high frequencies in glass, but nothing should transmit information faster than the light in the vacuum. So I read that a pure sinusoid wave ...
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How has Parisi's nobel-prize winning work been applied to all kinds of complex systems?
As discussed briefly in this APS Physics editorial, Nobel Prize: Complexity, from Atoms to Atmospheres, the most important works of the recent Nobel prize winning physicist concern the study of the ...
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Reproducing the disappearing glass experiment with normal glass
There is a famous disappearing glass experiment in which you use pyrex glass (IoR=1.47) and oils with similar IoR to create an illusion that the glass disappeared.
Is there a liquid (mixture) that can ...
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Glass Cracking Mystery!
Okay I had something very mysterious happen to me last night. Now I am not into believing ghosts or God exist. So I am looking for a scientific explanation for what happened!!!
Last night, I was ...
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Sound reduction window/glasses: What reduces sound?
Hello Physics community,
I have a small question regarding noise reduction windows.
May I ask what helps reduce sound wave please?
Is it the thickness of the glass? I see some windows with different ...
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Change of position of object with and without glasses/spectacles
If I look at an object with my glasses on and then remove my glasses, the object and everything in my field of vision seem to undergo a displacement. From my judgment, the displacement is greater for ...
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Are window glasses transparent or opaque to infrared radiation? [duplicate]
I have been trying to understand this concept to identify on the best option to reduce temperature in my room.
I have read few article which stated that glass is transparent to IR radiation. ie Beyond ...
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Why does a thin film of gold turn from pink/purple to green in reflected light when encased by glass?
I am a glass artist working in the medium now for 25 years. I cannot figure this out. When I fume gold onto borosilicate glass, it appears pink/purple when not encased. If I encase the gold, it takes ...
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Working of a lightboard or glass board?
While watching an YouTube tutorial in which the tutor was teaching on some sort of glass board from the behind of this board or which is called as "Lightboard" also, I wondered to know how ...
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Is there a limit to how much light can pass through glass?
Let’s say I have a one cubic centimeter of glass. Without going into the details, we know that light passes through this glass with the help of the glass. The glass facilitates light’s transmission ...
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Why does glass break into pieces rather than just melting or cracking
In the given link of a video. The maker puts hot lava on different kind of types of glass .
https://youtu.be/wLNBLUm3CZQ
my question is why does glass break into innumerable pieces rather than just ...
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