What is Nature: Definition and 728 Discussions

Nature, in the broadest sense, is the natural, physical, material world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. Although humans are part of nature, human activity is often understood as a separate category from other natural phenomena.The word nature is borrowed from the Old French nature and is derived from the Latin word natura, or "essential qualities, innate disposition", and in ancient times, literally meant "birth". In ancient philosophy, natura is mostly used as the Latin translation of the Greek word physis (φύσις), which originally related to the intrinsic characteristics that plants, animals, and other features of the world develop of their own accord.
The concept of nature as a whole, the physical universe, is one of several expansions of the original notion; it began with certain core applications of the word φύσις by pre-Socratic philosophers (though this word had a dynamic dimension then, especially for Heraclitus), and has steadily gained currency ever since. During the advent of modern scientific method in the last several centuries, nature became the passive reality, organized and moved by divine laws. With the Industrial revolution, nature increasingly became seen as the part of reality deprived from intentional intervention: it was hence considered as sacred by some traditions (Rousseau, American transcendentalism) or a mere decorum for divine providence or human history (Hegel, Marx). However, a vitalist vision of nature, closer to the presocratic one, got reborn at the same time, especially after Charles Darwin.Within the various uses of the word today, "nature" often refers to geology and wildlife. Nature can refer to the general realm of living plants and animals, and in some cases to the processes associated with inanimate objects—the way that particular types of things exist and change of their own accord, such as the weather and geology of the Earth. It is often taken to mean the "natural environment" or wilderness—wild animals, rocks, forest, and in general those things that have not been substantially altered by human intervention, or which persist despite human intervention. For example, manufactured objects and human interaction generally are not considered part of nature, unless qualified as, for example, "human nature" or "the whole of nature". This more traditional concept of natural things that can still be found today implies a distinction between the natural and the artificial, with the artificial being understood as that which has been brought into being by a human consciousness or a human mind. Depending on the particular context, the term "natural" might also be distinguished from the unnatural or the supernatural.

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  1. Grimble

    Exploring the True Nature of Relativity & The Twin Paradox

    It is said that Relativity proves that if one travels near the speed of light that time slows down, i.e. that the twin who travels ages less than the twin who stays behind (Twin Paradox) and that distances/lengths contract, but only in the direction of travel. Yet a simple look at these two...
  2. E

    Questions about light(wave and dual nature)

    Ok, so I have many questions about light. My basic understanding can be seen here: http://answers.yahoo.com/question/index?qid=20140117062517AAeH0Dh My first question is, consider transverse waves in water. As the wave moves out, the water molecules move up and down forming the crests and...
  3. S

    Confusion about the nature of Diffraction.

    Why does the size of an obstacle have to be comparable to the wavelength of radiation for diffraction effects to be noticable ? Secondly, if the size of an opening is much smaller than the wavelength of the radiation , how does the radiation interact with the opening ? Third, can the same things...
  4. S

    Nature of the roots of the equations

    Homework Statement Homework Equations The given equations are; Q.1) Find the no of + roots of the equation x^4 -4x+1=0 Q.2) Find the no. of negative roots of the eqn x^4-4x-1=0 Q.3) Find the no of complex roots of the eqn x^4-4x-1=0 The Attempt at a Solution
  5. Y

    Why isn't classical physics probabilistic in nature?

    Hello friends, Why does classical physics not follow a probabilistic nature? And why is conventional predicting absent at microscopic levels? I have searched a little including sites like physics.exchange but only see responses that are "classical physics fails to predict this" or "it cannot...
  6. Superposed_Cat

    Temporal symmetry of nature violation according to nobel prize winner

    "..his equations indicated that atoms could indeed form a regularly repeating lattice in time, returning to their initial arrangement only after discrete (rather than continuous) intervals, thereby breaking time symmetry..." I was wondering about the theory's validity and if you had heard of...
  7. K

    Constants of Nature (and SM Parameters)

    I'm reading Peter Woit book "Not Even Wrong" and have been contemplating on the constants of nature or the parameters. I have some questions. 1. Which of the Constants of Nature do you think can be calculated by principles? Should they in principle be calculable? 2. Should a Unified...
  8. K

    Origin and Nature of Gauge Principle

    Gauge Principle is successful in strong electroweak force modeling in the the form U(1), SU(2), SU(3) and in GR but it fails in SU(5) or attempted gauge symmetry between leptons and quarks, it fails in Supersymmetry, fails in Supergravity, and even fails in String Theory. Don't we even know...
  9. D

    The nature of cathode rays and canal rays

    Hello everyone, I have some questions about these rays. And i would be grateful if you could help me, 1- The nature of cathode rays doesn't depend on neither the gas in the tube nor the material of the electrodes. Why? 2-The nature of canal rays depends on the gas in the tube. Why? 3-...
  10. J

    Does nature behave according to the right hand rule?

    I already know that the right hand rule could just as well be the left hand for the rotational motion vectors like torque and angular momentum, but what about magnetism? It seems like nature behaves strictly "right handedly" for magnetism. Is that true, or could you use the left hand rule, just...
  11. S

    Nature's Nature is Necessary

    Simple question... The universe is inherently probabilistic because its smallest constituents are inherently probabilistic. Granted. Is it even possible to conceive of a universe that is not probabilistic? To me, Quantum Mechanics aside, the probabilistic nature of a microscopic cosmos...
  12. Deveno

    Lingusitics Exploring the Nature of Language & Truth

    Think a bit about this, before you answer... Here are some of my musings on the subject: Language, or almost any other means of communication, is a means of mapping our internal experience externally. Our internal experience (which includes, but is not limited to, our sensory data, our...
  13. R

    What is this nature of Electrostatic Field ?

    Hi all, Work done to move a charge between two points in electrostatic field is independent of path taken. what is in this electrostatic force that is causing this? I mean how is it making it path independent? Does it has to do with the inverse-square nature of the field? or Its radially...
  14. M

    Friction: Force & Electromagnetic Nature

    What kind of force is Friction, force applied on a particle? Are these are Electromagnetic in nature?
  15. W

    Nature of radiation on interplanetary space exploration

    I've heard tell that a mission to the Galilean satellites is difficult for many reasons, but radiation is one of them. Is it safe to say that above all, the worst radiation is when you are landing and have landed on the surface of the Galilean satellites, because you are in Jupiter's Van Allen...
  16. S

    The nature of the dirac delta function

    From what I can tell, it seems that 1/x + δ(x) = 1/x because if we think of both 1/x and the dirac delta function as the following peicewise functions: 1/x = 1/x for x < 0 1/x = undefined for x = 0 1/x = 1/x for x > 0 δ(x) = 0 for x < 0 δ(x) = undefined for x = 0 δ(x) = 0 for x > 0...
  17. Math Amateur

    MHB Finitely Generated k-algebra - Nature of the finite generation - basic question

    In Dummit and Foote Chapter 15 on page 657 we find the following definition of a k-algebra: Let k be a field. A ring R is a k-algebra if k is contained in the centre of R and the identity of k is the identity of R. This defintion is followed by the definition of a finitely generated k-algebra...
  18. J

    Are there any correlations between nuclear fusion and atomic structures?

    I have questions regarding nuclear fusion: 1: Can all atoms fuse, say a hydrogen and carbon atom, could they fuse? or does it need to be the same type of atoms. 2: Are there any equations that determine the force needed to fuse? I'd think it'd have to do with x and x2 number of protons...
  19. C

    Question about nature of light

    Hello everyone! This is my first post as a member to this forum and as such will start out with a question that hopefully more brilliant minds than mine can help me with. I am an amateur physicist and simply enjoy pondering theories in regards to many topics in the field. Today I was thinking...
  20. J

    Can the Many Worlds Theory and Biocentric Theory Co-Exist?

    I've been reading up on the quantum observer problem and what it says on the nature of the Universe. Two theories that interest me greatly are the Many Worlds theory and the Biocentric theory (which says consciousness comes before matter and is the core part of the universe). Do you think...
  21. A

    The Wave-Like Nature of Electrons: Electric & Magnetic Fields

    when we say , electron acts like a wave ,does we mean to say that it produces electric and magnetic field or em waves varying with distance and time
  22. T

    Is mathematics a separate entity from nature?

    Hello guys: A very known fact we live is that mathematics is not falsifiable. There hasn't been a day in history when someone came up and made an experiment to prove that the equation "x^2-5x+6=0" has solutions different than 2 and 3. In science, if we find something that doesn't comply...
  23. tlnarasimham

    Nature of Primodial Existance before bigbang

    It is understood that the universe could be understood only from 10 -43 sec after big bang. is there any study or information about the nature/physics of primodial existence before bigbang
  24. F

    Nature of the force between 2 protons when sharing an electron.

    Hi :) In this lecture (), susskind talks about attractive the force between two protons due to them sharing an electron and tunelling etc. He also describes how the electromagnetic force overwhelms this force when the protons are far apart. What is the name of this force? And why do I...
  25. coktail

    Uncertainty Principal: Limit of measurement, or the nature of things

    Hi! I found a few old threads lying around regarding this, such as this one, but I thought I'd start a new one asking the question in my own way. So here goes. Is the uncertainty described by the Uncertainty Principal a result of the fact that by measuring something we affect it, or a...
  26. E

    Mach's principle, GR and the nature of space

    I have been puzzled by this for years, so I would welcome some enlightenment. It seems that Einstein was enamored with Mach's principle while searching for GR, but in the end GR does not seem compatible with it - or rather has nothing to say about it. What I mean is that the proverbial...
  27. S

    Can Nature take exact random samples?

    Human being's can't take exact random samples from continuous distributions like the uniform distribution on [0,1]. If we attempt to make measurements of physical pheonomena, we are limited to finite precision. Hence it isn't possible do empirical tests of properties involving exact sample...
  28. astroscout

    What is the connection between hurricanes, spiral galaxies, and sunflowers?

    Nature,Astronomy and Physics have facinated me for years but I had no idea they were eerily similar in other ways. Nature produces hurricanes that in satellite photos look eerily similar to those of spiral galaxies photographed by the Hubble space telescope. Physics uses a model...
  29. Lensmonkey

    On the nature of vacuum and questions thereof

    i have been pondering something. this is it: if a fellow had a tube with a plunger in it, like a syringe but without an opening for a needle or such. say the plunger is at the bottom of the tube. If you start to pull/raise it, it is my understanding that the force required to lift it would be...
  30. T

    Is it possible that nature laws constants changed over time

    I am wondering ? is it possible that the constants that govern the laws of physics was different during other periods of our universe history ?
  31. H

    Exploring the Nature of Time: An Equation?

    Hi. Just wondering: is it possible to construct an equation from known validated physics isolating time on one side of the equation sign? I'm asking because the famous E=MCC tells us Energy and Mass are two manifestations of the same fenomenen. And I have often wondered about the nature of...
  32. Math Amateur

    MHB Unique Factorization Domain? Nature of Q_Z[x] - 2

    Let \mathbb{Q}_\mathbb{Z}[x] denote the set of polynomials with rational coefficients and integer constant terms. Prove that the only two units in \mathbb{Q}_\mathbb{Z}[x] are 1 and -1. Help with this exercise would be appreciated. My initial thoughts on this exercise are as follows: 1 and...
  33. Math Amateur

    MHB Unique Factorization Domain? Nature of Q_Z[x] - 1

    Unique Factorization Domain? Nature of Q_Z[x] Let \mathbb{Q}_\mathbb{Z}[x] denote the set of polynomials with rational coefficients and integer constant terms. (a) If p is prime in \mathbb{Z} , prove that the constant polynomial p is irreducible in \mathbb{Q}_\mathbb{Z}[x]. (b) If p and q...
  34. V

    Nature of Laws of Physics (Gravity)

    I am going to explain what I am looking for, of course all the while hoping that what I am looking for actually exists, by talking about how I got comfortable with the idea of harmonic oscillators. I never quite understood why the forces on a harmonic oscillator were of the form ## F=-kx ##...
  35. N

    What are wave and particle nature of light theories?

    hello everyone i want to ask that what are the theories that proposes the wave nature of light and also those which proves the particle nature of light? list all the theories please ! P.S i don't want a complete description about those theories. thank you
  36. A

    Gauss theorem and the nature of the surface

    According to Gauss’ law the total number of lines of force over a closed surface is equal to 1/ε times the net charge enclosed within the closed surface. Why should it be a closed surface but not an open surface too? I am unable to find a convincing explanation for it. Since we take into...
  37. D

    What is the nature of sound from the quantum perspective?

    So sound is a mechanical wave usually a propagation of atmospheric pressure in a medium in the classical interpretation.I`m curious what happens in the quantum realm ? Also if this pressure force is giving kinetic energy to those atoms,but due to friction is also generates heat energy,and with...
  38. C

    Solving field equations and the nonphysical nature of the metric. (GR)

    There seems to be an emphasis in several books on general relativity that the metric (components) in itself does not reflect anything physical, only our choice of coordinates. On the other hand it can seem like the authors, instead of being true to this, treat the metric (components) as...
  39. T

    New method of cutting grass? -looking to nature for answer

    Hey PF, I'm looking for a new way to cut the grass on my lawn and I'm looking to nature for inspiration. I'm an engineer, not a biologist and I could use your help with naming creatures or mechanisms that are used to cut grass, flesh, bark, etc... I've come up with the following good...
  40. A

    World's record for highest freq photon ever seen, nature or lab?

    Hi all, What is the highest frequency photon ever seen, whether in nature or the lab? This is based on an earlier post of mine, but I think has merit as its own post. Since E=hf, there is no maximum freq or energy of a photon, it seems, on a max freq of a photon. It seems that such high...
  41. L

    Interference and wave nature of light

    Two in-phase sources of waves are separated by a distance of 4.00 m. These sources produce identical waves that have a wavelength of 5.00 m. On the line between them, there are two places at which the same type of interference occurs. Where are the places located? I already know the...
  42. R

    True Algebraic Nature of Tensors

    I have been puzzling over a best point of view to comprehend the true algebraic nature of tensors for years now. With vector spaces, I similarly puzzled and concluded that vector spaces are basically sets of abstract members that satisfy a closure on linearity relationship (i.e., any linear...
  43. B

    Connection to Nature: The Impact of Rubber Soles

    While sitting contemplating life today, I had a thought. Naturally were connected to the earth...The civilizations throughout history had a much deeper profound connection to it as well. The only difference besides technological advances is we wear shoes with rubber soles...Rubber is not...
  44. M

    Nature of spacetime and interest in the field

    I am not quite sure what field the study of spacetime and energy would apply, considering I'm looking at it from a very, very big-picture point of view. I have a few theories and have done some math in regard to these three fields, and some of my conclusions have been quite interesting. I desire...
  45. H

    What Causes the Transient Nature of Diodes in Semiconductor Junctions?

    A pn junction diode is driven by a voltage +E to -E volts preodically when voltage is +E its forward biases and vice versa. when in forward biased a current I flows through it, now if voltage is reversed to -E, current is still I (in reverse direction). This then stay constant for a time...
  46. Math Amateur

    MHB The Nature of Principal Ideals

    Fraleigh (A First Course in Abstract Algebra) defines principal ideals in section 27 on page 250. His definition is as follows: =============================================================================================== "27.21 Definition If R is a commutative ring with unity and a \in R...
  47. H

    Is coupling G actually a constant of nature or it can vary?

    is coupling G (graviational coupling) actually a constant of nature or it can vary?
  48. H

    Question on the nature of induction

    Homework Statement A long, straight wire is surrounded by a hollow metallic cylinder whose axis coincides with that of the wire. The solid wire has a charge per unit length of + λ, and the hollow cylinder has a net charge per unit length of +2λ. From this information, use Gauss's law to find...
  49. R

    During a phase transition, what is the nature of the material?

    As a material is heated, it increases in temperature until it enters a phase transition. During the transition, added heat does not increase the temperature. As this heat is being added, what is the substance? Is it a mixture of liquid and gas perhaps? If so, what are the proportions? In...
  50. Q

    How do halogens appear in nature?

    i've been given an assignment in which I'm supposed to find some characteristics of different halogens. they're all listed as atoms paired with themselves. eg. F2 I2 ect are halogens normally expressed this way? Specifically, I was asked to investigate Astintine. However, I wasn't told...
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