What's the difference between an X-ray laser and a regular laser?

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• What's the difference between an X-ray laser and a regular laser?
• How many turns does the copper coil in a 2 MW wind turbine have?
• How does beta decay transform a proton into a neutron and other particles? Aren't neutrons more massive?
• [Astronomy]Is it possible that any of the objects on the solar system used to be in orbit around the star that birthed the nebula that birthed our sun?
• How do frogs avoid getting poisoned when they eat poisonous insects?
• When a photon is "absorbed" what happens to the photon and it's energy?
• How did we determine the contents within a Neutron Star?
• How do cells transfer from the fetus to the mother (Microchimerism)?
• Do butterflies remember being caterpillars?
• Do geologists know how high the highest mountains on Earth were in the past? Was there a time when it was significantly higher or lower than it is now?
• Would watching videos at 1.5 or 2x the speed affect learning?
• Physicist entangles the spin of 2 particles, A and B. If Physicist measures Particle A and finds "spin up" -- but Particle B is left undisturbed -- does B remain in superposition until measured? Or has B's wavefunction collapsed to "spin down" simultaneously with the measuring of A?
• In mediums other than a vacuum, different wavelengths of light travel at different speeds. Does this mean that a certain wavelength of light escapes the sun more often?
• Does battery charging time also decrease with battery capacity?

What's the difference between an X-ray laser and a regular laser? Posted: 12 Sep 2017 11:03 PM PDT Would there be any? submitted by /u/141_1337 [link] [comments]

How many turns does the copper coil in a 2 MW wind turbine have? Posted: 12 Sep 2017 08:13 AM PDT submitted by /u/Carpetman8900 [link] [comments]

How does beta decay transform a proton into a neutron and other particles? Aren't neutrons more massive? Posted: 13 Sep 2017 06:02 AM PDT I was researching about fusion, especially with Hydrogen into Helium and was wondering how the beta decay even occurs/happens when neutrons are larger than protons yet somehow the protons transform into neutrons and other particles? submitted by /u/JackTalle [link] [comments]

[Astronomy]Is it possible that any of the objects on the solar system used to be in orbit around the star that birthed the nebula that birthed our sun? Posted: 13 Sep 2017 07:24 AM PDT submitted by /u/DoubtingSkeptic [link] [comments]

How do frogs avoid getting poisoned when they eat poisonous insects? Posted: 12 Sep 2017 02:40 PM PDT submitted by /u/Heremhd [link] [comments]

When a photon is "absorbed" what happens to the photon and it's energy? Posted: 12 Sep 2017 10:34 PM PDT submitted by /u/SomeGuyYouKnow_ [link] [comments]

How did we determine the contents within a Neutron Star? Posted: 12 Sep 2017 12:42 PM PDT Upon watching a video about Neutron Stars, I wonder how we are able to calculate the contents within the Neutron Star without being near one. I presume we're using waves of the sort, but how is our current method of determining a Neutron Star's contents done and how is it considered reliable? submitted by /u/Zinx10 [link] [comments]

How do cells transfer from the fetus to the mother (Microchimerism)? Posted: 12 Sep 2017 02:13 PM PDT To my understanding, the body would reject foreign cells, so how and why would the body allow cells permanently? submitted by /u/OverweightRoshan [link] [comments]

Do butterflies remember being caterpillars? Posted: 12 Sep 2017 10:45 AM PDT submitted by /u/z1000j3wz [link] [comments]

Do geologists know how high the highest mountains on Earth were in the past? Was there a time when it was significantly higher or lower than it is now? Posted: 12 Sep 2017 07:19 PM PDT submitted by /u/Zemyla [link] [comments]

Would watching videos at 1.5 or 2x the speed affect learning? Posted: 12 Sep 2017 10:17 AM PDT I understand speed watching tv shows is becoming more popular but does it affect how our brain processes the information? For example if I choose to watch my university lectures at 1.5 the speed would this take away from retention. Does anyone know of any studies about this? submitted by /u/Aussie_bro [link] [comments]

Physicist entangles the spin of 2 particles, A and B. If Physicist measures Particle A and finds "spin up" -- but Particle B is left undisturbed -- does B remain in superposition until measured? Or has B's wavefunction collapsed to "spin down" simultaneously with the measuring of A? Posted: 12 Sep 2017 02:20 PM PDT Thank you kindly, geniuses. submitted by /u/fingurdar [link] [comments]

In mediums other than a vacuum, different wavelengths of light travel at different speeds. Does this mean that a certain wavelength of light escapes the sun more often? Posted: 11 Sep 2017 11:55 PM PDT This is in reference to the idea that photons bounce around in the sun's mantle for eons before they escape. Does faster speed increase the amount of collisions the photon goes through as well? Are photons of a certain wavelength more likely to exit because they have chances due to the greater number of collisions? submitted by /u/deecodes [link] [comments]

Does battery charging time also decrease with battery capacity? Posted: 12 Sep 2017 02:50 AM PDT submitted by /u/tommyzat [link] [comments]

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Why don't we force nuclear decay ?

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• Why don't we force nuclear decay ?
• How do some parts of the body know when to stop growing hair, at a certain length, like eyelashes and eyebrows?
• Could a meteor have struck Earth so hard as to dislodge soil or rocks, shoot them into the atmosphere, and spread life into space?
• What effects do muscle relaxants have on the heart, since it's also a muscle?
• Uncertainty in position allows a particle to tunnel from one position in space to another, could uncertainty in time (Energy-Time uncertainty) allow a particle to tunnel from one instance in time to another?
• Can egg born animals have twins?
• Does climate change affect the movement of tectonic plates? If so, how?
• Did the alleged discovery of metallic hydrogen in January 2017 turn out to be real?
• How can the size of a jigsaw puzzle be estimated when pulling pieces one at a time out of a bag at random, and on average how many pieces will need to be pulled before the exact size of the puzzle can be determined?
• Assuming it was ridged enough and there was enough liquid, can a straw be so long you simply couldn't drink through it?
• Why can't nuclear waste be reused?
• The dark side of the moon ?
• In a mixture containing several types of molecule, can you selectively transfer energy to only one type? (In any given mixture of molecules)
• Is it possible that life on earth has originated on more than one occasion?
• Has anyone ever made a star chart not from Earth's perspective, Alpha Centauri A for example? How much would it differ from Earth's chart?
• Are there elements elsewhere in space that don't appear on earth?
• In Rutherford's gold foil experiment, how we're the alpha particles fired at the foil?
• Is the accretion disc around a black hole an actual flat disc?
• Why are erupting volcanoes always shaped like mountains?

Why don't we force nuclear decay ? Posted: 12 Sep 2017 03:43 AM PDT Today my physics teacher was telling us about nuclear decay and how happens (we need to put used uranium that we cant get anymore energy from in a concrete coffin until it decays) but i learnt that nuclear fission(how me make nuclear power) causes decay every time the uranium splits. So why don't we keep decaying the uranium until it isn't radioactive anymore? submitted by /u/Memesupreme123 [link] [comments]

How do some parts of the body know when to stop growing hair, at a certain length, like eyelashes and eyebrows? Posted: 11 Sep 2017 04:48 PM PDT submitted by /u/Baskin5000 [link] [comments]

Could a meteor have struck Earth so hard as to dislodge soil or rocks, shoot them into the atmosphere, and spread life into space? Posted: 11 Sep 2017 09:59 PM PDT submitted by /u/rockylane [link] [comments]

What effects do muscle relaxants have on the heart, since it's also a muscle? Posted: 11 Sep 2017 12:54 PM PDT submitted by /u/TakeOnMe-TakeOnMe [link] [comments]

Uncertainty in position allows a particle to tunnel from one position in space to another, could uncertainty in time (Energy-Time uncertainty) allow a particle to tunnel from one instance in time to another? Posted: 11 Sep 2017 06:22 PM PDT If it could happen in some way analogous to standard quantum tunneling, there'd have to be some sort of confinement in time, though I'm not sure what could even mean. submitted by /u/iaswob [link] [comments]

Can egg born animals have twins? Posted: 11 Sep 2017 06:23 PM PDT submitted by /u/lordoftheraccoons [link] [comments]

Does climate change affect the movement of tectonic plates? If so, how? Posted: 11 Sep 2017 09:15 PM PDT submitted by /u/miranqa_ [link] [comments]

Did the alleged discovery of metallic hydrogen in January 2017 turn out to be real? Posted: 12 Sep 2017 04:39 AM PDT I remember reading about it and it was all over the news for a few days. There was some debate over whether or not they'd really discovered metallic hydrogen or not, and the scientists said they'd do follow up experiments and know for sure in a few weeks. Other scientists said they were going to replicate the experiment themselves anyway and find out in a few months, and then nothing seems to have happened in the 8 months since. submitted by /u/someguyfromtheuk [link] [comments]

How can the size of a jigsaw puzzle be estimated when pulling pieces one at a time out of a bag at random, and on average how many pieces will need to be pulled before the exact size of the puzzle can be determined? Posted: 11 Sep 2017 04:45 PM PDT If the pieces from a rectangular jigsaw puzzle of an unknown piece count are emptied into a bag and then pulled out one at a time at random, with an estimate on the total number of pieces in the puzzle being made after each piece is revealed, how should that estimate be calculated using the following information? Whether the piece pulled out is an edge, corner, or field piece. whether the piece pulled out connects to any piece(s) already pulled out. On average, how many puzzle pieces will it take before we can say with certainty the size of the puzzle? Assume the puzzle has no picture on it to help place the pieces, and that the pieces are laid out in the typical jigsaw puzzle format, with each piece being roughly the same size as all the others and the pieces arranged in a grid pattern with no duplicate pieces. Also, I'm sure the aspect ratio of the puzzle makes a difference, but I'm not sure how it would affect the process so I'll leave that open. submitted by /u/Senno_Ecto_Gammat [link] [comments]

Assuming it was ridged enough and there was enough liquid, can a straw be so long you simply couldn't drink through it? Posted: 11 Sep 2017 12:16 PM PDT submitted by /u/AskAboutMyDumbSite [link] [comments]

Why can't nuclear waste be reused? Posted: 11 Sep 2017 02:15 PM PDT From my understanding, uranium in a reactor decays into thorium, so why can't that process be redone until you get a stable element like lead (the end of the actinium chain) submitted by /u/TheHuffinPuffin [link] [comments]

The dark side of the moon ? Posted: 11 Sep 2017 11:04 PM PDT Have we ever had pictures of the other side of the moon and if not why? Surely a probe could have gotten pics with the sun facing the other side. submitted by /u/The-sauce_boss [link] [comments]

In a mixture containing several types of molecule, can you selectively transfer energy to only one type? (In any given mixture of molecules) Posted: 11 Sep 2017 03:04 PM PDT In spectroscopy, certain atoms or certain chemical bonds are known to absorb certain wavelengths of electromagnetic radiation. Does this extend to a larger scale? Do entire chemical structures have characteristic EM absorbances that might be used to selectively transfer energy to them in a mixture? Aside from EM waves, is there any other phenomenon in physical chemistry that could selectively transfer energy to them? A theoretical example of what I mean is having a glass of orange juice and using a beam (e.g. certain wavelength of light) that only interacts with vitamin C molecules without interacting with the remaining sugars, proteins, etc. submitted by /u/FrankLotion1 [link] [comments]

Is it possible that life on earth has originated on more than one occasion? Posted: 11 Sep 2017 12:13 PM PDT Today, I started wondering if its possible that life has originated multiple times. We often say that all life evolved has evolved from one common ancestor, but is it possible that there is more than one? For example, there is a common ancestor for all archaea, and a different one for eukaryotes, etc. submitted by /u/jaredaddy [link] [comments]

Has anyone ever made a star chart not from Earth's perspective, Alpha Centauri A for example? How much would it differ from Earth's chart? Posted: 11 Sep 2017 08:14 AM PDT submitted by /u/slimboy88 [link] [comments]

Are there elements elsewhere in space that don't appear on earth? Posted: 11 Sep 2017 12:38 PM PDT My history teacher was talking today about how Galileo determined that heavenly bodies are composed of the same materials as what appears on earth, not ether, as was previously believed. It just got me thinking about how, definitely the planets/stars are made of the same elements that occur on earth, but are there any elements that are exclusive to them that don't appear here? And if not, how did we discover that fact? Thanks in advance! submitted by /u/clevername-here [link] [comments]

In Rutherford's gold foil experiment, how we're the alpha particles fired at the foil? Posted: 11 Sep 2017 07:37 PM PDT submitted by /u/oscarthegrouch15 [link] [comments]

Is the accretion disc around a black hole an actual flat disc? Posted: 11 Sep 2017 09:31 AM PDT Is it somewhat similar in shape to Saturn's rings or is it a sphere at/just outside the event horizon the ? If a disc, is it aligned with the B.H. rotation plane? If not, what is it aligned with, the plane of the system it's ingesting matter from? Does it make a difference if it is a rotating or non-rotating B.H.? Are there any non-rotating black holes? submitted by /u/wearsAtrenchcoat [link] [comments]

Why are erupting volcanoes always shaped like mountains? Posted: 11 Sep 2017 01:34 PM PDT As in, why doesn't magma come out of the earth at any old tectonic fault line? And why don't we find a ton of "young" volcanoes that are spewing lava but haven't turned into recognizable mountains yet? submitted by /u/nicknamesofdaveryder [link] [comments]

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How does boiling water clean it? What can it NOT clean?

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• How does boiling water clean it? What can it NOT clean?
• Do cows produce a significant amount of greenhouse gases ?
• Do frequencies of a pitch begin as prime numbers in hertz measurements?
• How are PLGA nanoparticles produced?
• If cardinal directions on Earth (N, S, E, & W) derive from the planet's rotation, what would they be on the Moon, which doesn't rotate?
• After the continents separated from Pangea, they have been consistently moving since then in certain directions. How long will it take until the land masses (continents) have moved far enough to where the maps will look different?
• Is it possible for a planet to have an ocean without an atmosphere?
• How do I know if a molecule has energetically degenerate orbitals?
• How does NASA receive photos from satellites that are so far away?
• Why do we conduct hazard reduction burns of large areas at risk of bushfire instead of logging them for timber and pulp?
• What are the current treatments for antibiotic resistance patients?
• Why do the Carribean Islands lack good hurricane protection when they're located in the danger zone?
• How does Voyager 1 change its axis?
• How did chemical elements other than H and He come to exist?
• Do people who are paralyzed from the waist down still feel when they have to pee?
• Travelling in space and the smell. How have engineers conquered the smellier aspect of people living in a sealed container?
• can disorders such as those on the autism spectrum go away completely over time?
• When, approximately, will we have the first functioning fusion reactors?
• If matter and Energy are two sides of the same coin, and we have real life examples of matter converting to energy all the time (chemical reactions), do we have any naturally occurring examples where energy is converted to matter?

How does boiling water clean it? What can it NOT clean? Posted: 11 Sep 2017 06:16 AM PDT I remember reading about plastic microfibers in our water, can boiling clean that? submitted by /u/JustaLackey [link] [comments]

Do cows produce a significant amount of greenhouse gases ? Posted: 11 Sep 2017 04:15 AM PDT Was arguing with a vegan about being a vegan and she brought up the emissions from the agricultural industry more specifically the meat industry (cows). Is the emissions from just the cows actually a significant amount both on a globl scale and different countries? Sources would be nice submitted by /u/LIONEL_RICHIE1910 [link] [comments]

Do frequencies of a pitch begin as prime numbers in hertz measurements? Posted: 11 Sep 2017 09:00 AM PDT Ok that was badly phrased but i learning overtones are formed by a multiple of a frequency for a noise, do the lowest all pitches go in Hz start at prime numbers? for example, a frequency of 10Hz is an overtone of 5Hz but is 5Hz the lowest the frequency can go because it's a prime number? and if so do all pitches "begin" at a prime number? (apologies for any incorrect terms used, struggling to phrase it properly) submitted by /u/DarkSpark22 [link] [comments]

How are PLGA nanoparticles produced? Posted: 11 Sep 2017 07:03 AM PDT What is the protocol of preparing poly (lactic-co-glycolic acid) (PLGA) nanoparticles and what are the chemicals required for it? Apologies for being so specific.. submitted by /u/Kunal000 [link] [comments]

If cardinal directions on Earth (N, S, E, & W) derive from the planet's rotation, what would they be on the Moon, which doesn't rotate? Posted: 11 Sep 2017 06:31 AM PDT submitted by /u/SednaBoo [link] [comments]

After the continents separated from Pangea, they have been consistently moving since then in certain directions. How long will it take until the land masses (continents) have moved far enough to where the maps will look different? Posted: 11 Sep 2017 02:09 AM PDT submitted by /u/nothingisuniquehere [link] [comments]

Is it possible for a planet to have an ocean without an atmosphere? Posted: 10 Sep 2017 04:42 PM PDT submitted by /u/Susarn [link] [comments]

How do I know if a molecule has energetically degenerate orbitals? Posted: 11 Sep 2017 06:31 AM PDT Is there any fast way to see wether a molecule has two or more orbitals of the same energy? And further, is there any way to look at a structure of a molecule and determine what spin state it has? submitted by /u/MappeMappe [link] [comments]

How does NASA receive photos from satellites that are so far away? Posted: 11 Sep 2017 05:45 AM PDT submitted by /u/dolphin_menace [link] [comments]

Why do we conduct hazard reduction burns of large areas at risk of bushfire instead of logging them for timber and pulp? Posted: 10 Sep 2017 05:01 PM PDT Wouldn't it be better to not just burn all that carbon? submitted by /u/Limberine [link] [comments]

What are the current treatments for antibiotic resistance patients? Posted: 11 Sep 2017 05:21 AM PDT In a scenario where all antibiotics have failed. How are they being treated? -Do they strengthen the power of antibiotics with 'special coatings/ingredients' -Bacteriophage therapy , are they an endorsed method for now? (Since Georgia has been during it for a century with no known side effect?) -Any treatment with DNA manipulation? (any names for research purpose) -Would love to hear all possibilities Thanks so much in advance! submitted by /u/Shurikenger [link] [comments]

Why do the Carribean Islands lack good hurricane protection when they're located in the danger zone? Posted: 11 Sep 2017 03:36 AM PDT I'm not sure if protective infrastructure is really present, but they're clearly not working now, considering the vast devastation of Antigua and Barbuda. submitted by /u/rynrchn [link] [comments]

How does Voyager 1 change its axis? Posted: 10 Sep 2017 07:54 PM PDT submitted by /u/Gingijons [link] [comments]

How did chemical elements other than H and He come to exist? Posted: 10 Sep 2017 08:34 PM PDT submitted by /u/htraos [link] [comments]

Do people who are paralyzed from the waist down still feel when they have to pee? Posted: 10 Sep 2017 11:29 AM PDT Just out of general curiosity, I hope I don't come off as offensive or arrogant. submitted by /u/ButtsinGerman [link] [comments]

Travelling in space and the smell. How have engineers conquered the smellier aspect of people living in a sealed container? Posted: 10 Sep 2017 07:34 AM PDT Apollo 8 returned from its circumnavigation of the moon. When the rescue diver opened the door of the command module, he nearly wretched due to the smell emanating from Frank Borman, Jim Luvell, and Bill Anders. That was only after 6 days and some change in space. With astronauts being aboard the ISS for a year or more, how are the more smellier aspects of human life handled by on board systems? The more advanced waste facility obviously has a lot do with it. However, as we all know, not all human out gassing occurs during waste elimination. Not to mention natural body odor of each person. How have engineers managed this aspect of space flight? submitted by /u/Canopyflyer [link] [comments]

can disorders such as those on the autism spectrum go away completely over time? Posted: 11 Sep 2017 12:16 AM PDT submitted by /u/DarkSpark22 [link] [comments]

When, approximately, will we have the first functioning fusion reactors? Posted: 10 Sep 2017 01:08 PM PDT I just searched trough the subreddit but I haven't found a consistent approximation. But I must say that all the questions concerning nuclear fusion reactors are much more sophisticated than mine ;) Greetings submitted by /u/rues0 [link] [comments]

If matter and Energy are two sides of the same coin, and we have real life examples of matter converting to energy all the time (chemical reactions), do we have any naturally occurring examples where energy is converted to matter? Posted: 10 Sep 2017 07:56 AM PDT I understand that the The Large Hadron Collider at CERN would be an example, but it's man made. Until the LHC, did we have any natural examples of such change? submitted by /u/Hellion1982 [link] [comments]

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