Quantum gravity Essays

  • The Elegant Universe

    1063 Words  | 3 Pages

    View of Gravity" and continues by discussing the incompatibility of Newtonian Gravity and Special Relativity. The author also talks about how Einstein discovered the link between acceleration and the warping of space and time. Greene also discuses the basic aspects of General Relativity. He later points out how the two theories of relativity effect black holes, the big bang, and the expansion of space.Chapter 4: Microscopic Weirdness This chapter describes, in detail, the workings of quantum mechanics

  • Relationship Between Strings and Spacetime Geometry

    711 Words  | 2 Pages

    If string theory is a theory of gravity, then how does it compare with Einstein's theory of gravity? What is the relationship between strings and spacetime geometry? Strings and gravitons The simplest case to imagine is a single string traveling in a flat spacetime in d dimensions, meaning that it is traveling across space while time is ticking, so to speak. A string is a one-dimensional object, meaning that if you want to travel along a string, you can only go forwards or backwards in the direction

  • What´s Interaction Adaptation Theory?

    579 Words  | 2 Pages

    I. Introduction: Have you watched the Big Bang Theory? Have you noticed how awesome they are? There are multiple shows that could have been chosen to cover this theory. But I feel the Big bang theory has some pretty good examples. They have some pretty interesting interactions with each other. They talk in scientific terms and sometime have to dumb it down for Penny. But today let’s talk about a scene between Sheldon and Penny, and how it relates to the Interaction Adaptation Theory. Throughout

  • Investigating the Factors that Affect the Period of One Swing of a Pendulum

    1668 Words  | 4 Pages

    mathematical formula used to describe the period of the pendulum is: T= 2 p√tex2html_wrap_inline105/g T is the period (time for one swing - seconds) tex2html_wrap_inline105 is the length of the pendulum (metres) g is the acceleration dues to gravity. (N/KG) tex2html_wrap_inline105 (Length) is in the formula, clearly indicating that it is a factor which will directly affect the period of time. To see whether the time period will increase or decrease when the length is increased, I will

  • The String Theory

    1035 Words  | 3 Pages

    Sub-atomic particles, known as quarks, electrons, photons, and neutrinos were strewn across expanding space. Equal amounts of matter and antimatter particles began to collide and annihilate each other. Gravity, strong and weak nuclear forces, and electromagnetic forces soon came into play. As the universe started to cool, fundamental particles called quarks began to smash together forming protons and neutrons. They, in turn, merged to create the nuclei of simple elements, beginning with hydrogen

  • Black Holes

    1782 Words  | 4 Pages

    American scientist John Wheeler coined the phrase “black hole” in 1969 to describe a massively compact star with such a strong gravitational field that light cannot escape. When a star’s central reserve of hydrogen is depleted, the star begins to die. Gravity causes the center to contract to higher and higher temperatures, while the outer regions swell up, and the star becomes a red giant. The star then evolves into a white dwarf, where most of its matter is compressed into a sphere roughly the size of

  • Black Holes

    3671 Words  | 8 Pages

    escape their gravity, and since nothing can travel faster than light, nothing can escape from inside a black hole. Loosely speaking, a black hole is a region of space that has so much mass concentrated in it that there is no way for a nearby object to escape its gravitational pull. Since our best theory of gravity at the moment is Einstein's general theory of relativity, we have to delve into some results of this theory to understand black holes in detail, by thinking about gravity under fairly simple

  • Pendulum Investigation

    1305 Words  | 3 Pages

    resistance. This can easily be observed because it takes an extended time for the pendulum to stop swinging, so only a small amount of energy is lost on each swing. Gravity The pendulum is motivated by the force of gravity acting on it. The more gravity the shorter time it will take for a complete swing. The less gravity the longer it would take for a complete swing Size of swing The size of the swing does not have large effect on the time. Mass The mass of the pendulum does

  • The Physics of Swinging

    1432 Words  | 3 Pages

    full move back and forth. The equation used to solve for the period mathematically is T = 2p (square root of L/g), where L is the length of the pendulum, and g is gravity. There are a few things that can change the period of a pendulum. As length increases and as the force of gravity increases so will the period. Likewise, when both gravity and length of the chains decrease, the period does also. My reference Mark Nethercott says that if there are no outside influences, the period stays constant at

  • Stephen Hawking's Contribution to Physics

    1649 Words  | 4 Pages

    cosmic entities known as black holes, and has extended to specialized areas such as quantum gravity, particle physics, and supersymmetry. A field of study that Stephen Hawking is known for is cosmology. Cosmology is the metaphysical study of the origin and nature of the universe. A brief synopsis of Hawking indicates that, according to Hawking, "there is 'no place for a creator', that God does not exist." In his quantum cosmology, he indicates, "there would be no singularities at which the laws of science

  • Pendulum Investigation

    2453 Words  | 5 Pages

    complete one swing, are: 1. The length of string 2. Weight of bob 3. Angle of release The variables which I will be excluding from this experiment are: Gravity. This is a force pulling a mass down at a constant rate (at 10 Newton's, or to be precise 9.8 Newton's). Also no matter the size of an object the gravity will still pull the bob down at a constant rate. This will have little effect so I will chosen to exclude this. Air resistance. This will oppose the speed of the bob

  • The Physics of Downhill Skiing

    1996 Words  | 4 Pages

    of skiing relies on the physics of Newton’s three laws of motion, gravity, and the concepts of potential and kinetic energy. The force that allows the skier to head down the hill is gravity. An inexperienced skier may find that gravity causes them to move down the hill faster than they’d like. What is gravity? We all know that gravity is the force that makes a ball, which has been thrown into the air, fall to the ground. Gravity is the force that the earth exerts on an object. As the skier heads

  • Gravity's Rainbow By Thomas Pynchon Analysis

    3935 Words  | 8 Pages

    Thomas Pynchon's Mason & Dixon and Gravity's Rainbow ....."Snow-Balls have flown their Arcs..." These words begin the wondrous passage that introduces us to the world of Thomas Pynchon's latest masterpiece, Mason & Dixon. In an obvious parody of "A screaming comes across the sky," the opening of Gravity's Rainbow, Pynchon sets the mood and pace for the rest of the novel. In contrast to the mindless pleasures, hopeless desperation, and ubiquitous death that dominate virtually every page of his

  • Pynchon's Gravity's Rainbow

    761 Words  | 2 Pages

    Pynchon's Gravity's Rainbow Thomas Ruggles Pynchon was born in 1937 in Glen's Cove, New York. He is the author of V., The Crying of Lot 49, Gravity's Rainbow, Slow Learner, Vineland, and Mason & Dixon. Nothing else is known of this author (not exactly true, but close enough to the truth to make that last blanket statement passable). He has attempted to veil himself in total obscurity and anonymity. For the most part, he has succeeded in this, save for a rare interview or two. In 1974 he

  • Elvis Presley

    545 Words  | 2 Pages

    On January 8, 1935, in Tupelo Mississippi, Elvis Aaron Presley was born to a lovely couple by the name of Vernon and Gladys Presley. He brought so much joy into the family. By the age of 18, Elvis and his parents moved to Memphis, Tennessee in 1948, and he graduated from Humes High School there in 1953. The pop and country music of the time, the gospel music he heard in church and at the all-night gospel sings he frequently attended, and the black R&B he absorbed on historic Beale Street as a Memphis

  • Rolfing

    1868 Words  | 4 Pages

    do with how the body deals with the field of gravity. Gravity is the most powerful force that affects the human body. The goal is to balance the body, and the main objective is to be in harmony with the body (www.lyrisys.com/LinSilver/). Rolfing restructures and educates the body to move in a specific manner. It releases the tension in the tissues which hold the bones and organs together to let the body re-align or balance itself with the force of gravity. Since Rolfing gives the body a better balance

  • A Prayer for Owen Meany

    726 Words  | 2 Pages

    A Prayer for Owen Meany In literature of significant standing, no act of violence is perpetrated without reason. For a story to be legitimate in the area of fine literature violence cannot be used in a wanton manner. In John Irving’s modern classic, A Prayer for Owen Meany the audience is faced with multiple scenes of strong violence but violence is never used without reason. All of the violent acts depicted in the novel are totally necessary for the characters and the plot to develop. This plot-required

  • Physics of Fencing

    1178 Words  | 3 Pages

    more advanced moves in fencing. Basic Fencing To begin with, we will discuss the effects of gravity on the body in the regular or "on garde" stance., and what forces are used during the "thrust" and the "lunge". On Garde Look at a picture of what a fencer looks like in the "on garde" position. As you can see, the larger arrow shows the pull of gravity. The smaller arrows show where gravity is pulling the limbs. Red being for the legs and yellow for the arms. Lunge Next, we will discuss

  • String Theory

    1670 Words  | 4 Pages

    likely to lead to theories of quantum gravity, an attempt to explain gravity’s relatively weak force when compared to the other forces of physics (“Quantum gravity”, nd). Superstring theory is also "supersymmetric string theory." It is referred to as this because unlike bosonic string theory, the original form of string theory (Bosonic string theory, nd), it is the version of the theory that incorporates fermions, particles that form totally antisymmetric composite quantum states (Fermions, nd), and

  • The Physics of Skiing

    1246 Words  | 3 Pages

    physics such as gravity and friction. In this essay I will discuss how physics relates to skiing and how this physics makes skiing so fun and challenging. I will also discuss how things like wax and the shape and width of your skis can affect these laws of physics and enhance your skiing. There are really only two main forces acting on a skier, they are gravity and air resistance. The first and most important thing relating to the physics of skiing is the law of gravity. Gravity is the most familiar