To any dentists/orthodontists, how does the adhesive that attaches braces to teeth work?

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• To any dentists/orthodontists, how does the adhesive that attaches braces to teeth work?
• What is the difference between something that's hot and emits a color based on how hot it is (like steel going from red to white) and something that burns a color because of its composition (like a cation being burned under a bunsen burner)?
• Why is the switch from IPv4 to IPv6 so difficult? What key principles are slowing migration to the new standard?
• Why can't the immune system prevent shingles outbreaks, since it already has antibodies for the virus?
• I am allergic to cats. Would I also be allergic to tigers, lions and the like?
• So if I dug a hole straight through the earth then jumped in, would I stop in the center, or fall out the other side into the sky?
• Would sea-dwelling mammals and seabirds perceive underwater as blurry/distorted the same way in which we do as humans?
• How does this jpg file know my IP, ISP, Operating System, and Browser?
• Are there any potential ways to modify the human eye to see more of the electromagnetic spectrum?
• Do gravitational waves have a wave equation?
• Is it possible to apply conventional physics to 4D space? If so, is there anything particularly interesting or different about them?
• Why do our eyes involuntarily shut when we hear loud sounds?
• Why is there a need for the concept of dark energy as an explanation for the expansion of the universe?
• If I stood on a platform that was accelerating upwards (towards me) at 9.8m/s/s in space, would it realistically simulate earth's gravity?
• When I take a hot shower, my mirror fogs up. Is the mirror material better for water condensation, or is it simply the most obvious surface that condensation is occurring on?
• What kind of physical properties determines the ions to move across a membrane at a different rate?
• What would happen to life on earth of we were to experience 5,778 K (temperature of the sun) for only a yoctosecond?
• How can the temperature of the vacuum of space be measured when there is almost no matter to measure?
• Does string theory describe any actions or phenomena that occur in the hidden extra dimensions?

To any dentists/orthodontists, how does the adhesive that attaches braces to teeth work? Posted: 15 Feb 2016 08:54 PM PST To be more specific, what is it made of? How do orthodontists remove the adhesive? How do they get it on? What can cause the adhesive to fail? Will it stop working if it is heated or cooled to a certain temperature? Context: I read a post somewhere about someone writing a story based in the Fallout universe about a person who is unfortunate enough to have braces during the beginning of the apocolypse and goes around the wasteland looking for someone who can get them off. That got me thinking: what would happen to a person with braces in the post-nuclear apocolypse wasteland? Would their braces fall out eeventually? Would the person be stuck with them forever? Etc. submitted by /u/BruceTheUnicorn [link] [comments]

What is the difference between something that's hot and emits a color based on how hot it is (like steel going from red to white) and something that burns a color because of its composition (like a cation being burned under a bunsen burner)? Posted: 15 Feb 2016 05:40 PM PST submitted by /u/ballsmen [link] [comments]

Why is the switch from IPv4 to IPv6 so difficult? What key principles are slowing migration to the new standard? Posted: 15 Feb 2016 08:18 PM PST submitted by /u/Jeffplz [link] [comments]

Why can't the immune system prevent shingles outbreaks, since it already has antibodies for the virus? Posted: 15 Feb 2016 03:18 PM PST What I got from reading some articles online is that if you get chickenpox, the virus remains dormant even after you get better. Then sometimes it somehow wakes up, and you develop shingles. My probably stupid but unanswered question is: aren't you supposed to have developed antibodies for varicella zoster? Why does the immune system fail get rid of it before the shingles develop? submitted by /u/khenti-amentiu [link] [comments]

I am allergic to cats. Would I also be allergic to tigers, lions and the like? Posted: 15 Feb 2016 12:43 PM PST I am quite allergic to domesticated cats. For obvious reasons, I haven't had the chance to cuddle with a big cat like a lion, tiger, etc. Would I experience the same reaction or none? Is the same true for dogs (i.e. allergic to domesticated dogs, also allergic to wolves)? submitted by /u/BoboAUT [link] [comments]

So if I dug a hole straight through the earth then jumped in, would I stop in the center, or fall out the other side into the sky? Posted: 15 Feb 2016 07:03 PM PST This might be an idiotic question but I mean, would the gravity stop you, or would your momentum keep you going through? (also yes I know this is impossible and I would burn up in the center of the earth, but this is hypothetical) submitted by /u/shoeless25 [link] [comments]

Would sea-dwelling mammals and seabirds perceive underwater as blurry/distorted the same way in which we do as humans? Posted: 15 Feb 2016 11:15 PM PST Given they are land creatures which also enter the sea- would they see underwater the same way we do? Or is there some sort of evolutionary trait which allows them see clear on land, and clear in the ocean as fish do as well? Please elaborate ! Thanks submitted by /u/universalcathood [link] [comments]

How does this jpg file know my IP, ISP, Operating System, and Browser? Posted: 15 Feb 2016 02:33 PM PST Go to this page: http://www.last.fm/forum/21717/_/249772/1 And scroll to the bottom (the bottom of the bottom post, not all the way down to the footer). As part of a user's forum signature, there is an image that knows things about your computer/network. How? An image link is below in case people are reluctant to follow my link above, but you should try it for yourself! http://i.imgur.com/aYxadwg.png submitted by /u/Zagged [link] [comments]

Are there any potential ways to modify the human eye to see more of the electromagnetic spectrum? Posted: 15 Feb 2016 02:02 PM PST We only see a small piece of the electromagnetic spectrum. Is it even possible for man to potentially see more? If that is a possibility, how might technology expand the visible spectrum of light? submitted by /u/theHangedGod [link] [comments]

Do gravitational waves have a wave equation? Posted: 15 Feb 2016 05:47 PM PST All waves should have an equation. Even electron waves have their own equation, derived by Schrodinger and then modified by Dirac to take into account special relativity. In that case, what is the wave equation of a gravitational wave and how do you go about calculating it? submitted by /u/eropagnis [link] [comments]

Is it possible to apply conventional physics to 4D space? If so, is there anything particularly interesting or different about them? Posted: 15 Feb 2016 05:12 PM PST submitted by /u/TheDingusJr [link] [comments]

Why do our eyes involuntarily shut when we hear loud sounds? Posted: 15 Feb 2016 01:01 PM PST For example when hammering nails, i mean wouldn't it be better to look for the source? submitted by /u/Chief_Bandit [link] [comments]

Why is there a need for the concept of dark energy as an explanation for the expansion of the universe? Posted: 15 Feb 2016 04:33 PM PST Apparently points in the universe are increasing their distance with respect to each other. Why does there need to be some kind of force or energy to explain this? Why could the explanation not be that the universal lengthscale just is not constant or something along the lines? submitted by /u/JaqueLeParde [link] [comments]

If I stood on a platform that was accelerating upwards (towards me) at 9.8m/s/s in space, would it realistically simulate earth's gravity? Posted: 15 Feb 2016 06:01 PM PST submitted by /u/coalminnow [link] [comments]

When I take a hot shower, my mirror fogs up. Is the mirror material better for water condensation, or is it simply the most obvious surface that condensation is occurring on? Posted: 15 Feb 2016 01:17 PM PST I understand why the fog occurs, but is it omnipresent or only on the mirror? Why is it more visible on the mirror? submitted by /u/popeye_t_s_m [link] [comments]

What kind of physical properties determines the ions to move across a membrane at a different rate? Posted: 15 Feb 2016 04:10 PM PST In my textbook, it says "In aqueous solution, Na+ and Cl- do not move at the same rate; CL- is more mobile..than Na+. This is because ions dissolved in water carry with them a loosely associated "cloud" of water molecules, and Na+ must drag along a larger cloud than Cl-, causing it to move more slowly". Is there a general rule where I can figure this out by looking at the periodic table? Does it have to do with the size of the ion? Thanks in advance. submitted by /u/ThyrosineChoi [link] [comments]

What would happen to life on earth of we were to experience 5,778 K (temperature of the sun) for only a yoctosecond? Posted: 15 Feb 2016 01:39 PM PST Would it be long enough to boil the earths oceans or is it too short of time to do any serious damage? submitted by /u/xSUPERDUPERx182 [link] [comments]

How can the temperature of the vacuum of space be measured when there is almost no matter to measure? Posted: 15 Feb 2016 12:48 PM PST How can the vacuum be measured when temperature is dependent on the average kinetic energy of matter? submitted by /u/DameMoore2016 [link] [comments]

Does string theory describe any actions or phenomena that occur in the hidden extra dimensions? Posted: 15 Feb 2016 12:43 PM PST Descriptions of string theory indicate various versions of theory require 6, 7, 10 or 11 dimensions whereas we only perceive 3, or 4 dimensions if you count time as one. The fact that we can't see or sense these dimensions is explained by suggestions that they are "compact" or curled up in tiny closed loops. Do any of the string theories describe forces or particles that transmit or translate through these hidden dimensions to create effects we can see and measure in the 3/4 visible dimensions? For example, particle quantum entanglement is bit of mystery in our current physics, especially the apparent "instaneous" communication of the quantum state information between entangled particles when one particle is measured. Do any of the string theories suggest the channel of communication between distantly separated entangled particles could be communicated through these hidden dimensions? Are there any other examples of forces or fields in the standard model that string theory says is operating through these dimensions? submitted by /u/shiningPate [link] [comments]

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