Moon is in goldilocks zone but barren, what other criterions would declare a planet habitable?

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• Moon is in goldilocks zone but barren, what other criterions would declare a planet habitable?
• What in physics is fundamental?
• What happens inside the digestive system when a lactose intolerant person consumes dairy?
• How do cold blooded animals survive below freezing temperatures?
• We cook food so the heat kill bacteria - Does freezing to low temperatures work to kill bacteria too?
• Is a neutron star blue because of its immense gravity?
• Let’s say a planet is 200 light years away. How do we know? Do we actually keep a telescope pointed in that area for 200 years to get a reading? If not, why is information traveling faster than the speed of light?
• Can tensor cores be of any advantage to graphics rendering?
• Do people with thick hair just have more hair follicles of are they just thicker?
• Need help understanding the unification of the electric and magnetic forces into one?
• Can environmental factors change the half lives of radioactive elements?
• How does enthalpy, entropy, and Gibbs free energy all relate to each other?
• Can someone explain the galaxy rotation graph?
• What is the difference between actual exhaust velocity and effective exhaust velocity in a jet engine?
• How is energy conserved in negative resistance components?
• How “flat” is the universe?
• How many images does a CT scan produce?
• Do bugs shiver when cold?
• Is a CD-R a reliable timestamp for a file's creation date?
• Could the ISS cast a shadow on the moon during a lunar eclipse?
• How do you find an oxidation number from an atoms electron configuration?
• How does Bernoulli's Principle explain things like Water Jet Cutters which can be used to cut thick sheets of metal when it states that fast moving fluids have low pressure?

Moon is in goldilocks zone but barren, what other criterions would declare a planet habitable? Posted: 14 Nov 2017 06:22 AM PST Especially with reference to the discoveries being announced every few months by NASA via Kepler observations, I wonder how just finding a planet in habitable zone should mean nothing - as moon would be an anamoly without any atmosphere or a very weak magnetic field. What observations could be made that could predict if a planet is likely to be habitable or not submitted by /u/IndyxBrit [link] [comments]

What in physics is fundamental? Posted: 13 Nov 2017 07:46 AM PST Okay so I've had this question for a long time and got a variety of answers. If I were making a list of the fundamental laws of the universe, what equations, constants, and background knowledge would need to be on it? Would it just be Einstein's field equations and the standard model (can you write the standard model in one equation)? Would any equations that explain quantum or newtons laws be necessary or are these derivable from more basic laws? How bout the speed of light? Can everything we know be summed up in one equation like the photo posted? Thanks for any insight you can offer http://imgur.com/mWjeGca submitted by /u/mrlicciardi [link] [comments]

What happens inside the digestive system when a lactose intolerant person consumes dairy? Posted: 14 Nov 2017 05:37 AM PST submitted by /u/techturner22 [link] [comments]

How do cold blooded animals survive below freezing temperatures? Posted: 14 Nov 2017 05:26 AM PST I get that cold blooded animals take on the temperature of their environment and can deal with a wide range of body temperatures. From what I know, many of them decrease activity during winter when temperatures are lower. My question is specifically about temperatures below the freezing point of water. How can an organism survive it's body fluid changing from liquid to solid (especially since ice is less dense than water)? Or is there some mechanism or small amount of heating that prevents freezing of their fluids? submitted by /u/spacemonkeyzoo [link] [comments]

We cook food so the heat kill bacteria - Does freezing to low temperatures work to kill bacteria too? Posted: 14 Nov 2017 07:44 AM PST submitted by /u/Leeiteee [link] [comments]

Is a neutron star blue because of its immense gravity? Posted: 14 Nov 2017 05:24 AM PST In other words, is the light emitted by the star redshifted by its own gravity? How can we tell what the actual colour of the star is? Is observing how light from other sources bends around the star the only way to discern its mass? submitted by /u/mordego [link] [comments]

Let’s say a planet is 200 light years away. How do we know? Do we actually keep a telescope pointed in that area for 200 years to get a reading? If not, why is information traveling faster than the speed of light? Posted: 13 Nov 2017 08:43 PM PST submitted by /u/okocacola [link] [comments]

Can tensor cores be of any advantage to graphics rendering? Posted: 14 Nov 2017 01:54 AM PST So GPUs seem to have a big advantage in machine learning, and the newest GPU designs are incorporating tensor cores. I'm wondering if this it's going to be a major change in graphics architecture like unified shaders were years ago, or if the usage/design will just diverge and specialize. submitted by /u/willyolio [link] [comments]

Do people with thick hair just have more hair follicles of are they just thicker? Posted: 14 Nov 2017 05:02 AM PST submitted by /u/A_Broke_Teenager [link] [comments]

Need help understanding the unification of the electric and magnetic forces into one? Posted: 13 Nov 2017 04:56 PM PST I understand that a photon, as the gauge boson for the electromagnetic force, mediates the EM force through its exchange and that photons have oscillating vibrations on two perpendicular planes. I think I understand (at least superficially) that these oscillating vibrations are in the electric and magnetic fields and they self-propagate. But today I also read that general relativity plays a role in the unification of these forces, in that a magnetic force is an electric force viewed from another reference frame and vice versa. Are the magnetic and electric forces the same force viewed differently or are they distinct phenomena that arise from each other? I'm sorry if this is a nonsensical question. submitted by /u/37litebluesheep [link] [comments]

Can environmental factors change the half lives of radioactive elements? Posted: 13 Nov 2017 04:10 PM PST submitted by /u/FaustCarp [link] [comments]

How does enthalpy, entropy, and Gibbs free energy all relate to each other? Posted: 13 Nov 2017 01:47 PM PST Can someone summarize the effects on a reaction of changing the signs and magnitudes of delta G, delta H, and delta S in the equation Delta G= (Delta H)- (T)(Delta S) submitted by /u/TheASDFoundation [link] [comments]

Can someone explain the galaxy rotation graph? Posted: 13 Nov 2017 02:44 PM PST If you look at the Wikipedia page on galaxy rotation there is a graph that plots velocity against radius from the galaxy center. I get that the stars speed up of remain the same speed as they get further from the center which implies the existence of dark matter. What I don't get is that the theoretical graph of velocities should be v = sqrt(GM)/sqrt(r) bu Newton's laws. I don't understand why there is a maximum and then it recedes to 0 at the beginning of the graph (if the speed is supposed to approach infinity by Newton's prediction). submitted by /u/DVMyZone [link] [comments]

What is the difference between actual exhaust velocity and effective exhaust velocity in a jet engine? Posted: 13 Nov 2017 04:18 PM PST I'm asking because I've noticed that actual exhaust velocity is usually magnitudes lower than the effective exhaust velocity. Why is this? Also I know how to calculate effective exhaust velocity, but how exactly do you calculate actual exhaust velocity? Thanks submitted by /u/shmishmouyes [link] [comments]

How is energy conserved in negative resistance components? Posted: 13 Nov 2017 04:19 PM PST Power seems to be generated? But where do the joules come from? submitted by /u/okijhnub [link] [comments]

How “flat” is the universe? Posted: 13 Nov 2017 02:05 PM PST To my knowledge, planetary orbits in solar systems tend to align with their neighbors, so that they are nearly coplanar. Additionally, many galaxies take on relatively "flat" shapes. Does the observable universe follow the same pattern? That is, is there any tendency for the observable universe to be relatively larger in some dimensions than others? submitted by /u/thetgi [link] [comments]

How many images does a CT scan produce? Posted: 13 Nov 2017 04:51 PM PST submitted by /u/PM_ME_GUYS_IN_BOXERS [link] [comments]

Do bugs shiver when cold? Posted: 13 Nov 2017 03:36 PM PST submitted by /u/heptyne [link] [comments]

Is a CD-R a reliable timestamp for a file's creation date? Posted: 13 Nov 2017 05:43 PM PST Hi, I have a couple of CD-R discs that I recorded various Word documents, text files, and images into (on Windows), back in 2007. I figured that since the data couldn't be erased or modified it would be reliable proof that that was the date they were created. But now I know that you can change the computer's clock to make a fake date, etc. So my question is, would the CD-R contain some sort of metadata that couldn't be modified, and that could be accessed to prove that the files were created when they actually were? submitted by /u/CesarTheSalad [link] [comments]

Could the ISS cast a shadow on the moon during a lunar eclipse? Posted: 13 Nov 2017 11:09 AM PST I know that the lunar eclipse is red due to light refraction in Earths atmosphere. So if the ISS flew in the path of the refracted light, could we see a shadow? submitted by /u/gamer52599 [link] [comments]

How do you find an oxidation number from an atoms electron configuration? Posted: 13 Nov 2017 04:42 PM PST submitted by /u/BouncyOreo [link] [comments]

How does Bernoulli's Principle explain things like Water Jet Cutters which can be used to cut thick sheets of metal when it states that fast moving fluids have low pressure? Posted: 13 Nov 2017 12:18 PM PST Been trying to figure this out for a test, thanks in advance! submitted by /u/daytimefrogger [link] [comments]

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AskScience AMA Series: We are climate scientists here to talk about the important individual choices you can make to help mitigate climate change. Ask us anything!

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• AskScience AMA Series: We are climate scientists here to talk about the important individual choices you can make to help mitigate climate change. Ask us anything!
• If a person is allergic to domestic cats, would they also be allergic to wild cats (lions, bobcats, etc.)?
• When radio waves pass through objects, are they refracted like light through a glass of water?
• How close are we to utilizing graphene in everyday life?
• What are the velocities of the arms of the milky way?
• What does lava smell like?
• Why are there a whole bunch of islands on one side of the Ring of Fire (Japan, Philippines, Taiwan...) and not the other (the West coast of the Americas)?
• Has the initiative to “go paperless” by tons of companies and organizations had a noticeable impact on paper consumption in the US/worldwide?
• Why is our current understanding of gravity unable to explain the rotational speed of galaxies without adding unseen mass (via dark matter) to the equation?
• How does the USB port know what I connected to it?
• How far do you have to go to escape the gravity of our solar system?
• In industrial-scale recycling, how much non-recyclable material can be present in a batch of recyclable material before it becomes too difficult/inefficient to be viable?
• Is it possible for junk foods to make your body gain more weight than the actual weight of the food itself? If so, how does this happen?
• Is there a 1 to 1 ratio of electrons and protons in the universe? If not, then what is an estimated ratio between the two?
• What would happen if a pipe of theoretical size and strength was inserted into earths atmosphere from deep in space?
• How position location works is space (I mean something like GPS, but in space) and how accurate is it?
• What happens to all of the kinetic energy from matter falling into a black hole?
• What exactly goes on when a protostar turns into a star?
• Can fish and other gilled animals get "out of breath"?
• Why does your throat hurt when you are sick?
• Does the structure/properties of ice water change as the ice drops further below freezing?
• Does the Earth's mantel have currents like the oceans and atmosphere? i.e. A volcano erupts, does that effect the over all pressure?

AskScience AMA Series: We are climate scientists here to talk about the important individual choices you can make to help mitigate climate change. Ask us anything! Posted: 09 Nov 2017 04:00 AM PST Hi! We are Seth Wynes and Kimberly Nicholas, authors of a recent scientific study that found the four most important choices individuals in industrialized countries can make for the climate are not being talked about by governments and science textbooks. We are joined by Kate Baggaley, a science journalist who wrote about in this story Individual decisions have a huge influence on the amount of greenhouse gas released into the atmosphere, and thus the pace of climate change. Our research of global sustainability in Canada and Sweden, compares how effective 31 lifestyle choices are at reducing emission of carbon dioxide, methane, and other greenhouse gases. The decisions include everything from recycling and dry-hanging clothes, to changing to a plant-based diet and having one fewer child. The findings show that many of the most commonly adopted strategies are far less effective than the ones we don't ordinarily hear about. Namely, having one fewer child, which would result in an average of 58.6 metric tons of CO2-equivalent (tCO2e) emission reductions for developed countries per year. The next most effective items on the list are living car-free (2.4 tCO2e per year), avoiding air travel (1.6 tCO2e per year) and eating a plant-based diet (0.8 tCO2e per year). Commonly mentioned actions like recycling are much less effective (0.2 tCO2e per year). Given these findings, we say that education should focus on high-impact changes that have a greater potential to reduce emissions, rather than low-impact actions that are the current focus of high school science textbooks and government recommendations. The research is meant to guide those who want to curb their contribution to the amount of greenhouse gas in the atmosphere, rather than to instruct individuals on the personal decisions they make. Here are the published findings: http://iopscience.iop.org/article/10.1088/1748-9326/aa7541/meta And here is a write-up on the research, including comments from researcher Seth Wynes: NBC News MACH Guests: Seth Wynes, Graduate Student of Geography at the University of British Columbia in Vancouver, currently pursuing a Doctor of Philosophy Degree. He can take questions on the study motivation, design and findings as well as climate change education. Kim Nicholas, Associate Professor of Sustainability Science at the Lund University Centre for Sustainability Studies (LUCSUS) in Lund, Sweden. She can take questions on the study's sustainability and social or ethical implications. Kate Baggaley, Master's Degree in Science, Health, and Environmental Reporting from New York University and a Bachelor's Degree in Biology from Vassar College. She can take questions on media and public response to climate and environmental research. We'll be answering questions starting at 11 AM ET (16 UT). Ask us anything! -- Edit -- Thank you all for the questions! submitted by /u/AskScienceModerator [link] [comments]

If a person is allergic to domestic cats, would they also be allergic to wild cats (lions, bobcats, etc.)? Posted: 12 Nov 2017 08:38 AM PST submitted by /u/WiseCactus [link] [comments]

When radio waves pass through objects, are they refracted like light through a glass of water? Posted: 12 Nov 2017 09:19 PM PST submitted by /u/phort99 [link] [comments]

How close are we to utilizing graphene in everyday life? Posted: 12 Nov 2017 11:42 AM PST submitted by /u/-Relevant_Username [link] [comments]

What are the velocities of the arms of the milky way? Posted: 13 Nov 2017 05:09 AM PST I'm on a radio astronomy research team with my college, and I'm in charge of finding the velocities of the arms of the galaxy so that when we take data from telescopes we can analyze it (we're using a 40-foot national telescope). Can someone please explain how to do this? I'm having trouble knowing where to start, and my team leader is getting impatient. submitted by /u/loudlypagan [link] [comments]

What does lava smell like? Posted: 12 Nov 2017 08:58 AM PST How is it supposed to smell? submitted by /u/Asder17 [link] [comments]

Why are there a whole bunch of islands on one side of the Ring of Fire (Japan, Philippines, Taiwan...) and not the other (the West coast of the Americas)? Posted: 12 Nov 2017 11:02 PM PST I was looking at this map of seismic risk. I noticed the highest risk areas on the Americas were all the west coast and that there are not a lot of major islands there. I noticed that the highest risk areas on the Australasian side were all islands like Japan, Taiwan, Philippines New Guinea, New Zealand leaving the Mainland coasts of Asia and Australia relatively free of seismic risk. Why is this? submitted by /u/asdasasdass321 [link] [comments]

Has the initiative to “go paperless” by tons of companies and organizations had a noticeable impact on paper consumption in the US/worldwide? Posted: 12 Nov 2017 12:16 PM PST Not sure if this would go under social science or earth science. I've seen lots of companies and organizations in recent years push for "paperless" systems where everything is done electronically. Has this movement made an impact on paper consumption and pollution worldwide in a noticeable way so far? submitted by /u/okteej [link] [comments]

Why is our current understanding of gravity unable to explain the rotational speed of galaxies without adding unseen mass (via dark matter) to the equation? Posted: 12 Nov 2017 04:11 PM PST I have read that the the stars moving on the outside of galaxies would fly out of orbit at their speeds. Why is gravity not considered strong enough to keep them in orbit? submitted by /u/OpenSourceIntellect [link] [comments]

How does the USB port know what I connected to it? Posted: 12 Nov 2017 11:06 PM PST From what I understand/infer, the moment I plug in a device it starts by telling the computer what it is. The computer looks for a driver and then interprets the signals according to the driver. But, I don't really get what per say is being sent i.e is it a mac-address? some strings that it looks up? There has to be some standard coding that helps it narrow the search as to what the devices are correct?(if there is i would love if you could provide references) Also, say if I wanted to just write a program that told me what is currently plugged into my computer how would I go about doing it? submitted by /u/LazyFlop [link] [comments]

How far do you have to go to escape the gravity of our solar system? Posted: 12 Nov 2017 04:09 PM PST From my understanding, gravity is stronger the closer you are to a high mass object. Is there a distance when this force disappears? Is it possible that there is always some sort of gravitational force at work? submitted by /u/MercifulMaster [link] [comments]

In industrial-scale recycling, how much non-recyclable material can be present in a batch of recyclable material before it becomes too difficult/inefficient to be viable? Posted: 12 Nov 2017 09:01 AM PST By non-recyclable material, I mean the "wrong" type of material such as a banana peel in a batch of plastic recycling, some cardboard in metal recycling, etc. submitted by /u/Gentlemanchaos [link] [comments]

Is it possible for junk foods to make your body gain more weight than the actual weight of the food itself? If so, how does this happen? Posted: 12 Nov 2017 07:47 PM PST To clarify, do fat, sugars, calories, etc. interact with the human body in such a way that junk food weighing three ounces could make your body gain more than three ounces? Is this physically possible through the body's internal chemistry somehow? And, if so, how does this process work? submitted by /u/justranoutoffanta [link] [comments]

Is there a 1 to 1 ratio of electrons and protons in the universe? If not, then what is an estimated ratio between the two? Posted: 12 Nov 2017 07:45 PM PST submitted by /u/twopiequalstau [link] [comments]

What would happen if a pipe of theoretical size and strength was inserted into earths atmosphere from deep in space? Posted: 13 Nov 2017 12:35 AM PST submitted by /u/Zap_Rowsdower23 [link] [comments]

How position location works is space (I mean something like GPS, but in space) and how accurate is it? Posted: 12 Nov 2017 11:38 PM PST submitted by /u/vasili111 [link] [comments]

What happens to all of the kinetic energy from matter falling into a black hole? Posted: 12 Nov 2017 06:18 PM PST Assuming I understand them correctly, matter falls into the singularity at the local relative speed of light. What happens to all that kinetic energy when it reaches the center? Sorry if this is an uninformed question. submitted by /u/def_not_a_normie [link] [comments]

What exactly goes on when a protostar turns into a star? Posted: 12 Nov 2017 03:34 PM PST I get that fusion happens but the usual explanations just gloss over this. Do they expand, contract? What happens to the accretion disk? Nothing is ever explained besides "fusion happen". submitted by /u/CaptainSchmid [link] [comments]

Can fish and other gilled animals get "out of breath"? Posted: 12 Nov 2017 01:35 PM PST submitted by /u/Cassiuz [link] [comments]

Why does your throat hurt when you are sick? Posted: 12 Nov 2017 05:50 PM PST submitted by /u/mhocalate [link] [comments]

Does the structure/properties of ice water change as the ice drops further below freezing? Posted: 13 Nov 2017 01:02 AM PST submitted by /u/RoadtoVR_Ben [link] [comments]

Does the Earth's mantel have currents like the oceans and atmosphere? i.e. A volcano erupts, does that effect the over all pressure? Posted: 12 Nov 2017 02:08 PM PST submitted by /u/Pathography [link] [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

Does body temperature impact cognitive performance? If so, is there an optimal temperature?

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• Does body temperature impact cognitive performance? If so, is there an optimal temperature?
• How were the number of atoms in a mole determined?
• Are our brain's wrinkles unique to each individual like fingerprints or are they mostly the same shape with few variations?
• Does toasted bread contain less calories than normal bread?
• How is the metamorphosis of a caterpillar into a butterfly currently explained by darwinian evolution? or science in general?
• Do singers struggle to perform in cities with higher altitudes whilst on tour?
• If alcohol is a toxin, does that mean that inebriation and the after-effects of drunkenness is basically the body's response to a poisonous substance?
• When metal boils, does it release metal vapor in the bubbles?
• Correlation between cosmic microwave background and "snow flurry" on TV?
• What causes the motor whine in electric motors?
• If the stress-energy tensor generalizes stress and the metric tensor is analogous to strain for spacetime, is there a corresponding analogue of elasticity for spacetime?
• If all of the sound, light, motion, and heat that my computer produces eventually just become heat, is it just as efficient to heat my Room using the computer as with a space heater?
• What did ocean mollusks such as Clams evolve from?
• Why can some species only live in saltwater or in freshwater?
• Is it possible to plug the ends of a plasma filament in a linear theta pinch device by using a rectified AC pulse for the theta pinch field sandwiched between two static opposing magnetic fields?
• Why are airplane seatbelt buckles different from the ones in cars?
• What causes the crinkling sound in paper and some plastics?
• Does modern medicine impact evolutionary elimination of hereditary disease?
• Are both sides of DNA important in regards of mutations?
• If gravity can be described as the result of the curvature of space, why can’t other fundamental forces, such as Electromagnetism or the Strong Nuclear Force, be described in the same way?
• How many satellites are in space right now? And how long is their lifespan? Also, how are satellites already in space affected by technological progresses? Are they becoming outdated space trash but still functioning?

Does body temperature impact cognitive performance? If so, is there an optimal temperature? Posted: 11 Nov 2017 11:24 PM PST submitted by /u/DaffyD82 [link] [comments]

How were the number of atoms in a mole determined? Posted: 12 Nov 2017 01:08 AM PST I'm trying to do a bit of reading on this and what I've read so far doesn't seem to get at it. I get the definition of there being 6.02x1023 atoms in 12 grams of carbon 12, but how did they 'count' the atoms in those 12 grams? submitted by /u/yogononium [link] [comments]

Are our brain's wrinkles unique to each individual like fingerprints or are they mostly the same shape with few variations? Posted: 11 Nov 2017 05:27 PM PST submitted by /u/italienischdude [link] [comments]

Does toasted bread contain less calories than normal bread? Posted: 11 Nov 2017 03:20 PM PST submitted by /u/kiosdaemon197 [link] [comments]

How is the metamorphosis of a caterpillar into a butterfly currently explained by darwinian evolution? or science in general? Posted: 11 Nov 2017 06:47 PM PST submitted by /u/Connorrrrrrrrr [link] [comments]

Do singers struggle to perform in cities with higher altitudes whilst on tour? Posted: 11 Nov 2017 04:26 PM PST submitted by /u/Veritaserumtravel [link] [comments]

If alcohol is a toxin, does that mean that inebriation and the after-effects of drunkenness is basically the body's response to a poisonous substance? Posted: 12 Nov 2017 01:17 AM PST submitted by /u/JustinJSrisuk [link] [comments]

When metal boils, does it release metal vapor in the bubbles? Posted: 12 Nov 2017 06:34 AM PST submitted by /u/lt3179 [link] [comments]

Correlation between cosmic microwave background and "snow flurry" on TV? Posted: 12 Nov 2017 06:11 AM PST Once I have heared, that the black-white interfering signal on TV, which occur when you don't have a TV-signal (in my country it's called "snow flurry"), is due to the cosmic microwave background. Do someone know more about this? It makes sence to me if the TV-signal is in microwave range - but I don't know much about TV tech. submitted by /u/Spac3junkie [link] [comments]

What causes the motor whine in electric motors? Posted: 11 Nov 2017 07:32 PM PST submitted by /u/Direfulfoil23 [link] [comments]

If the stress-energy tensor generalizes stress and the metric tensor is analogous to strain for spacetime, is there a corresponding analogue of elasticity for spacetime? Posted: 12 Nov 2017 01:10 AM PST To preface, I apologize if this is an ill-phrased question. I'm a novice learning relativity. Since elasticity relates stress and strain, and since the Einstein Field Equations relate stress-energy-momentum to curvature (Ricci plus metric), I was wondering if relativity has its version of elasticity relating the two as one big tensor. I'm more interested in existence than utility, so I'd love to know about it even if it's an irreconcilably unwieldy object. submitted by /u/CobaltSthenia [link] [comments]

If all of the sound, light, motion, and heat that my computer produces eventually just become heat, is it just as efficient to heat my Room using the computer as with a space heater? Posted: 11 Nov 2017 03:52 PM PST I guess you lose some energy from the sound or from vibrations escaping the Room submitted by /u/Heymaaaan [link] [comments]

What did ocean mollusks such as Clams evolve from? Posted: 11 Nov 2017 07:23 PM PST I assume that clams, mussels and the like didn't start as organisms with large, hard shells, but hey evolved them. If so, what did they evolve from? submitted by /u/rslashstfu [link] [comments]

Why can some species only live in saltwater or in freshwater? Posted: 11 Nov 2017 06:53 PM PST submitted by /u/ShouldaBannedRhaast [link] [comments]

Is it possible to plug the ends of a plasma filament in a linear theta pinch device by using a rectified AC pulse for the theta pinch field sandwiched between two static opposing magnetic fields? Posted: 12 Nov 2017 04:24 AM PST I've come across a few studies in which attempts were made to increase the efficiency of linear theta pinch devices using solid plugs and one involving magnetic mirrors, but none involving static fields. I would expect a static field oriented in opposition to the induced field of the plasma to repel the ends of the filament. It would probably have to be ring shaped to prevent the filament from veering to the sides(similar to how a top is contained by a levitron) or require some other method of stabilization. The idea is simple but I can't find any information on past attempts so I figure there must be a reason it wouldn't work. Maybe if the static electromagnets were close enough together that the width of the chamber was greater than the length and the strength of the static fields relative to the theta pinch were tuned right(static fields should be stronger), the filament might reach equilibrium in a deformed torus shape(with a cross-section shaped like dragonfly wings or teardrops facing outward and no actual center hole) due to the geometry of the static fields and the compression, so a stabilizing mechanism might not be necessary. This might also mitigate the "wobble" instability. submitted by /u/stevp19 [link] [comments]

Why are airplane seatbelt buckles different from the ones in cars? Posted: 11 Nov 2017 03:38 PM PST Do the different designs make one better for a certain application than the other? Is it different safety standards? submitted by /u/dicktaphone [link] [comments]

What causes the crinkling sound in paper and some plastics? Posted: 11 Nov 2017 07:18 PM PST What is causing the sound? Are the polymers/fibres under pressure so once you move them they snap back and make a sound? submitted by /u/spybio [link] [comments]

Does modern medicine impact evolutionary elimination of hereditary disease? Posted: 11 Nov 2017 04:35 PM PST submitted by /u/Kelikaii [link] [comments]

Are both sides of DNA important in regards of mutations? Posted: 11 Nov 2017 03:50 PM PST If I understand it correctly mRNA is synthetized from only one side of the DNA spiral (3' -> 5') so according to me it is not important if there are mutations on the other side of DNA spiral (5' -> 3') because the RNA polymerase does not read it. For example the mutation on DNA base like [A T->C] = [A C] will be lost because mRNA will comprise only A. submitted by /u/limitedmtgfan [link] [comments]

If gravity can be described as the result of the curvature of space, why can’t other fundamental forces, such as Electromagnetism or the Strong Nuclear Force, be described in the same way? Posted: 11 Nov 2017 08:30 PM PST submitted by /u/TheCarlagas [link] [comments]

How many satellites are in space right now? And how long is their lifespan? Also, how are satellites already in space affected by technological progresses? Are they becoming outdated space trash but still functioning? Posted: 11 Nov 2017 01:56 PM PST submitted by /u/patrick-electric [link] [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