Is it possible to think of two entangled particles that appear separate in 3D space as one object in 4D space that was connected the whole time or is there real some exchange going on?

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• Is it possible to think of two entangled particles that appear separate in 3D space as one object in 4D space that was connected the whole time or is there real some exchange going on?
• How much shallower would the Oceans be if they were all devoid of life?
• Does antimatter produce electromagnetic radiation?
• What in quantum entanglement convinces scientists that the particle (and it's corresponding particle) state is only set during the moment of measurement?
• If I keep betting the same number in a lottery, do I have more chances at winning than if I choose different numbers each time?
• Is it possible to encapsulate flame retardants like one can encapsulate lead or asbestos?
• What makes certain types of cancer more common?
• In what form (or forms) are the thoughts of people who have congenital deafness? Are they purely visual? How is thought constructed?
• Is it possible to magnetize a hollow sphere such that one pole is the surface and the other pole is the interior?
• What does a rocket trail look like when it transitions from atmosphere to space? What does a rocket exhaust even look like in space?
• Is it possible to break the sound of roaring wind into its constituent frequencies?
• If an object were to travel faster than the speed of light, would there be a bright flash akin to a sonic boom?
• Is there anything wrong with this kinetic energy proof?
• Does conservation of momentum violate the conservation of energy?
• Is there anything (disease, condition, poison, etc) that can prevent hemoglobin from unloading its oxygen?
• Can you encrypt a message securely using only insertions?
• Twins Paradox from the perspective of the standing twin - My twin makes a round trip to Proxima Centauri at light speed. It would take about 8.5 years for light to PC travel to and back to Earth. Will the remaining twin be 8.5 years older than the travelling one?
• How do bacteria share resistance?

Is it possible to think of two entangled particles that appear separate in 3D space as one object in 4D space that was connected the whole time or is there real some exchange going on? Posted: 20 Nov 2015 06:53 PM PST submitted by phoenixprince [link] [193 comments]

How much shallower would the Oceans be if they were all devoid of life? Posted: 21 Nov 2015 07:05 AM PST submitted by Hoggzeh [link] [1 comment]

Does antimatter produce electromagnetic radiation? Posted: 21 Nov 2015 06:40 AM PST If so, how does it differ from electromagnetic radiation produced by traditional matter? submitted by ForTheMission [link] [2 comments]

What in quantum entanglement convinces scientists that the particle (and it's corresponding particle) state is only set during the moment of measurement? Posted: 21 Nov 2015 01:03 AM PST I'm trying to wrap my head around quantum entanglement phenomena, like that when you measure one of two far-away particles, they both are said to collapse the moment just one becomes measured. Is this true? Some explanations on Reddit used the metaphor of there being two hats in boxes, one green and one red, so if you took the two boxes far apart, then opened one of them, you immediately know the other hat's color. Yet in that metaphor, clearly the hats didn't just fall into that color state during the moment of opening, they were always that color (we just didn't know). Thanks! submitted by omniscu [link] [8 comments]

If I keep betting the same number in a lottery, do I have more chances at winning than if I choose different numbers each time? Posted: 21 Nov 2015 05:01 AM PST If the winning numbers are random, and my betting numbers are also random, then there are two random variables, meaning that there are fewer chances for me to win. However, if I keep betting the same number over an over, there is one fewer random variable in the equations, giving me more chances to win. Is this right? submitted by firelow [link] [13 comments]

Is it possible to encapsulate flame retardants like one can encapsulate lead or asbestos? Posted: 20 Nov 2015 06:51 PM PST For example, flame retardants in a polyurethane cushion used in furniture. submitted by clumsyfork [link] [2 comments]

What makes certain types of cancer more common? Posted: 20 Nov 2015 06:39 AM PST http://1.bp.blogspot.com/-q11yTxaH8z8/Uh-hfVrOVXI/AAAAAAAACIY/gY_0HbSWwVc/s1600/figure1_tcm77-289849.png Source:http://www.ons.gov.uk/ons/rel/cancer-unit/cancer-incidence-and-mortality/2008-2010/stb-cancer-incidence-and-mortality-in-the-united-kindom--2008-2010.html I was checking out that statistic and started wondering why cancer in small body parts like the prostate,rectum or the lips are diagnosed more often than, let's say, liver or stomach cancer which are much bigger organs. Does this relate to biases of the statistic (like smoking increasing the risk of lung cancer) or are there actual biological reasons for this? submitted by ProvingWrong [link] [13 comments]

In what form (or forms) are the thoughts of people who have congenital deafness? Are they purely visual? How is thought constructed? Posted: 20 Nov 2015 07:03 PM PST As a hearing person, I have an inner monologue in my own voice and in the imagined voices of others, but I wonder: what is going on in the heads of those who have never heard language? I am fascinated by the notion of this sensory experience of the world, visual, felt on the skin and in the bones (in gesture and proprioceptively). I also wonder: how do people with congenital deafness or profound hearing loss from infancy learn to read? submitted by 1CosMcCray [link] [5 comments]

Is it possible to magnetize a hollow sphere such that one pole is the surface and the other pole is the interior? Posted: 20 Nov 2015 09:21 AM PST submitted by GenL [link] [14 comments]

What does a rocket trail look like when it transitions from atmosphere to space? What does a rocket exhaust even look like in space? Posted: 20 Nov 2015 03:14 PM PST The smoke and gas that exits a rocket as it launches towards space is distinctive; what happens and what does it look like at that point where it transitions out of the atmosphere into space? Does it just become a trail of mist? Hell what would a rocket engine look like firing in space? It struck me the other day that I have never seen a picture of this anywhere except in movies and well I assume they are wrong. submitted by JJMcGee83 [link] [4 comments]

Is it possible to break the sound of roaring wind into its constituent frequencies? Posted: 20 Nov 2015 05:42 AM PST submitted by moduloflo [link] [15 comments]

If an object were to travel faster than the speed of light, would there be a bright flash akin to a sonic boom? Posted: 21 Nov 2015 02:24 AM PST Question says it all submitted by rookierror [link] [1 comment]

Is there anything wrong with this kinetic energy proof? Posted: 21 Nov 2015 02:02 AM PST http://i.imgur.com/ERMjiFP.jpg For a question in context, http://i.imgur.com/alEbOvm.jpg submitted by badorianna [link] [1 comment]

Does conservation of momentum violate the conservation of energy? Posted: 20 Nov 2015 11:43 PM PST assume that object 1 and object 2 are about to collide in ideal conditions; Object 1; Mass= 2 kG Velocity= 5 ms^-1 Momentum= 10 kgms^-1 Kinetic Energy= 25 J Object 2; Mass= 5 kG Velocity= -2 ms^-1 Momentum= -10 kGms^-1 Kinetic Energy= 10 J so after the collision the combined mass will be 7 kG, but what will the velocity be? 0 ms-1 due to momentum or root(10) do to Energy? where have I miscalculated? submitted by shadowz749 [link] [7 comments]

Is there anything (disease, condition, poison, etc) that can prevent hemoglobin from unloading its oxygen? Posted: 20 Nov 2015 09:06 AM PST Just learned how oxygen and carbon dioxide get transferred into/out of blood and wondered if a person could pass out or die from their oxygen not being unloaded into their cells. Not all oxygen is released from hemoglobin and I'm wondering if something can go wrong to prevent any oxygen from being released. (Maybe related) I learned that acidic conditions (caused by lactic acid in exercising muscles or the H+ ion provided by carbonic acid) can make hemoglobin release its oxygen more easily, so would alkaline conditions cause hemoglobin to hold onto its oxygen? Could this be so severe that very little oxygen is released? submitted by RhoBautRawk [link] [6 comments]

Can you encrypt a message securely using only insertions? Posted: 20 Nov 2015 10:03 AM PST Most ciphers use complicated substitutions to render a message of the same length that is undecipherable (012345 + key= 343297 -> DDF1BE) Could you make a cipher only by inserting random length strings of random letters (no substutions)? ((012345 + key= 343297 +random plaintext =85B8497E87856E497349C02A94FD9395A32280F341474A56D22BBACD98F5B8CA D990274F251E0A3BE8F47E62426939C3B6AD482C11B866A42E87984EA3D3FC1C -> 085B184972E8738546E497349C502A94FD Would it be decipherable and could it be strong? submitted by Beelzebubs-Barrister [link] [11 comments]

Twins Paradox from the perspective of the standing twin - My twin makes a round trip to Proxima Centauri at light speed. It would take about 8.5 years for light to PC travel to and back to Earth. Will the remaining twin be 8.5 years older than the travelling one? Posted: 20 Nov 2015 07:33 AM PST Most time I see people talking about light speed travel, they mention it from the perspective of the traveler. "The entire time of the universe will have gone by in 1s in light speed", or something like that. But the way I see it, if such travel was possible, no time at all would have passed to the traveler, while the time light would take to make the trip would have passed to the twin that stayed at home. This means near-light speed is basically travelling to the future? submitted by Calljengarmed [link] [12 comments]

How do bacteria share resistance? Posted: 20 Nov 2015 06:29 AM PST I saw a diagram in the news today - one bacterium became connected to another and a plasmid moved between them. It was cute Is the transfer itself really this simple? Two bacterium bump into eachother, and boom - multidrug resistance. What dictates the movement of DNA from one to another? How do they know they're getting the good stuff, and not some crappy gene mutation making them less resistant. submitted by idontlikeyonge [link] [6 comments]

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Is your skin and hair able to absorb and utilise vitamins and minerals from creams, lotions and shampoo?

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• Is your skin and hair able to absorb and utilise vitamins and minerals from creams, lotions and shampoo?
• Can an object experience time dilation from both gravity and its acceleration due to gravity at the same time?
• How dense are Saturn's rings?
• +'s and -'s used in tables/charts
• Do quantum particles experience time dilation?
• Why is Orion so visible?
• How do snakes move?
• What creates the space-time warp of a black hole?
• How do companies like Jack Daniels that make a product that needs to be aged for years predict how much product they will need in the future?
• When I feel like there's someone behind me but no one is there, what am I feeling exactly?
• How come if I boil scrambled eggs they're white, but yellow when I pan cook them?
• How would parthenogenesis in humans be deleterious to the mother?
• Why is the string of all integers Aleph-0?
• Why can't atomic bombs use neutron reflection to detonate?
• Do states of matter apply to single atoms or molecules of a substance?
• Is there any empirical evidence of false media reports causing long-term negative accepted norms?
• Are Photons matter? And do they have mass? How much mass do they have relative to electrons? Does a photon with more energy have more mass? How do we calculate the amount of mass tiny particles have?
• How would a spacecraft be able to communicate with earth when accelerating to near the speed of light?
• How do various materials/compounds become hazardous when they they release smoke from heating or are vaporized?
• Have astronomers found any stars that they are certain do not have planets orbiting them?
• Why do you only get sore after the first few consecutive days of physical activity?
• If we could send a satellite to a black hole are there ways to transmit information back?

Is your skin and hair able to absorb and utilise vitamins and minerals from creams, lotions and shampoo? Posted: 19 Nov 2015 05:42 PM PST submitted by uvelify [link] [71 comments]

Can an object experience time dilation from both gravity and its acceleration due to gravity at the same time? Posted: 19 Nov 2015 09:06 AM PST I know that a gravity field can cause time dilation for all objects in the field, even for those at rest. But gravity also sets objects in motion, and objects that are traveling at speed also experience time dilation. So can there be a double effect of time dilation due to gravity, say if an object is accelerating at a significant velocity towards a black hole with a very strong gravitational field? It just feels like double-counting if so. submitted by torchma [link] [114 comments]

How dense are Saturn's rings? Posted: 20 Nov 2015 04:45 AM PST If we were to physically enter them, would it be comparable to a plane entering clouds? Are they more gas like, sand like, gravel like, etc.? submitted by Diverdug [link] [3 comments]

+'s and -'s used in tables/charts Posted: 19 Nov 2015 01:15 PM PST I wondered what the +'s, ++'s and -'s mean in scientific papers when relating to the growth of microorganisms. I understand that + would mean growth and - would mean no growth, but would ++ mean increased growth then? I have added a picture as reference. In this example would this mean profuse growth of both Strep and Pneumococcus? Thanks for your help. submitted by sammd3 [link] [18 comments]

Do quantum particles experience time dilation? Posted: 20 Nov 2015 12:19 AM PST submitted by eoue [link] [2 comments]

Why is Orion so visible? Posted: 19 Nov 2015 09:24 PM PST I live in a very light-polluted city, yet this time of year Orion is clearly visible. Is this because its stars are close or exceptionally brilliant? Also, if I were on another planet in our solar system [all things being theoretically equal] would it look like Orion, or would my perspective skew its formation? submitted by Lubafteacup [link] [4 comments]

How do snakes move? Posted: 19 Nov 2015 09:52 PM PST How do snakes move forward? Watching them, it seems like they move forward by slithering their body back and forth, but I can't see how that moves them forward. submitted by Taz-the-spaz [link] [4 comments]

What creates the space-time warp of a black hole? Posted: 19 Nov 2015 09:12 PM PST I am currently reading Kip Thorne's The Science of Interstellar. In it, he says that the mass of the singularity at the center of a black hole is not what is responsible for the black hole's warping of space time. Instead he seems to say that the warping of space time is created by the energy of the warped space time. I can't really follow how he tries to explain this statement, so I was wondering if anyone could help break it down for me. Also, if the mass that is compacted into the singularity isn't what is warping space-time, what (if anything) is it doing. submitted by Irish_Domination [link] [1 comment]

How do companies like Jack Daniels that make a product that needs to be aged for years predict how much product they will need in the future? Posted: 19 Nov 2015 12:58 PM PST submitted by FORluvOFdaGAME [link] [8 comments]

When I feel like there's someone behind me but no one is there, what am I feeling exactly? Posted: 19 Nov 2015 10:01 PM PST submitted by FunnyAsFuck [link] [5 comments]

How come if I boil scrambled eggs they're white, but yellow when I pan cook them? Posted: 19 Nov 2015 08:58 PM PST Hi! I found this new technique of cooking scranbled eggs where you just beat the eggs and pour them into a pan of swirling, boiling water. It's delicious. But, it also makes the eggs white. OOn the flip side, an cooking eggs turns them yellow. What gives? If it helps, the texture is softer after the boiling method. Maybe the fact that water isn't lost during cooking causes the eggs to turn white? But how about some more technical explanation? Thanks! submitted by NosemaCeranae [link] [3 comments]

How would parthenogenesis in humans be deleterious to the mother? Posted: 19 Nov 2015 09:55 PM PST We were talking about the Ovarian Time Bomb Hypothesis in my medical genetics class when we hit the topic of parthenogenesis. If I understand correctly, the hypothesis says that genetic imprinting may exist to prevent the spontaneous development of a zygote from a primary oocyte. It was mentioned that this would be extremely dangerous for the mother if this happened. I'm curious as to why. The only thing I can think of is maybe it being an ectopic pregnancy (if it would even be called a pregnancy). NINJA EDIT: Words submitted by Wuh-Bam [link] [1 comment]

Why is the string of all integers Aleph-0? Posted: 19 Nov 2015 11:26 AM PST I know there's an explanation that if you lined up every single possible number between 0 and 1 in rows and made a string of digits where the ith digit is the ith digit of the ith row it would be a number not contained in any row but what's stopping you from just removing the decimal point and having an integer not in the set of all integers? submitted by chunkylubber54 [link] [28 comments]

Why can't atomic bombs use neutron reflection to detonate? Posted: 19 Nov 2015 09:09 PM PST Thanks to TV's Manhattan I learned about nuclear criticality experiments where neutron reflective material was placed around fissile material to inch it closer and closer to a chain reaction. While dangerous this method can't induce an atomic bomb type explosion. Why not? What would happen if fissile material was completely surrounded by neutron-reflecting material? submitted by redditless [link] [4 comments]

Do states of matter apply to single atoms or molecules of a substance? Posted: 19 Nov 2015 06:14 PM PST For instance, would you say that a single atom of Iron is a solid whenever its temperature is below its melting point? submitted by Msh225 [link] [11 comments]

Is there any empirical evidence of false media reports causing long-term negative accepted norms? Posted: 19 Nov 2015 09:55 PM PST With all the instant media there seems to be endless contradictions and reporting based on no credible sauce... Where is this leading us? submitted by PM_titties_pleeease [link] [5 comments]

Are Photons matter? And do they have mass? How much mass do they have relative to electrons? Does a photon with more energy have more mass? How do we calculate the amount of mass tiny particles have? Posted: 19 Nov 2015 07:52 PM PST I'm currently a high school student taking chemistry and physics, so please keep explanations relatively simple. submitted by eashwarthegreat [link] [15 comments]

How would a spacecraft be able to communicate with earth when accelerating to near the speed of light? Posted: 19 Nov 2015 09:36 PM PST Because electromagnetic waves propagate at the speed of light, if a deep space craft were to start on earth and accelerate to near the speed of light, how could communication be possible given the effects of time dilation? submitted by wafflemix86 [link] [3 comments]

How do various materials/compounds become hazardous when they they release smoke from heating or are vaporized? Posted: 19 Nov 2015 10:40 PM PST As in, melting plastics, various chemicals, and smoking submitted by oodan [link] [2 comments]

Have astronomers found any stars that they are certain do not have planets orbiting them? Posted: 19 Nov 2015 08:15 AM PST There's been a huge surge in finding exoplanets over the past few decades, and I assume (maybe incorrectly) that they are found around the nearest stars. Have we seen any stars that have no planets? submitted by dadoodleman [link] [13 comments]

Why do you only get sore after the first few consecutive days of physical activity? Posted: 19 Nov 2015 02:22 PM PST Being an athlete in a seasonal sport, I have an off-season. So I typically have about a week off after the season ends before I start working out again. Whenever I start working out (specifically running) after about a week off, my muscles get really sore the next day. I continue to work out every day, with increasing intensity for the first few weeks. However, after like the first 3 days, I don't get sore anymore. Why do muscles not feel sore the next day after multiple days of exercising them? Why don't they feel the same every time you put them through the same punishment? submitted by Gabe_20 [link] [1 comment]

If we could send a satellite to a black hole are there ways to transmit information back? Posted: 19 Nov 2015 06:54 AM PST submitted by set2jet [link] [41 comments]

You are subscribed to email updates from AskScience: Got Questions? Get Answers.. To stop receiving these emails, you may unsubscribe now.	Email delivery powered by Google
Google Inc., 1600 Amphitheatre Parkway, Mountain View, CA 94043, United States

can there be an arctic methane release large enough to cause an extinction level event and how long would that take?

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• can there be an arctic methane release large enough to cause an extinction level event and how long would that take?
• Why can't we handle division by zero the same way we handle the square root of -1?
• What is the relationship between Intelligence and Mental Illness? Are people "too smart for their own good"?
• Is it actually impossible for matter to occupy the same space, or is it just difficult due to repulsive effects of electromagnetism or some other force?
• The earth's crust is very hot at great depth; How can the ocean floor remain cold?
• I read somewhere that depression occurs due to chemical changes in the brain. What does it really mean and how true is that statement?
• How do our brains mark "the place where X happened" on our interior maps? Do positive and negative experiences store differently, or is it the strength of the emotion that counts most?
• Does time have a standard speed?
• Has there been a recorded case where a comatose patient has woken up claiming to be another person?
• How do computers work chemically/ atomically speaking?
• Is time dilation like a wave function collapse?
• Diapsids vs. Synapsids?
• Why is it that in the summer, I'm comfortable or sometimes too warm when it's 22 Celsius in my apartment, but in the winter, when it's still 22 in my apartment, I'm cold and my hands and feet are cold and numb?
• What is the limit to the number of particles that can become quantum entangled? Can molecules become entangled?
• Do prison inmates have higher than average levels of testosterone?
• Inverse Laplace transforms and complex integrals in statistical mechanics?
• How can two completely different things smell similar to the olfactory?
• What happens to our brain when we win or lose a game? Does the experience differ from person to person?
• What determines the "slipperiness" of a liquid?
• Do metals have a glass transition temperature?
• How could meat production result in higher levels of greenhouse gasses in the atmosphere?

can there be an arctic methane release large enough to cause an extinction level event and how long would that take? Posted: 18 Nov 2015 05:05 PM PST submitted by sue4e3 [link] [148 comments]

Why can't we handle division by zero the same way we handle the square root of -1? Posted: 18 Nov 2015 06:40 PM PST Define 1/0=m Three dimensional space with axes Real, Imaginary, m Using m whenever division by zero occurs may allow carrying through proofs until m cancels. Identities: If m = 1/0, 0*m=1 1/m = 0 submitted by speeedy23 [link] [135 comments]

What is the relationship between Intelligence and Mental Illness? Are people "too smart for their own good"? Posted: 18 Nov 2015 05:23 PM PST Is the brain being overly developed a cause for both? It seems like the two are related. Are we at a point where the brain is too smart for its own good and the complex world? Compared to that our brain didn't really evolve for modern thought and our society, just primitive survival. For example: 47% of graduate students suffer from depression. 10% of academics contemplate suicide. 3-4x more academics suffer from mental illness than general population. Higher rates of anxiety and social anxiety. Higher rate of alcoholism and drug abuse. More difficulty stay clean submitted by BigCommieMachine [link] [29 comments]

Is it actually impossible for matter to occupy the same space, or is it just difficult due to repulsive effects of electromagnetism or some other force? Posted: 19 Nov 2015 06:36 AM PST submitted by kwizzle [link] [3 comments]

The earth's crust is very hot at great depth; How can the ocean floor remain cold? Posted: 19 Nov 2015 12:40 AM PST Question I can't quite grasp- The ocean's floor, average 3.6 km depth, is 2-4 degrees C. Descending into the earth increases the temperature for, on average, 3 C every 100m, putting the earth's temperature 3,600m down at 108C. The average surface temperature of the ocean is 17 C. If the temperature of earth at such a depth should be higher, and the surface temperature is known to be higher, why would the ocean depths be so cold? (Sources may not be the most accurate, but as far as I can tell the core point still stands) submitted by JustSomeBadAdvice [link] [8 comments]

I read somewhere that depression occurs due to chemical changes in the brain. What does it really mean and how true is that statement? Posted: 18 Nov 2015 09:18 PM PST submitted by fkuser [link] [7 comments]

How do our brains mark "the place where X happened" on our interior maps? Do positive and negative experiences store differently, or is it the strength of the emotion that counts most? Posted: 18 Nov 2015 12:06 PM PST If I "look" at my personal interior map, there are little Google markers where events occurred. I can "see" the map from "above" and see all markers, or I can choose specific categories -- for example, wildlife sightings. "Here's where the baby moose came out of the bushes, here's where the black bear crossed the road right in front of me, here's where I finally spotted a bald eagle." The memories of good experiences are durable and will involuntarily pop up like sidebar ads when I physically pass through that spot. The memories of bad ones seem to store differently. I know where my cat died, where I had the car accident, but I don't as regularly remember the events when revisiting the places. Is the difference in how things are stored upfront? Does a brief surge of pleasure "set" a memory differently than a moment of pain? Or do all strong experiences set a marker, and we suppress the less pleasant on recall? Or am I totally off base and it all works quite differently from either scenario? submitted by japaneseknotweed [link] [5 comments]

Does time have a standard speed? Posted: 19 Nov 2015 06:38 AM PST I understand that time can be slowed due to intense gravity or intense velocity, but in a situation where time isn't affected by either of those, does it move at a fixed speed? Has it been measured? submitted by Levelagon [link] [3 comments]

Has there been a recorded case where a comatose patient has woken up claiming to be another person? Posted: 18 Nov 2015 06:30 PM PST I'm doing some research to a story i want to write where something like this happens. Any article will be very helpful. submitted by PostitMonkey [link] [1 comment]

How do computers work chemically/ atomically speaking? Posted: 19 Nov 2015 02:56 AM PST I know how computers work technology wise, but during a conversation with my friend about graphics cards, I wondered, "What makes one better than another chemically speaking? Or when I play a game what is happening on a chemical/molecular level in the screen and tower?" submitted by Senior_Fish_Face [link] [2 comments]

Is time dilation like a wave function collapse? Posted: 18 Nov 2015 06:45 PM PST Time dilation is relative: 2 space ships going at different speeds, and moving through empty space without any reference points or prior knowledge of their velocity would not be able to determine which of them is going faster or experiencing higher time dilation. A 3rd party observer would be able to make that distinction. Is this not similar to a wave function collapse? submitted by Wbjpen [link] [9 comments]

Diapsids vs. Synapsids? Posted: 18 Nov 2015 08:48 PM PST So I understand that diapsids have two temporal fenestrae while synapsids have one, but I've never really understood where on a mammalian skull this temporal fenestra is exactly. Is this where the sphenoid is located and you just can't see it? Is that true of all mammals? Thanks! submitted by Atelesita [link] [3 comments]

Why is it that in the summer, I'm comfortable or sometimes too warm when it's 22 Celsius in my apartment, but in the winter, when it's still 22 in my apartment, I'm cold and my hands and feet are cold and numb? Posted: 18 Nov 2015 10:08 AM PST submitted by GabTej [link] [7 comments]

What is the limit to the number of particles that can become quantum entangled? Can molecules become entangled? Posted: 18 Nov 2015 07:02 PM PST submitted by Stuck_In_the_Matrix [link] [1 comment]

Do prison inmates have higher than average levels of testosterone? Posted: 18 Nov 2015 10:27 PM PST Does this also apply to female criminals? submitted by GenericUsername16 [link] [4 comments]

Inverse Laplace transforms and complex integrals in statistical mechanics? Posted: 18 Nov 2015 06:18 PM PST I have never taken a complex analysis nor a mathematical methods course, so I'm struggling a little with the idea of inverse Laplace transforms. In my statistical mechanics course, we saw how the partition function Z(β) is the Laplace transform of the density of states. I understand that just fine, but what I don't understand is how to get a density of states as the inverse Laplace transform of Z(β). I know for simple ones I can just look them up in a table, but I'd like to understand how they're really calculated. I'm using the first equality in this as my definition of the density of states in terms of Z(β). So is β being treated as a complex variable? What does that mean physically? I see that the integral is taken over all of the imaginary part of β, so the end result will only depend on Re(β)? What is Re(β) now that β is complex? My professor briefly stated in class that you just "integrate along a contour to the right of all singularities." So do I just pick some vertical line that is further right than all singularities? Does it matter which line I pick? My undergraduate circuits professor went over Laplace transforms as well, and he briefly mentioned that you could use the residue theorem to solve inverse Laplace transforms? But my (probably wrong) understanding of the residue theorem is that you use it when your contour encloses a singularity. But if I'm just integrating along a vertical line, how can it enclose anything? I have tried referencing books to teach myself how to do contour integrals, but I learn better from lectures. If anybody has a link to some video lecture series about complex variables or specifically complex integration, I'd be very grateful. Thanks. submitted by brokenglassbubblegum [link] [3 comments]

How can two completely different things smell similar to the olfactory? Posted: 18 Nov 2015 09:57 PM PST The only example I can think of off the top of my head is pretty odd: there's a particular type of tree that smells like... dried semen. submitted by iamalactoid [link] [4 comments]

What happens to our brain when we win or lose a game? Does the experience differ from person to person? Posted: 18 Nov 2015 05:13 PM PST Whenever I play games, particularly online against other people, the rush I feel is so powerful and addictive. I immediately want to get that feeling again and I find it very hard to pull myself away from a game to do something productive. But when I lose, I have a similar rush and I tell myself, "That one didn't count" or "Just one more win and I'll be done". Does everyone experience this addictive rush? Do some people experience this more strongly than others? I've heard on podcasts about the 'near-miss' phenomena where the brain will interpret a near miss as a win. And how casinos exploit this to keep people gambling. submitted by something-magical [link] [comment]

What determines the "slipperiness" of a liquid? Posted: 18 Nov 2015 02:53 PM PST submitted by Foofymonster [link] [1 comment]

Do metals have a glass transition temperature? Posted: 18 Nov 2015 02:19 PM PST Glass transition happens in amorphous solids when heated. It's not a phase change like melting and freezing, but more like the gradual softening of a material once it hits a certain temperature. This phenomenon occurs in all amorphous solids (glasses). But then...what's with steel softening when you heat it to yellow? I've melted zinc with a small butane torch (while poking it with a steel nail periodically because I like experimenting and I'm a stupid person). I've also spent a week working in a forge for a weeklong intro-to-welding thing. I observed that the zinc doesn't seem to get softer before it melts. It's a solid, and then suddenly it's a liquid. But I've observed that steel does get softer and it becomes flexible (but not liquid) when it's heated to bright yellow. It's clearly neither a liquid nor a brittle solid, but steel does have a crystal structure so it can't possibly experience glass transition, right? submitted by tylerchu [link] [3 comments]

How could meat production result in higher levels of greenhouse gasses in the atmosphere? Posted: 18 Nov 2015 07:23 AM PST We read a lot about meat production leading to higher levels of greenhouse gases in the atmosphere. From my limited understanding this is mainly that the level of CO2 is getting higher and higher, thus carbon emissions? Now my thought was that since the animals we breed for food eat plants and plants grow by absorbing carbon from the air would this not just end up in a 1=1 game and no new carbon is introduced to the atmosphere? I gather the fact that maybe the rain forests are more effective than whatever we grow to feed the livestock and this might be one source of higher greenhouse gas levels but I still see stats regarding the dangers of the actual gas emitted from livestock in of themselves. submitted by haffelhoff [link] [13 comments]

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