Are rings exclusive to gas planets? If yes, why?

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• Are rings exclusive to gas planets? If yes, why?
• Could quantum entanglement be used for communication if the two ends were synchronized?
• If you point a very focused and EXTREMELY powerful torch at a very sensitive weight scale, would it show anything at all?
• How can tungsten be a metal, but have *higher* electronegativity than phosphorus, which is a non-metal?
• When we say space is expanding, what is that relative to?
• When in high school I remember somebody telling me the fire us made of a different sate of matter (different being not solid, liquid or gas) called plasma. Is there any truth to this statement and if so what exactly is plasma?
• If neutrinos do not interact with regular matter, how would they behave in the presence of a black hole?
• Why are Saturn's rings a circle? Shouldn't they be elliptical like how the planets revolve around the sun?
• How fast is electricity?
• Do single neurons sleep?
• Why are deep ocean creatures so hard to find? Once they die do the animals not float to the top of the ocean to be found?
• How do we know about the matter-antimatter imbalance was 1.000.000 to 1.000.001 in the beginning of the universe?
• Why do many scientists believe that life on Earth was brought through panspermia? Why is that more feasible than life just arising on Earth on its own?
• Why do raisins taste different than grapes?
• Does the Many-Worlds Interpretation of quantum mechanics means that an infinite amount of matter and energy are being created?
• When some thing glows hot does some small part of it (matter) turn into light?
• Can you get vitamin D from the moon/moonlight?
• How are you able to show the relationship of flow rate on pressure drop being linear when in laminar flow and quadratic in turbulent flow?
• What are Charm Quarks? I'm having difficulty understanding what they are and their purpose.
• If something very unprovable happens to me ( when the lottery) is my chances of being struck my lightning in a thunderstorm lowered since an rare thing happened recently or is it not effected?
• Thought experiment: Is the expansion of space directly measurable?

Are rings exclusive to gas planets? If yes, why? Posted: 23 Nov 2015 09:10 AM PST submitted by EyeofEnder [link] [307 comments]

Could quantum entanglement be used for communication if the two ends were synchronized? Posted: 23 Nov 2015 08:15 AM PST Say both sides had synchronized atomic clocks and arrays of entangled particles that represent single use binary bits. Each side knows which arrays are for receiving vs sending and what time the other side is sending a particular array so that they don't check the message until after it's sent. They could have lots of arrays with lots of particles that they just use up over time. Why won't this work? PS I'm a computer scientist, not a physicist, so my understanding of quantum physics is limited. submitted by goda90 [link] [198 comments]

If you point a very focused and EXTREMELY powerful torch at a very sensitive weight scale, would it show anything at all? Posted: 24 Nov 2015 04:22 AM PST This is probably a dumb question, but I still want to ask, let's say the torch is 9999x more powerful than you thought it was after reading the title, and the scale is the most accurate and sensitive one possible. If the answer is absolutely 0, does this apply to microwaves, other EMR? (Let's also forget about the energy from the torch melting the scale or similar things) submitted by VoyJr [link] [2 comments]

How can tungsten be a metal, but have *higher* electronegativity than phosphorus, which is a non-metal? Posted: 24 Nov 2015 01:42 AM PST it's generally taught that metallic or non-metallic character is governed by the electronegativity of the element (for example), so what's the deal with tungsten (and the others...)? edit: gold is an even worse offender. submitted by usernumber36 [link] [3 comments]

When we say space is expanding, what is that relative to? Posted: 23 Nov 2015 11:18 PM PST Or is it somehow an intrinsic quantity of the space? submitted by ktool [link] [18 comments]

When in high school I remember somebody telling me the fire us made of a different sate of matter (different being not solid, liquid or gas) called plasma. Is there any truth to this statement and if so what exactly is plasma? Posted: 23 Nov 2015 08:36 AM PST submitted by NickShiers [link] [59 comments]

If neutrinos do not interact with regular matter, how would they behave in the presence of a black hole? Posted: 23 Nov 2015 08:47 PM PST submitted by loudmusicman4 [link] [3 comments]

Why are Saturn's rings a circle? Shouldn't they be elliptical like how the planets revolve around the sun? Posted: 24 Nov 2015 01:29 AM PST submitted by Sunflier [link] [3 comments]

How fast is electricity? Posted: 23 Nov 2015 07:50 AM PST No-one i've asked has been able to answer this, so i'll ask about it here. For example, if i put a button or transmitter at one point and a LED or some sort of receiver 100 meters (328.08399 feet) away, how long does it take to light the LED up or receiver to notice it? Of course, different materials conduct at various levels, but do you any of you have some examples at least? submitted by JebbeK [link] [58 comments]

Do single neurons sleep? Posted: 23 Nov 2015 10:14 PM PST Do individual separate neuron cells fall asleep in Petri dishes? What changes in an individual neuron after it has slept? How is this different from neurons sleeping together in a brain? Thanks submitted by oceanbluesky [link] [comment]

Why are deep ocean creatures so hard to find? Once they die do the animals not float to the top of the ocean to be found? Posted: 23 Nov 2015 09:54 PM PST I am curious about this because it seems like people have a really hard time finding giant squids or other creatures like that. When they die do the creatures sink? or are they lost in the ocean. submitted by -Wumbat [link] [3 comments]

How do we know about the matter-antimatter imbalance was 1.000.000 to 1.000.001 in the beginning of the universe? Posted: 23 Nov 2015 08:41 PM PST Why not any other kind of ratio? submitted by Wilc0NL [link] [2 comments]

Why do many scientists believe that life on Earth was brought through panspermia? Why is that more feasible than life just arising on Earth on its own? Posted: 23 Nov 2015 01:23 PM PST submitted by mathis4losers [link] [12 comments]

Why do raisins taste different than grapes? Posted: 23 Nov 2015 07:06 PM PST submitted by nonsensicalusername [link] [2 comments]

Does the Many-Worlds Interpretation of quantum mechanics means that an infinite amount of matter and energy are being created? Posted: 23 Nov 2015 09:43 PM PST submitted by marman [link] [3 comments]

When some thing glows hot does some small part of it (matter) turn into light? Posted: 23 Nov 2015 07:32 AM PST If matter and light are the same stuff... then if I heat up a hammer till it glows are bits of the hammer hitting my retina? submitted by outbackdude [link] [27 comments]

Can you get vitamin D from the moon/moonlight? Posted: 23 Nov 2015 07:50 PM PST submitted by pianorokker [link] [4 comments]

How are you able to show the relationship of flow rate on pressure drop being linear when in laminar flow and quadratic in turbulent flow? Posted: 23 Nov 2015 11:39 AM PST The equations i know of are the darcey-weisbach, and two friction factors; phi=8/Re and phi=0.00396/Re0.25. submitted by Axingro [link] [4 comments]

What are Charm Quarks? I'm having difficulty understanding what they are and their purpose. Posted: 23 Nov 2015 07:06 PM PST submitted by willj5784 [link] [7 comments]

If something very unprovable happens to me ( when the lottery) is my chances of being struck my lightning in a thunderstorm lowered since an rare thing happened recently or is it not effected? Posted: 24 Nov 2015 01:19 AM PST Of course my gut feeling says no but if feel like if you got 00 in roulette twice in a row it would be less likely than hitting 00 then hitting a non 00 number submitted by SerialExperimentsAmy [link] [6 comments]

Thought experiment: Is the expansion of space directly measurable? Posted: 23 Nov 2015 09:28 PM PST Please correct me if I'm wrong: As I understand it, somehow space is expanding and creating more space. At distance scales as large as the universe, this expansion is such that photons being emitted from distance objects (unobservable universe) will never make it to us -- space is being created between the photons and us faster than they can traverse. Is this expansion of space happening homogeneously? As a thought experiment: Could we measure it by a sending a very delicate, long, spring into space? It seems the longer the spring, the more it would be stretched by the expansion of space between the endpoints. Does the expansion of the universe affect planetary orbits? Shouldn't they drift further just slightly? submitted by options_questioner [link] [3 comments]

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What are the differences, if any, (chemically, activity-wise, etc.) in the brain between when having a dream and when having a nightmare?

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• What are the differences, if any, (chemically, activity-wise, etc.) in the brain between when having a dream and when having a nightmare?
• Photons of a specific frequency are absorbed by atoms. How precise must that frequency be?
• Why can't I look at a word without reading it?
• Why do my drawings in foggy windows reappear when the window re-condensates later?
• Can we heat a ball of iron enveloped by a dense layer of rock without heating the rock itself?
• Is there a relationship between Miosis/Mydrasis and treatment of glucoma?
• Where did all the carbon dioxide come from?
• Is the science community actively looking at ways to live with global climate change?
• Does any substance exist that has a triple point at STP or standard pressure?
• How are we sure that other galaxies, or even other solar systems, aren't made up entirely of anti-matter?
• If brains are so much more advanced than any other computer on known to man, why can even the cheapest calculators do math so much better than us?
• How fast does Henry's Law work?
• What's the maximum height I could survive a fall from, landing on a very soft material such as cotton wool?
• Why are so many energy equations of the form E=(1/2)xy^2? Kinetic, elastic, heat, capacitor and inductor energy all have this form. Even E=mc^2 is almost there.
• Why is infrared 'hotter' than other parts of the EM spectrum?
• Can we Re-measure Redshift to Prove Continued Expansion of the Universe ?
• How is .33 repeating, ACTUALLY the same as 1/3?
• Why doesn't the Moon's gravity seem to affect anything other than the ocean tides?
• How close could the moon orbit the earth and how big would it appear in the sky if it were that close?
• What is the difference between weak hypercharge and electric charge, and weak isospin and spin?
• How much force is exerted on my mirror if I am lighting it with a moderately strong flashlight from two meters?
• Is there a formula to calculate a nuclide's halflife, or is it all scientifically collected data?

What are the differences, if any, (chemically, activity-wise, etc.) in the brain between when having a dream and when having a nightmare? Posted: 22 Nov 2015 09:25 PM PST I'm aware it's all REM, but are there any differences? Side question: without access to my heart rate, respiration rate, etc. but with access to a brain scan, would an expert be able to tell if I was having a nightmare as opposed to a dream? (In case you're wondering: yeah, I just had a nightmare and am trying to calm down so I can go back to sleep...) submitted by ADudeLikeAnyOther [link] [32 comments]

Photons of a specific frequency are absorbed by atoms. How precise must that frequency be? Posted: 22 Nov 2015 09:10 PM PST I was taught that certain elements' electrons absorb and emit photons of specific frequencies. Well, how specific must the frequency be? Suppose an element X absorbs photons of frequency F. Would the atom absorb photons of frequency F+1? Given that atoms are moving / rotating / not actually in one place at one time, how does this absorption even occur? Wouldn't doppler shift cause the frequency to not ever be exactly F? Does the photon have to hit directly? submitted by options_questioner [link] [27 comments]

Why can't I look at a word without reading it? Posted: 22 Nov 2015 06:28 PM PST submitted by SoSpursy [link] [23 comments]

Why do my drawings in foggy windows reappear when the window re-condensates later? Posted: 22 Nov 2015 08:42 PM PST When windows get foggy they retain the last fog drawing/writing I made even though they lost their fog and regained it. This can last for months, in my experience. Shouldn't it be a clean slate every time? My only idea was that the oil on your hands gets on the windows and prevents it from condensating in those specific places, but this phenomenon occurs regardless of the material I wipe the window with. submitted by 2EZ4NAVI [link] [10 comments]

Can we heat a ball of iron enveloped by a dense layer of rock without heating the rock itself? Posted: 22 Nov 2015 10:54 PM PST I was admiring the prospects of humans inhabiting Mars and I started to wonder if it was possible to restart mantle convection. I know that it is much more complex than this, but is there a way to somehow pass energy though rock in some way to heat metal? If this was possible, do you think its feasible to drill down to a certain level and start passing energy to the center of a planet's core? I would like to think that this energy just needs to excite the planet's core more than it excites rock. submitted by spiteful_fly [link] [15 comments]

Is there a relationship between Miosis/Mydrasis and treatment of glucoma? Posted: 22 Nov 2015 08:50 PM PST mydriasis* title They say when giving a drug that cause miosis you are opening canal of schlemm and Increasing the drainage of aqueous humour thus lowering the intraocular pressure how is that ? how is constrictor or dilator pupillae connected to canal of schlemm? thanks submitted by AhmedosamaZ [link] [2 comments]

Where did all the carbon dioxide come from? Posted: 22 Nov 2015 07:20 PM PST There seem to be a lot of articles, such as this one , recently about cyanobacteria making oxygen when the Earth was still young via photosynthesis. They often talk about "the great oxidization event", but nobody ever talks about where the carbon dioxide came from. Where did the carbon dioxide come from? ( I tried searching Google, but all the results I read through talk about global warming and the current CO2 crisis, but they don't talk about ancient CO2 ) submitted by the_unix [link] [7 comments]

Is the science community actively looking at ways to live with global climate change? Posted: 23 Nov 2015 12:27 AM PST I ask because what I mostly hear in the medis is how we have to stop climate change and how we should be preventing from getting worse. To my mind, there isn't a way of stopping it or preventing it at this point. I don't think there is supposed to be. This planet works in cycles and we are in a climate cycle. I'm just curious if we as a planet are doing enough to understand how to live here when climate change continues. submitted by q31 [link] [10 comments]

Does any substance exist that has a triple point at STP or standard pressure? Posted: 22 Nov 2015 07:40 PM PST submitted by KnifeOfPi2 [link] [2 comments]

How are we sure that other galaxies, or even other solar systems, aren't made up entirely of anti-matter? Posted: 22 Nov 2015 01:30 PM PST I know that it's assumed that most of the universe at large is made of up regular matter, as opposed to anti-matter. How exactly do we know this without being able to interact with it? submitted by JimmyRecard51 [link] [12 comments]

If brains are so much more advanced than any other computer on known to man, why can even the cheapest calculators do math so much better than us? Posted: 22 Nov 2015 06:58 PM PST Our brains are more advanced than any other computer know to man, but why can even the cheapest calculators solve math equations faster and more accurate than us? How are calculators designed to do math in a way that we are not? submitted by brianjm_bandos [link] [18 comments]

How fast does Henry's Law work? Posted: 22 Nov 2015 09:28 PM PST I'm curious about how rapidly oceans eat carbon dioxide. But any model is complicated by weathering (if I understand the chemistry, more calcium/salt/iron "salt" from erosion means more ocean sequestration, but I can't source the linkage between rain, wind, erosion, and minerals, and then there is the role of life in the system) so any help on an abstraction is helpful to me. Assume the concentration of co2 in the air is 400 ppm. Assume the air is 25c. Assume pressure is 101.3 Kp. Assume I have a pool that is 1 hectare wide and long and 1 centimeter deep, and in my fantasy model, the concentration of carbon ion is 0 ppm. So that's 10 million liters of thin, still, 25c water. Assume that the water is sterile. How long does it take for the concentration of carbon ion in the water to match the carbon dioxide in the air? How long does it take for the system to reach equilibrium? Is this system really that sensitive to salt? If Sequestration is damn slow because Henry's Law acts damn slow, that's interesting. If sequestration is slow because precipitation is damn slow, that's another thing altogether. submitted by ohyesforsure [link] [4 comments]

What's the maximum height I could survive a fall from, landing on a very soft material such as cotton wool? Posted: 22 Nov 2015 07:45 AM PST Not the exact height, just the magnitude would be interesting. submitted by _random [link] [57 comments]

Why are so many energy equations of the form E=(1/2)xy^2? Kinetic, elastic, heat, capacitor and inductor energy all have this form. Even E=mc^2 is almost there. Posted: 23 Nov 2015 06:23 AM PST So as I've gone further into physics I keep seeing this pattern pop up. Many equations for energy have the form E=(1/2)xy2. That is half times a variable times another variable squared. Is there a reason for this pattern or just coincidence? I would have thought different forms of energy would have very different equations for the most part. submitted by nickmista [link] [1 comment]

Why is infrared 'hotter' than other parts of the EM spectrum? Posted: 22 Nov 2015 02:38 PM PST Visible light has a shorter wavelength (and is more energetic) than IR, so why is it IR that's associated with heat, as opposed to any other wavelength? This is a bit embarrassing, because I'm training to be a physics teacher and I suddenly confused myself while planning a lesson about radiation! submitted by razmataz08 [link] [10 comments]

Can we Re-measure Redshift to Prove Continued Expansion of the Universe ? Posted: 22 Nov 2015 11:45 AM PST Could the degree of redshift initially observed in specific distant galaxies that was considered evidence of an expanding universe be re-measured today. Why do that ? Just to confirm that the degree of redshift observed now is what whould be expected from those same specific galaxies based on the amount of time elapsed between then and now. If that degree of redshift has in fact changed according to a predictable formula (based on speed of expansion), that would provide yet another indication of the accuracy of the expansion theory. Right ? Has/will that be done soon ? submitted by rbrinko [link] [13 comments]

How is .33 repeating, ACTUALLY the same as 1/3? Posted: 22 Nov 2015 06:08 PM PST .33 repeating (in my mind) is not actually 1/3. it is in my understanding .33 is infinite. But, if I am right in understanding that.. 3 x (33...) < 1 I recognize that the suffix "repeating" is referring to an infinite distinction, which would mean (presumably) the "missing" .1nth percent will never be accounted for because of the nature of infinity. (Here's where I can't seemingly wrap my head around so bare with me...) What happens to that .1nth percent of data that is seemingly lost in calculations of what we understand as "1/3rd"? submitted by BradlyL [link] [34 comments]

Why doesn't the Moon's gravity seem to affect anything other than the ocean tides? Posted: 22 Nov 2015 09:18 AM PST Bonus question: do I weigh less when the moon is directly overhead? submitted by ChaucerianFraud [link] [10 comments]

How close could the moon orbit the earth and how big would it appear in the sky if it were that close? Posted: 22 Nov 2015 10:40 AM PST submitted by Mancomb_Threepwood [link] [5 comments]

What is the difference between weak hypercharge and electric charge, and weak isospin and spin? Posted: 22 Nov 2015 12:53 PM PST submitted by Twarren8178 [link] [6 comments]

How much force is exerted on my mirror if I am lighting it with a moderately strong flashlight from two meters? Posted: 22 Nov 2015 03:31 PM PST English is not my native language so you will have to excuse me and please ask if you did not understand. submitted by stultus1337 [link] [13 comments]

Is there a formula to calculate a nuclide's halflife, or is it all scientifically collected data? Posted: 22 Nov 2015 11:09 AM PST I'm starting to grok the table of nuclides, and there's nothing about halflife on the chart itself, only decay modes. Is there an absolute formula that gives us the expected picture, or is it all experimentally collected data? submitted by 4daptor [link] [6 comments]

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How does exposure to radioactivity affect the human body? In biological terms, what's the deadly process?

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• How does exposure to radioactivity affect the human body? In biological terms, what's the deadly process?
• If the universal speed limit doubled, what would change?
• How is it that when you have been in the dark for a long time then look outside when it's bright, it physically hurts your eyes? How can photons cause you pain?
• Do infants who are born deaf vocalize at birth?
• If we sent a telescope super far into space, could we technically see the past?
• What methods are used to determine the masses of galaxies?
• Does the size of your tongue increase the more you use it, like other muscles?
• Does the moon have an axis in which it rotates about? If not then what makes Earth have an axis and or moon not have one?
• Since the seminal vesicles release fructose in the seminal fluid, and drinking pineapple juice makes a mans semen taste sweeter, does drinking pineapple juice give more fructose to the sperm? Aka, does pineapple juice make your sperm more energetic?
• Can hitting your muscles make them stronger?
• When anticipating a loud noise, does the body do anything outside of instinctively cover the ears?
• Why do falling mortars seem to defy the Doppler effect?
• How do the massive engines used in things like cruise ships start up?
• What would be the thickness of a mobius strip?
• Do mountains have a larger height then what is currently defined; like icebergs? When should the definition of a mountain end? Should it be any curvature at colliding crusts even below sea level?
• Do other the other forces curve spacetime?
• In what sense is a black hole really a "hole"? Isn't it just a point in space with an absurdly huge mass?
• How does an airplane exceeding a set amount of G's at one point lead to permanently compromised frame, even after being able to fly and land?

How does exposure to radioactivity affect the human body? In biological terms, what's the deadly process? Posted: 22 Nov 2015 05:35 AM PST submitted by EquationTAKEN [link] [31 comments]

If the universal speed limit doubled, what would change? Posted: 21 Nov 2015 08:17 PM PST submitted by Imnooby [link] [11 comments]

How is it that when you have been in the dark for a long time then look outside when it's bright, it physically hurts your eyes? How can photons cause you pain? Posted: 21 Nov 2015 04:24 PM PST submitted by Tragicbeef [link] [9 comments]

Do infants who are born deaf vocalize at birth? Posted: 21 Nov 2015 06:49 AM PST submitted by veive [link] [5 comments]

If we sent a telescope super far into space, could we technically see the past? Posted: 22 Nov 2015 03:42 AM PST Obviously not the Roman Empire, but if we did could we see 2017 from 2018, or 5 mins into the past? Say if it were (theoretically) around the Andromeda galaxy or past the sun? submitted by OhBatman [link] [13 comments]

What methods are used to determine the masses of galaxies? Posted: 21 Nov 2015 11:03 AM PST submitted by khinkali [link] [7 comments]

Does the size of your tongue increase the more you use it, like other muscles? Posted: 21 Nov 2015 05:57 AM PST submitted by Flinnyboi [link] [8 comments]

Does the moon have an axis in which it rotates about? If not then what makes Earth have an axis and or moon not have one? Posted: 21 Nov 2015 07:31 AM PST Replace "or" with "our" submitted by Doodymanz24 [link] [29 comments]

Since the seminal vesicles release fructose in the seminal fluid, and drinking pineapple juice makes a mans semen taste sweeter, does drinking pineapple juice give more fructose to the sperm? Aka, does pineapple juice make your sperm more energetic? Posted: 21 Nov 2015 06:55 AM PST submitted by Hereibe [link] [1 comment]

Can hitting your muscles make them stronger? Posted: 21 Nov 2015 06:01 AM PST Hey AskScience! I was just reading about Wollf's law and was wondering if the same thing applied to your muscles? submitted by bovine_excrement [link] [6 comments]

When anticipating a loud noise, does the body do anything outside of instinctively cover the ears? Posted: 21 Nov 2015 05:54 AM PST Is there some sort of mechanism inside of the ears that can reduce sound damage, or are the hands just about it? submitted by -Dappertron- [link] [8 comments]

Why do falling mortars seem to defy the Doppler effect? Posted: 21 Nov 2015 10:26 AM PST In this video: @0:35, @0:56, @1:24. @2:21 the pitch of the dropping mortars sound lower as they fall closer to the soldiers. What exactly is going on here? submitted by kangaroorider [link] [18 comments]

How do the massive engines used in things like cruise ships start up? Posted: 21 Nov 2015 01:21 AM PST submitted by The_White_Light [link] [11 comments]

What would be the thickness of a mobius strip? Posted: 21 Nov 2015 03:20 PM PST EDIT: I've realized I meant to ask about the width of a mobius strip, not it's thickness submitted by Fresh99012 [link] [14 comments]

Do mountains have a larger height then what is currently defined; like icebergs? When should the definition of a mountain end? Should it be any curvature at colliding crusts even below sea level? Posted: 20 Nov 2015 11:36 PM PST submitted by sweepminja [link] [6 comments]

Do other the other forces curve spacetime? Posted: 20 Nov 2015 10:28 PM PST if not, why is gravity unique in this respect, do we even know? submitted by chunkylubber54 [link] [4 comments]

In what sense is a black hole really a "hole"? Isn't it just a point in space with an absurdly huge mass? Posted: 21 Nov 2015 09:01 AM PST I can't wrap my head around why black holes are supposed to be holes and not, say, spheres the size of a marble or a soccer ball. Don't they have a surface? submitted by Heavyweighsthecrown [link] [20 comments]

How does an airplane exceeding a set amount of G's at one point lead to permanently compromised frame, even after being able to fly and land? Posted: 21 Nov 2015 01:02 AM PST This is the article that led to my question: http://www.cnn.com/2015/11/20/politics/air-force-gunship-lost/index.html The plane was ok after the maneuver, and even landed ok. What factors lead it to be permanently incapacitated? submitted by Spectrezero [link] [9 comments]

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