What is Stable: Definition and 294 Discussions

A stable is a building in which livestock, especially horses, are kept. It most commonly means a building that is divided into separate stalls for individual animals and livestock. There are many different types of stables in use today; the American-style barn, for instance, is a large barn with a door at each end and individual stalls inside or free-standing stables with top and bottom-opening doors. The term "stable" is also used to describe a group of animals kept by one owner, regardless of housing or location.
The exterior design of a stable can vary widely, based on climate, building materials, historical period and cultural styles of architecture. A wide range of building materials can be used, including masonry (bricks or stone), wood and steel. Stables also range widely in size, from a small building housing one or two animals to facilities at agricultural shows or race tracks that can house hundreds of animals.

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  1. W

    Why reactive metal form stable compound?

    can someone explain to me why reactive metals will form stable compounds with strong bonds? any help will be much appreciated
  2. M

    Why objects at lagrangian points 4 and 5 are stable?

    why objects at lagrangian points 4 and 5 are stable? Thank you in advance!
  3. Amith2006

    Tracing the U(235,92) + Neutron Process to Final Stable Nuclei

    Homework Statement 1) In a sequential process, U(235,92) plus a neutron forms the compound nucleus [U(236,92)]* which then fissions; the fissions then produces decays. If the initial fission fragments are Ba(143,56) and Kr(90,36), illustrate a process leading to the final stable nuclei...
  4. T

    What determines whether or not a matrix is stable?

    Basically, I'm having difficulty understanding the concept of stability, I have reread the chapter in my book various times, but to no avail. Can anybody give a very brief overview in simplified terms as to what determines whether or not a matrix is stable. Thanks.
  5. S

    The atom's stable configuration

    Hi, I am new member of this forum, and I have one question for you. When the atom have 8 electrons in the last shell, why it have stable configuration? What makes the atom to be stable and what makes the atom to be reactive? I know few things about this. Generally speaking the CH2 molecule is...
  6. T

    Stable matrices and their determinants

    Homework Statement Consider a dynamical system x(t+1) = Ax(t),, where A is a real n x n matrix. (a) If |det(A)| > or equal to one, what can you say about the stability of the zero state? (b) If |det(A)| < 1, what can you say about the stability of the zero state? Homework Equations...
  7. D

    Proving Stable Set Size in Graphs with Average Degree d

    Homework Statement Show using a probabilistic method that a graph with average degree d has a stable set of cardinality at least n/(2d). I can't think of a probabilistic method that will do this.
  8. Loren Booda

    Confirming stable new elements?

    Trans-uranium element production is more often confirmed from decay products. But would such a new atom be overlooked if stable? Recently, element 118 occurred in one out of 1019 collisions, and was most readily detected by its signature radiation.
  9. P

    Stable equilibrium and net force

    "stable equilibrium" Homework Statement Is there a difference b/w stable equilibrium and just equilibrium (of charged particles)? My homework problem exactly is: 2 small beads with charge +3q and +q each is fixed at opposite ends of a horizontal insulating rod. If a third charge is placed in...
  10. Q

    Required velocity for a stable orbit?

    Say we have two objects. One is at the origin with mass = 1kg, the other is X meters away with mass 0.1kg Is there a way to calculate the velocity required to form a stable orbit, depending on the distance of the smaller object?
  11. ZapperZ

    Nuclear waste storage container may not be as stable

    This is not a very comforting new. It appears that one of the ceramic material used for storing nuclear wastes http://www.nature.com/news/2007/070108/full/070108-6.html" than first thought. The damage done by the emitted radiation, especially from alpha and its collision byproducts, are damaging...
  12. R

    What are the conditions for stable equilibrium of a cube on top of a hemisphere?

    Homework Statement A cube of sides B sits ontop of a hemisphere of radius R. Determine the conditions such that the cube is in a stable equilibrium. Homework Equations A stable equilibrium is one in that the second derivative of the potential energy function is positive. U = mgh...
  13. S

    Most Stable Isomer: Ortho, Meta, or Para Benzene?

    Which of the following is most stable. Ortho, meta, or para benzene? Also, why is this the case. Thank you in advance
  14. H

    HELP: Stable sum and messurable space

    Hi I some need of urgent assistance to show the following: m(\epsilon) is stable under a countable sum. Please can somebody explain this to me? You Guys are my only hope ! Sincerely Yours Hummingbird25
  15. D

    Achieving Stable Levitation with Electromagnetism

    For an experiment I need to achieve a stable axis of permanent levitation. Due to how magnets function I can't exactly go about this a simple way and my best bet is to probably go with a sort of eletromagnetism. I was thinking about buying one of those $80 floating globes, taking it appart and...
  16. B

    Free neutrons are unstable: would a muon in say uranium be stable ?

    free neutrons are unstable: would a muon in say uranium be "stable"? free neutrons are unstable: would a muon in say uranium be "stable"? free neutrons decompose and have a half-life of about 15 minutes. neutrons bound in a nucleus, especially in a magic shell configuration like helium-4 or...
  17. S

    A Stable Wormhole: Exploring the Misnomer

    Help me out here. I have trouble understanding the concept of a stable wormhole formed by having a black hole on one end, and a "white hole" made of exotic matter at the other end, forming a topological donut linking two regions of sapce. that all sounds great, but a blacj hole is a misnomer...
  18. N

    Would this be a stable system?

    I just came across a question in another forum regarding the stability of a rather strange system. A huge methane-molecule-like system with the parent star in the place of carbon, and the planets in the place of H atoms (It's actually for a sci-fi story). If the planets moved in the same...
  19. T

    DE with Two Saddle Points: Finding an Explicit Example

    Suppose F and G are c^2 and F_x = F_y = G_x = G_y = 0 at the origin. Must the origin be an asymptotically stable equilibrium point? One more Give an explicit example of a DE with exactly two saddle points and no other equilibria. Anybody? Could I work backwards starting with the...
  20. G

    Electrostatics - charges in stable equilibrium

    We have a charge distribution in which all the charges are in equilibrium due to electrostatic forces . Can we prove that none of these charges will be in stable equilibrium ?
  21. marcus

    Reuter: plancksize black holes are stable

    weird result http://arxiv.org/abs/hep-th/0602159 Spacetime Structure of an Evaporating Black Hole in Quantum Gravity A.Bonanno, M.Reuter 23 pages, 7 figures MZ-TH/06-04 "The impact of the leading quantum gravity effects on the dynamics of the Hawking evaporation process of a black hole is...
  22. A

    Two Protons Colliding- Stable Nuclei?

    Hi, I'm new to this forum, so I'm sorry if I've posted this in he wrong catergory. Anyway, I'm studying AS physics at the moment and my teacher was giving the class some lessons about the strong nuclear force and electrostatic repulsion of nucleons making the nucleus stable. To get to the...
  23. C

    The Stable Universe: Human/Alien Intelligence & Time Travel Possibilities

    Leaving all knowledge aside for the moment... There seems to be two stable states for the universe 1. Void. There is no universe because there's no natural phenomena to bring it into existence. 2. An intelligent universe. Here the intelligence has devised a way of bringing itself into...
  24. N

    What Determines the Maximum Kinetic Energy for a Particle in a Bounded Region?

    say I'm givin the potential energy fxn V(r) = Eo [ (a/r)^3 - (a/r) ] Eo a constant After taking the derivatives to find the equilibrium pts and checking for stability we get r = sqrt(3)*a and this pt is stable r = -sqrt(3)*a and this pt is unstable Now let's pose the question...
  25. N

    Stable Equilibria: Is x = pie a Solution?

    Determine the location of the first postivve (x>0) stable equilibrium position for V(x) = = Vocos((2pie/lambda)x) eventually you will get sin(2pie/lambda)x) = 0 Is a solution for x pie?
  26. B

    Is Scyllitol the Most Stable Isomer of Hexahydroxycyclohexane?

    OK... We have 1,2,3,4,5,6-hexahydroxycyclohexane. A cyclohexane ring, with one -OH group on each carbon. Molecular formula: C_6 H_{12} O_6 (yes, a structural isomer of glucose!) The question: If all hydroxyls are in their equitorial positions, the name of the structure is 1,3,5/2,4,6 -...
  27. S

    Why is an atom with a full shell more stable?

    Hello, I am trying to understand why atoms have a tendency to completely fill their valence shell. What force attracts the electrons in the first place and keeps them from flying off. There is very little explianation for this that I know of besides the 'happy' atom. Thanks, Scott
  28. U

    Is the choice of engineering stable enough?

    Hey I was wondering... I have been thinking about the various career options before me and I have thought a lot about engineering. I know that the work I would be doing sounds cool at least how it's been described. Yet I want to know somethings before I go further... 1. What aptitudes do...
  29. K

    Does the 3-body problem have stable solutions?

    Given 3- bodies of non-negleble mass, are there stable configurations or not. for example, Will a planet (with non-zero mass) orbiting 1000 au away from two stars 0.1 au apart eventually leave the system if you give it 10^9999999... years; or is the system stable for a truly infinete time...
  30. R

    Can Fission and Fusion Transform Radioactive Atoms into Stable Ones?

    Hi, i understand that fission breaks apart radioactive atoms into smaller 'slightly more stable' atoms.. and that this process continues until the atoms break down into stable atoms.. i have been wondering if a radioactive atom/isotope once broken down into a stable atom/isotope would...
  31. T

    Dark Matter need not be for a stable Universe Sez'an'amateur

    There are several scientists (including Stephen Hawking) who made calculations about our Galaxy rotation and mass... The only stable Milky Way construct they were able to come up with had to include in it's calculation the so called "Dark Matter" ... As I am a realist I just can take seriously...
  32. A

    News Can Socialism Provide a Stable Political Framework?

    Political Perspectives Hello loseyourname (and anyone else interested), I've copied your last entry in the 'Great Tragedies' thread as per my response there so we can continue this discussion: What you write here is very true, loseyourname. I must admit that if I had not grown up in the...
  33. B

    Creating Stable Wormholes: Is It Possible?

    how would you create a stable worm hole and if it is possibele how would you know where it would go to and if you could actualy put something like a remote control car through it.
  34. P

    Fixing Unstable Wheels in Autonomous Car Project

    Hello, I am trying to finish a project that uses 2 motors and 2 wheels of 3in in diameter each to produce an autonomous car (although we know it is not autonomous because I'm stupid) the problem is... the wheels tend to go up a bit and down a bit... is not stable... how can i make the...
  35. N

    Do photons keep atoms stable?

    I read recently that photons are largely responsible for why matter doesn't collapse in on itself!? For example, the electrons (negatively charged) and protons (positively charged) inside each of the atoms that make up our bodies should ordinarily attract each other and thereby cause us to...
  36. K

    What are some numerically stable forms of common mathematical expressions?

    Hi. I have an assignment lying around, in which I have to find numerically stable forms of some expressions. A few still elude me, so I was wondering if someone might have a suggestion. e^{x}-e This has large rounding errors if x is close to 1 sinh (x) - tanh (x) Large...
  37. S

    Completely stable nucleus question

    "completely stable nucleus" question The nucleus of a helium isotope contains 2 protons. I have just worked out the magnitudes of the electrostatic force and the gravitational attraction between the 2 protons. The question now reads "the nucleus is completely stable. Considering the...
  38. F

    Stable Particles: Exist in String, QM, GR Theories?

    Do stable particles exist in any of the accepted theories such as string, Qm, GR or any others?
  39. T

    Is Proton Decay the Key to Understanding the Universe's Reverse Big Bang?

    Why is the half-life of a proton, what it is? Can any branch of Mathematics or Physics explain it or predict it. I have asked myself these very same questions many times before. We are closer to finding, a tachyon than a proton-decay. Not that I am complaining since proton decay...
  40. E

    Is the Proton's Half Life Really 10 to the Power of 32 Years?

    Hi I've been reading websites about particle physics recently, and in some places they say the proton is stable and others they say it is unstable, with a half life of 10 to the power of 32 years. I know it is the most stable baryon. The only possible decay I've read about is a proton...
  41. Monique

    Mitochondrial genomes are very stable

    I was always thinking that the mitochondrial genomes are very stable, but now I am reading that they have an unusually high rate of mutation, which may contribute to many of the medical problems of old age. So which is true maybe it's that mitochondria are passed down from mother to child...
  42. T

    Exploring the Stable Properties of Lead

    Is it possible for this to happen? As far as I know the only way to change elements into other elements is through radioactive decay, and fusion and fission yeah yeah. But I also know that elements with atomic numbers higher then lead's tend to decay into lead and just kind of stop there...
  43. A

    Determining stable orbits for other stars

    Howdy, first post, good to be here. I'm sure it will be a learning experience. My question concerns planetary formation and planet orbits for other stars, specifically the star Vega. I'm having a "disagreement" with someone who claims that Vega's mass, diameter, and density prevents the...
  44. STAii

    Ionization Energy and Stable Ions

    Greetings ! I have a little question. My teacher was talking about stable ions some days ago, he wanted to explain why do we have certain stable ions in ionic compounds and we don't have other ions. For example, we notice that the stable ion of Na (in its compunds) is Na+1 and not Na+2 or...
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