Why are all the place-holder names of the incoming elements to the Periodic table all Unun-something?

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• Why are all the place-holder names of the incoming elements to the Periodic table all Unun-something?
• Would it be possible to expand the spectrum of light we can see?
• Is there an anti-placebo effect?
• Do satellites travel with the rotation of the earth or against and if they go both ways would two identical satellites going opposite directions at the same altitude have to travel at different speeds to maintain orbit?
• What is the best way to play the lottery, scientifically?
• Is it possible to slow down a particle until its momentum is 0 if the universe has a finite size?
• What's the role of imaginary numbers in electronics and circuits?
• How much power can be achieved through a Dyson sphere?
• How does Ampicillin act as a substitute for Penicillin?
• Why does air underwater look 'metallic'?
• Are there any human species that have gone extinct?
• If I enter a lottery with a countably infinite number of tickets and there is a countably infinite amount of entrants, one for each ticket, can I still win even though my chance of winning is infinitely small? Why/why not?
• Why a mess of particle physics gives rise to simple and elegant classical physics laws?
• How possible is it for a company with minimal polymer experience to start making useful polyurethanes?
• Is dark energy/matter created by the expansion of the universe? Does this violate conservation of energy if it does?

Why are all the place-holder names of the incoming elements to the Periodic table all Unun-something? Posted: 13 Jan 2016 01:27 PM PST ""IUPAC has now initiated the process of formalizing names and symbols for these elements temporarily named as ununtrium, (Uut or element 113), ununpentium (Uup, element 115), ununseptium (Uus, element 117), and ununoctium (Uuo, element 118)." Why are they all unun? Is it in the protocol of the IUPAC to have to give them names that start that way? Seems to be to be deliberate... but I haven't found an explanation as to why. submitted by Cadllmn [link] [393 comments]

Would it be possible to expand the spectrum of light we can see? Posted: 14 Jan 2016 02:26 AM PST Would our brains even be able to process it if you somehow changed our eyes? Maybe replacing the eye with an artificial one that reacts to a broader spectrum of light? Would we see new colors or would our brains just assign the colours we already know to this wider spectrum? submitted by Filthy_McTavish [link] [9 comments]

Is there an anti-placebo effect? Posted: 13 Jan 2016 08:26 PM PST If you truly believe that medicine won't work, can it affect effectiveness? submitted by Evilpuppydog [link] [8 comments]

Do satellites travel with the rotation of the earth or against and if they go both ways would two identical satellites going opposite directions at the same altitude have to travel at different speeds to maintain orbit? Posted: 14 Jan 2016 05:04 AM PST submitted by blinton [link] [1 comment]

What is the best way to play the lottery, scientifically? Posted: 13 Jan 2016 11:38 AM PST As we all know, the drawing tonight is the biggest in history. I'm not an avid player by any means, as I typically only plan when it gets hyped up in the media. I typically just buy a few quick picks, but just realizing today that I don't even know what method of random selection quick pick uses. Does it base it on other numbers it has chosen for other quick pick buyers? Digging in further, I see that Powerball lists past winning numbers, so we can get some sort of idea on winning number frequency. (Also, you can just get them all in 1 text file here). Now, if I were to stop using the quick pick method, what would scientifically be the best way to choose my numbers to create the best odds of winning? By choosing numbers that have been drawn the most? By choosing numbers that have been drawn the least? By some sort of other formula? submitted by mctenold [link] [287 comments]

Is it possible to slow down a particle until its momentum is 0 if the universe has a finite size? Posted: 13 Jan 2016 08:02 AM PST I was just wondering about Heisenberg's Δx * Δp ≥ h/4π. If you can make p (and therefore Δp) arbitrarily low, then its Δx gets infinitely big. But if the universe is finite, then so is Δx, meaning p can't be 0. Does that make any sense, or it it stupid? submitted by MadTux [link] [21 comments]

What's the role of imaginary numbers in electronics and circuits? Posted: 13 Jan 2016 12:34 PM PST I just don't get how the square root of -1 can be so relevant in these areas. submitted by lessavyfav68 [link] [14 comments]

How much power can be achieved through a Dyson sphere? Posted: 13 Jan 2016 08:39 PM PST Context: I just read the most recent "what-if" by the xkcd guy. http://what-if.xkcd.com/ In the blurb he discusses the consequences of the entire sun's radiation energy focused into a small beam. He never actually quantified the intensity of the beam though. This got me thinking about dyson spheres and their potential to operate as deathstars. Has anyone attempted to roughly estimate the yield of a dyson sphere? submitted by cooly_air [link] [3 comments]

How does Ampicillin act as a substitute for Penicillin? Posted: 13 Jan 2016 06:42 PM PST What are some reasons that say Ampicillin would be much more effective than Amoxicillin? Could this effect be even more pronounced when used in conjunction with Penicillin? Can drugs be exponentially effective? submitted by Matzo_Ball_Soup [link] [3 comments]

Why does air underwater look 'metallic'? Posted: 13 Jan 2016 08:06 PM PST I've noticed if I bubble into cupped hands underwater, the trapped air looks like mercury. Why is this? I've learnt that metals look metallic due to the electron cloud reflecting photons, but why would this happen to air, and only to air when viewed through water? submitted by RoseSGS [link] [2 comments]

Are there any human species that have gone extinct? Posted: 13 Jan 2016 11:50 AM PST Of course, we all know of Neanderthals but have any other species been discovered? Are they superior to modern humans in any way? Do they still exist in the gene pool? Thanks, guys. submitted by JewishGangster [link] [20 comments]

If I enter a lottery with a countably infinite number of tickets and there is a countably infinite amount of entrants, one for each ticket, can I still win even though my chance of winning is infinitely small? Why/why not? Posted: 14 Jan 2016 12:45 AM PST submitted by The_Tak [link] [2 comments]

Why a mess of particle physics gives rise to simple and elegant classical physics laws? Posted: 13 Jan 2016 03:08 PM PST First, I should say that I mostly know about particle physics from popular lectures/articles and have not taken a real course in quantum field theory or particle physics. As I understand, the laws of particle physics is the most fundamental thing we know at the moment, and all other physics is somehow derived from it. Usually it is described as very complex and messy with all the different particles interacting in various nontrivial ways that we can only describe using dozens of different fundamental constants and fields. Yet, somehow, in the classical limit we get very beautiful and elegant theories (classical mechanics, relativity, electromagnetism) that each can be formulated almost in terms of at most a couple of equations with nowhere near the dozens of constants needed for particle physics. Is there any reason why extremely complex phenomena at particle level produce such abnormally simple laws for classical physics? submitted by Polite_Gentleman [link] [2 comments]

How possible is it for a company with minimal polymer experience to start making useful polyurethanes? Posted: 13 Jan 2016 04:36 PM PST I work for a small ink company, and my boss has decided that we should start making our own resins (mostly the polyurethanes) since we can't find one with the correct properties. We have no polymer chemists on staff (or any PhDs, for that matter), but a few formulators. Is there any likelihood of success, and if people have any experience, how expensive would this likely be? We have very minimal equipment (although we do have a fumehood). submitted by NoPolymerScientist [link] [3 comments]

Is dark energy/matter created by the expansion of the universe? Does this violate conservation of energy if it does? Posted: 13 Jan 2016 05:28 AM PST submitted by thedrunkm0nk [link] [10 comments]

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If we didn't use the base 10 and instead used a different base for our number system, could we potentially get whole numbers for things like Avogadro's Constant and the electronic charge?

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• If we didn't use the base 10 and instead used a different base for our number system, could we potentially get whole numbers for things like Avogadro's Constant and the electronic charge?
• In the Fight or Flight concept, why do some people fight while others fly? What goes on in the brain during this process that makes a person either fight or fly?
• When was it first determined that Mt. Everest was the highest point in the planet, and how were they able to know for sure?
• Why couldn't we reuse rocket stages?
• In the Holometer experiment, why would one of the laser beams arriving back at a slightly different time indicate the universe was quantized?
• Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science
• Can computers keep getting faster?
• If 1 in 3 million people die by shark attack, do I really have a 1 in 3 million chance of dying by shark attack?
• Why do so many things follow Normal Distribution?
• Why does the tip of my nose get prickly the instant before I sneeze?
• Where do saltwater mammals such as whales, seals, etc, get drinking water?
• Are there any times when energy isn't conserved?
• If gravity works by warping space, why doesn't charge do the same thing?
• What's the correlation between sexual abuse and trauma and it causing mental illness (specifically long term mental illness and emotional damage)?
• Given conservation of energy, shouldn't the universe eventually collapse back into another big bang?
• Do men and women have mental/psychological traits that occur on average more for their respective sex than the other?
• Why are so many people allergic to peanuts, and why does it appear to be mostly a North American problem?
• What gives mint its "cool" sensation?
• Are the positions of the tree's branches determined by the tree's genetics, or its environment?
• Will you help me identify a snake? Pictures in comments.

If we didn't use the base 10 and instead used a different base for our number system, could we potentially get whole numbers for things like Avogadro's Constant and the electronic charge? Posted: 12 Jan 2016 08:07 PM PST This occurred to me while taking some grade 11 science courses and seeing very similar numbers as fundamental constants in nature. Avogadro's constant to find moles is 6.02 X 1023 and the electronic charge is 1.602 X 10-19 submitted by SublimeSB [link] [100 comments]

In the Fight or Flight concept, why do some people fight while others fly? What goes on in the brain during this process that makes a person either fight or fly? Posted: 12 Jan 2016 07:22 PM PST submitted by Krewue [link] [16 comments]

When was it first determined that Mt. Everest was the highest point in the planet, and how were they able to know for sure? Posted: 12 Jan 2016 01:32 PM PST submitted by agarmend [link] [22 comments]

Why couldn't we reuse rocket stages? Posted: 13 Jan 2016 06:09 AM PST SpaceX and Blue Origin are important because they will decrease the cost of space travel. However, my question is, why was it not feasible before to have rockets that were reusable - i.e. parachutes to land them safely in the ocean/on the ground and fill them up with fuel again? submitted by caralho3000 [link] [1 comment]

In the Holometer experiment, why would one of the laser beams arriving back at a slightly different time indicate the universe was quantized? Posted: 13 Jan 2016 03:15 AM PST All the pop-sci articles I've read have a description of the set-up similar to this: It uses a pair of laser interferometers placed close to one another, each sending a one-kilowatt beam of light through a beam splitter and down two perpendicular arms, 40 meters each. The light is then reflected back into the beam splitter where the two beams recombine. If no motion has occurred, then the recombined beam will be the same as the original beam. But if fluctuations in brightness are observed, researchers will then analyze these fluctuations to see if the splitter is moving in a certain way, being carried along on a jitter of space itself. I have emboldened the sections I'm having trouble with. If the universe was discretised, why would that result in the splitter moving? Bounce two balls off a wall made of discrete lego blocks and they'll return to your hands at the same time. The lego blocks in the wall, or the pixels in a digital image, are discrete, but don't move. I could understand if they varied the distance for one of the split laser beams and found that the intensity of the recombined laser always varied at some integer multiple of a constant*Planck_length, but this is not their procedure. (Also, I assume there's a reason that wouldn't work?) submitted by PerilousGourd [link] [2 comments]

Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science Posted: 13 Jan 2016 07:05 AM PST Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Physics, Astronomy, Earth and Planetary Science Do you have a question within these topics you weren't sure was worth submitting? Is something a bit too speculative for a typical /r/AskScience post? No question is too big or small for AAW. In this thread you can ask any science-related question! Things like: "What would happen if...", "How will the future...", "If all the rules for 'X' were different...", "Why does my...". Asking Questions: Please post your question as a top-level response to this, and our team of panellists will be here to answer and discuss your questions. The other topic areas will appear in future Ask Anything Wednesdays, so if you have other questions not covered by this weeks theme please either hold on to it until those topics come around, or go and post over in our sister subreddit /r/AskScienceDiscussion , where every day is Ask Anything Wednesday! Off-theme questions in this post will be removed to try and keep the thread a manageable size for both our readers and panellists. Answering Questions: Please only answer a posted question if you are an expert in the field. The full guidelines for posting responses in AskScience can be found here. In short, this is a moderated subreddit, and responses which do not meet our quality guidelines will be removed. Remember, peer reviewed sources are always appreciated, and anecdotes are absolutely not appropriate. In general if your answer begins with 'I think', or 'I've heard', then it's not suitable for /r/AskScience. If you would like to become a member of the AskScience panel, please refer to the information provided here. Past AskAnythingWednesday posts can be found here. Ask away! submitted by AutoModerator [link] [comment]

Can computers keep getting faster? Posted: 12 Jan 2016 08:42 AM PST or is there a limit to which our computational power will reach a constant which will be negligible to the increment of hardware power submitted by VerifiedMod [link] [46 comments]

If 1 in 3 million people die by shark attack, do I really have a 1 in 3 million chance of dying by shark attack? Posted: 12 Jan 2016 07:52 PM PST Lately I've been thinking about statistics and how true they really are. As for the shark attack example, I imagine that that statistic came from the number of people killed by sharks in a year divided by the number of people. But what if I never go in the ocean? What if I am in all the time? Certainly this cannot be a real probability as the entire population isn't subject to the circumstances. What about a post on the front page right now that says "that if you drive one mile to the convenience store to buy a Powerball ticket, you are eight times more likely to die than win the jackpot" https://www.reddit.com/r/todayilearned/comments/40ol2d/til_that_if_you_drive_one_mile_to_the_convenience/ How does this account for your own driving habits? Surely my defensive driving affect this significantly? I know that accidents still happen, but is it actually OK to call this a probability? If 25% of the 7.2B people on Earth are African, that doesn't mean I have a 25% chance of being African. Rather, if you were to pick a person from Earth at random, the chance of that person being African is about 25%. Maybe I'm thinking about this wrong, but I really don't trust any of those statistics. I do think the likelihood of being killed by a shark is low, but I see this same rationale applied to a lot of things. submitted by cpxander [link] [9 comments]

Why do so many things follow Normal Distribution? Posted: 12 Jan 2016 09:31 PM PST Many things in nature and economics seem to follow a Normal/Gaussian distribution. Is there a reason for this? submitted by potatopigs [link] [6 comments]

Why does the tip of my nose get prickly the instant before I sneeze? Posted: 12 Jan 2016 11:14 AM PST submitted by HaKartzia [link] [3 comments]

Where do saltwater mammals such as whales, seals, etc, get drinking water? Posted: 12 Jan 2016 07:48 AM PST Do these animals not require water in the same way land mammals do? What about fish and other sea creatures? submitted by kink_hoes [link] [13 comments]

Are there any times when energy isn't conserved? Posted: 12 Jan 2016 08:53 PM PST I was reading about relativity and got confused by the way in which they were talking about conservation. submitted by Advanced_Basic [link] [6 comments]

If gravity works by warping space, why doesn't charge do the same thing? Posted: 12 Jan 2016 11:20 AM PST As I understand it, gravity works by influencing the space in our universe to curve, creating an attraction between massive objects. If thats the case, and if the electromagnetic force is much stronger than gravity, why don't we see the same effect between charged particles? submitted by boosquee_mcpittles [link] [7 comments]

What's the correlation between sexual abuse and trauma and it causing mental illness (specifically long term mental illness and emotional damage)? Posted: 12 Jan 2016 01:44 PM PST I am aware of women both in my family and in extended relationships that endured sexual abuse at some point in their lives that led to long-standing mental illness, be it borderline personality disorder, manic depression, anxiety disorder, post traumatic stress disorder, etc. One person in particular has basically been left mentally incompetent and has had a tremendous change in her person, leaving her unable to work and in a very low income position. She is legally disabled because of her mental state. She experienced frequent and brutal sexual abuse over the course of years during her time in a military branch as a younger woman. I often wonder if these events led to her being homeless and so unstable because of the emotional damage. Are there figures that indicate how many people suffer mental illness after being sexually assaulted? Is a person more likely to experience mental illness as a consequence from sexual abuse more so than other physical or verbal abuse? Are there any studies related to this? submitted by ilikemazdas [link] [7 comments]

Given conservation of energy, shouldn't the universe eventually collapse back into another big bang? Posted: 12 Jan 2016 12:57 PM PST Currently, everything appears to be flying away from the central point of the big bang at particularly fast speeds. As I understand, though, everything will be slowing down gradually as the very minor influences of gravity from everything in the other direction pulls back. Thus, it should eventually all reach a point where it stops and starts slowly coming back, presumably gaining the same momentum in the opposite direction. Eventually, this would lead to everything crashing back together at the central point with about the same speed and force of the big bang, but in reverse, which I would assume would generate another big bang. How far off am I? submitted by Magrias [link] [20 comments]

Do men and women have mental/psychological traits that occur on average more for their respective sex than the other? Posted: 12 Jan 2016 10:11 AM PST I had a conversation with a friend of mine yesterday regarding the idea of a male and female brain. I don't think any traits are going to be exclusive or always present for either sex, but I do think that on AVERAGE women enjoy certain activities, products, etc more than men and vice versa. Also I wanted to ask if any of these traits are the result of biology. submitted by HR95 [link] [6 comments]

Why are so many people allergic to peanuts, and why does it appear to be mostly a North American problem? Posted: 12 Jan 2016 09:27 AM PST submitted by 11loopy11 [link] [7 comments]

What gives mint its "cool" sensation? Posted: 12 Jan 2016 09:22 AM PST Is there a single chemical in mint that gives it its cool, minty flavor, similar to how capsaicin gives peppers their spicy, hot flavor? submitted by rieldealIV [link] [6 comments]

Are the positions of the tree's branches determined by the tree's genetics, or its environment? Posted: 12 Jan 2016 09:36 AM PST Would a cloned tree have branches in the same place as its parent? submitted by Eroticinsect [link] [4 comments]

Will you help me identify a snake? Pictures in comments. Posted: 12 Jan 2016 06:59 AM PST http://imgur.com/a/AhBUP Location is southern Nicaragua just across the border with Costa Rica very close to the forest. I think its a boa, but am concerned it might be a type of pit viper. Any help is appreciated. Thanks submitted by chemistryhelpmepleas [link] [6 comments]

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If LIGO did find gravitational waves, what does that imply about unifying gravity with the current standard model?

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• If LIGO did find gravitational waves, what does that imply about unifying gravity with the current standard model?
• If Planck length is the smallest length possible, then isn't the smallest volume possible 1 cubic Planck length? Does this mean that the universe is made of tiny cubes?
• Can light, specifically visible light, destructively interfere?
• There is a bird inside a large cargo plane. Does the plane weigh less if the bird flies inside the plane?
• Can someone explain the Bell Test Experiments?
• What happens to Oceanic crust once it passes the Moho during subduction?
• Is there a maximum distance at which the Earth's gravity can't affect an object?
• How does matter turn into energy?
• If half of the matter falling in to a black hole during Hawking Radiation emission are anti particles and half are their particle counterparts, why does it cause the black hole to shrink?
• What causes certain molecules to form dipoles?
• Can there be such a distance function?
• On nutrition labels, why are sugars and carbohydrates listed as two separate entities?
• How can an atmosphere and near-infinite vacuum exist next to eachother?
• Do you think particle entanglement would enable scientists to "see" into black holes?
• What is the possibility of the current fracking in Northern BC causing catastrophic damage?
• Why is the egg yoke in the center of the egg when you hard boil it?

If LIGO did find gravitational waves, what does that imply about unifying gravity with the current standard model? Posted: 12 Jan 2016 05:56 AM PST I have always had the impression that either general relativity is wrong or our current standard model is wrong. If our standard model seems to be holding up to all of our experiments and then we find strong evidence of gravitational waves, where would we go from there? submitted by Kvothealar [link] [4 comments]

If Planck length is the smallest length possible, then isn't the smallest volume possible 1 cubic Planck length? Does this mean that the universe is made of tiny cubes? Posted: 12 Jan 2016 05:36 AM PST submitted by apinanaivot [link] [7 comments]

Can light, specifically visible light, destructively interfere? Posted: 12 Jan 2016 06:14 AM PST Sound waves can destructively interfere, so what about light? (Or gravity for that matter, since we /may/ have discovered gravity waves.) Is it possible for light waves to destructively interfere and cancel out the light? submitted by bredman3370 [link] [8 comments]

There is a bird inside a large cargo plane. Does the plane weigh less if the bird flies inside the plane? Posted: 12 Jan 2016 06:06 AM PST This question was asked here and the popular answer is that the downward pressure from the bird's wing would push against the floor of the plane and have the same effect as if the bird were standing on the floor. I argue that this pressure would mostly dissipate before reaching the floor and have minimal effect, and that the lift created by the bird's wing would nullify any effect it had on the weight of the plane. Any thoughts on this? submitted by demonspawn79 [link] [8 comments]

Can someone explain the Bell Test Experiments? Posted: 12 Jan 2016 03:32 AM PST Hi! My knowledge reaches a wall at a certain point. At the moment, my understanding is that, Bell performed an experiment to test if entangled elements were determined to look a certain way since the entaglement, and not a probability. For example, if we observed a spin-up particle, we knew for sure that the "partner" would be "spin-down".. My question is, WHAT did he try to prove? That the spin-down/up was determined before the observation, (which is wrong?) I have a hard time an explanation of the experiment, as a layman. submitted by Rolfenz [link] [comment]

What happens to Oceanic crust once it passes the Moho during subduction? Posted: 11 Jan 2016 02:59 PM PST In many of my upper level Geology classes, the professor can not answer the question. Nobody knows exactly what happens to the crust, whether it eventually all melts and diffuses into the mantle or if it makes it all the way to the outer core, to be melted there. Any thoughts? submitted by smacking_voodoo [link] [5 comments]

Is there a maximum distance at which the Earth's gravity can't affect an object? Posted: 11 Jan 2016 04:52 PM PST Is that something that we know? submitted by randomusername753 [link] [14 comments]

How does matter turn into energy? Posted: 11 Jan 2016 03:33 PM PST Wouldn't this imply at some point in time a particle goes from having mass to having no mass. The time it takes from going from some mass to zero mass must be finite surely? or is it something that occurs within planck time or just within the bounds of the uncertainty principle? a mass can't just go from non-zero to zero , because it would imply having some kind of acceleration and massive objects can't just go to the speed of light at the flick of switch. So what is the process? do we know or is it just a kind of black box scenario. Even something like fusion, does that imply two hydrogen atoms fuse, do the gluons in the reaction just not end up in the reaction not make mass and gluons just 'fly away' as a gamma ray burst or something high energy? submitted by auviewer [link] [15 comments]

If half of the matter falling in to a black hole during Hawking Radiation emission are anti particles and half are their particle counterparts, why does it cause the black hole to shrink? Posted: 11 Jan 2016 12:55 PM PST Why aren't the effects of particles and anti particles netted out? submitted by Joker042 [link] [18 comments]

What causes certain molecules to form dipoles? Posted: 11 Jan 2016 05:46 PM PST Why does H2O not form a straight line to avoid having strange charges? submitted by Superchook [link] [4 comments]

Can there be such a distance function? Posted: 11 Jan 2016 10:24 AM PST I want to know about a special distance function. I know the properties of a normal distance function, in any space, but one has recently drawn my attention: the triangular inequality. The triangular inequality can be explained the following manner (if I understand correctly): given A,B and C 3 points in some space and D a distance function in this space, than the following statement is true: D(A,B) <= D(A,C) + D(C,B). My question is: can there be a distance function for which the following statement is true: given A,B and C 3 different points then D(A,B) < D(A,C) + D(C,B)? If yes, which one, how? If no, why? Edit: Thanks everyone for the answer. I didn't realize so weird distances and metrics can be useful, I just thought it is a weird question to think about. Well, you learns something everyday! submitted by mihai_andrei_12 [link] [8 comments]

On nutrition labels, why are sugars and carbohydrates listed as two separate entities? Posted: 11 Jan 2016 08:36 AM PST submitted by Terry_Crews [link] [8 comments]

How can an atmosphere and near-infinite vacuum exist next to eachother? Posted: 11 Jan 2016 09:37 PM PST submitted by gentlebranch [link] [6 comments]

Do you think particle entanglement would enable scientists to "see" into black holes? Posted: 11 Jan 2016 09:07 PM PST Because theoretically we could beam entangled particles at high speed to scan things from far away. Sounds cool, but is it feasible? submitted by Queuevious [link] [7 comments]

What is the possibility of the current fracking in Northern BC causing catastrophic damage? Posted: 11 Jan 2016 05:08 AM PST Just heard that the earthquakes are growing stronger the latest being 4.8, what is the possibility of the fracking to get to a catastrophic level? If they do decide to stop fracking, would the earthquakes continue to grow or would they stop? What kind of fallout can we except for the current direction of the fracking happening? submitted by MightyMorph [link] [3 comments]

Why is the egg yoke in the center of the egg when you hard boil it? Posted: 11 Jan 2016 06:16 AM PST If you open a raw egg, the yoke and white part are different consistencies, and I assume different densities. Why does the yoke float right in the middle when the egg is hard-boiled instead of rising to the top or falling to the bottom of the egg? Even if the yoke and white part have the same densities, wouldn't the yoke have just as good of chance at being along the top, bottom, or sides? Every hard-boiled egg that I've seen has the yoke right in the middle. submitted by kelvincore [link] [10 comments]

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Does passing light though a prism in space or water or ice change the separation of colors?

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• Does passing light though a prism in space or water or ice change the separation of colors?
• Why is the amount of work required to accelerate a body from 10m/s to 20m/s three times the work needed to accelerate a body from 0m/s to 10m/s?
• Is there a height limit to building skyscrapers?
• Why wouldn't matter falling into a black hole decrease entropy in the universe?
• A twist on the question "Why doesn't the moon fall into the earth?"
• If two ships travel at higher then 0.5C away from each other, would light from one ever reach the other?
• How come, e can be proven in so many different ways? What is so significant about 2,718..?
• What are cooper pairs ?
• There's a glass of water on a perfectly flat and horizontal surface. Is the top of the surface of the water perfectly flat too? If not, what is the maxium height difference of its particles at the top?
• How can a river originate in a swamp?
• Can someone explain why this doensn't/can't work? (perpetuum mobile, metalball in a wheel+magnet)
• How is the Contraluz Opal formed?
• How do insects such as ants and bees not suffer the same consequences of inbreeding as other animals such as Humans?

Does passing light though a prism in space or water or ice change the separation of colors? Posted: 11 Jan 2016 03:13 AM PST Textbook section on refraction: "A change in direction of a beam of electromagnetic radiation at a boundary between two materials having different refractive indices. It is refraction at the interface between glass and air that causes a prism to bend light and for a lens to focus it." Replace the two boundaries with whatever you like, will it change the results? submitted by Kolle12 [link] [9 comments]

Why is the amount of work required to accelerate a body from 10m/s to 20m/s three times the work needed to accelerate a body from 0m/s to 10m/s? Posted: 10 Jan 2016 06:37 AM PST The kinetic energy of a body moving at 10m/s is 50*mass and the kinetic energy of a body moving at 20m/s is 200*mass. The work required to accelerate the body from 10 to 20m/s is 200-50=150*mass, or three times the 0-10 acceleration. This seems really counterintuitive because it would seem that as the body gets faster it is harder to accelerate it further i.e. you would need to do more work. What does the force acting on the body care about the speed at which the object is moving if it just wants to accelerate it another 10m/s? What am I missing here? (I know that the formulae say that it behaves this way but I just can't grasp it.) submitted by Roflmaster97 [link] [318 comments]

Is there a height limit to building skyscrapers? Posted: 10 Jan 2016 07:54 AM PST submitted by Veranski [link] [475 comments]

Why wouldn't matter falling into a black hole decrease entropy in the universe? Posted: 10 Jan 2016 07:36 AM PST This video https://www.youtube.com/watch?v=gS_C7dM25pc states that entropy in a closed system must stay the same or increase, and implies that one form of low entropy is a neat arrangement of matter. If matter in a black hole is arranged at a single point and therefore very orderly, how does matter falling into a black hole obey the rule of same or increasing entropy? submitted by servel333 [link] [84 comments]

A twist on the question "Why doesn't the moon fall into the earth?" Posted: 10 Jan 2016 04:31 PM PST If my frame of reference is above the earth and moon looking directly down, such that the orbit of the moon is (for the sake of argument) a circle around the static earth, and is rotating at the same angular speed as the orbit of the moon so that it too is static, then why wouldn't the moon get pulled into the earth by the gravitational pull. submitted by diggerballs [link] [14 comments]

If two ships travel at higher then 0.5C away from each other, would light from one ever reach the other? Posted: 11 Jan 2016 06:34 AM PST Basically title. From my understanding, I believe the answer would be no, but just want clarification. submitted by Mashanny [link] [2 comments]

How come, e can be proven in so many different ways? What is so significant about 2,718..? Posted: 10 Jan 2016 11:52 AM PST submitted by nw24 [link] [14 comments]

What are cooper pairs ? Posted: 10 Jan 2016 06:41 PM PST Title says it all submitted by WhoCanIBecome [link] [6 comments]

There's a glass of water on a perfectly flat and horizontal surface. Is the top of the surface of the water perfectly flat too? If not, what is the maxium height difference of its particles at the top? Posted: 10 Jan 2016 11:53 AM PST It seems flat and all, but since water is made of molecules with a non-zero size, there must be some difference, right? submitted by vbnjuio [link] [9 comments]

How can a river originate in a swamp? Posted: 10 Jan 2016 09:44 AM PST For example, the Ashley River in Charleston, SC originates in a large inland swamp and eventually empties into the Atlantic. How does this decently sized river constantly emptying the swamp water never "run out"? submitted by vinethatatethesouth [link] [4 comments]

Can someone explain why this doensn't/can't work? (perpetuum mobile, metalball in a wheel+magnet) Posted: 10 Jan 2016 01:43 PM PST LINK: https://www.facebook.com/fizikist/videos/943426745706464/ I'm pretty confident that this is not the solution to the worlds energy problem and therefore also no perpetuum mobile. But can someone please give me the scientific explanation why and how this doesn't/can't work? Greetings R. PS: sorry that this is a facebook link, but got no other source submitted by JustOutOfCurioCity [link] [4 comments]

How is the Contraluz Opal formed? Posted: 10 Jan 2016 11:37 AM PST How exactly is the Contraluz Opal or other similar gems formed? submitted by icolley45 [link] [comment]

How do insects such as ants and bees not suffer the same consequences of inbreeding as other animals such as Humans? Posted: 10 Jan 2016 02:35 PM PST I was under the impression that all bees in a colony share the same mother: the queen. Doesn't that cause an extreme lack of diversity in their gene pool? That kind of inbreeding causes an array of problems in humans. submitted by datorangeguy [link] [1 comment]

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