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    Resonance

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    Resonance RESONANCE: " The property whereby any vibratory system responds with maximum amplitude to an applied force having the a frequency equal to its own." In english, this means that any solid object that is struck with a sound wave of equal sound wave vibrations will amplitude the given tone. This would explain the reason why some singers are able to break wine glasses with their voice. The vibrations build up enough to shatter the glass. This is called RESONANCE. Resonance can be observed

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    Effect Of Tension On Resonance And Amplitude PLANNING Aim The aim of the experiment is to investigate the effect of tension on resonance and amplitude of a string. Basis Personal Knowledge This experiment is based on the resonance, frequency and amplitude. From what I have learnt in class and everyday life, I know that when a string of any kind is plucked, it moves to and fro. The movement causes the air molecules around it to vibrate. When it moves fast enough, the vibrations

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    1. Introduction 1.1 General Overview of Resonance and Related Fields Resonance is a phenomenon that takes place in many areas of the physical world such as mechanics, electricity, acoustics, optics, astrophysics and nuclear physics. It is generally defined as the large response of a system to an externally applied oscillatory force at a certain frequency (called the ‘natural frequency’ or ‘resonant frequency’). Mechanical resonance in particular occurs during simple harmonic motion. This specific

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    Magnetic Resonance Imaging

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    Magnetic Resonance Imaging Magnetic resonance imaging has the potential of totally replacing computed tomography. If history was rewritten, and CT invented after MRI, nobody would bother to pursue CT. --Philip Drew (Mattson and Simon, 1996) WHAT IT IS Magnetic Resonance Imaging, or commonly known as MRI, is a technique used in medicine for producing images of tissues inside the body. It is an important diagnostic tool because it enables physicians to identify abnormal tissue without opening

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    Magnetic Resonance Imaging

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    Magnetic Resonance Imaging MRI is a procedure, in wide use since the 80s, to see the anatomy of the internal organs of the body. It is based on the phenomenon of nuclear magnetic resonance (NMR), first described in landmark papers over fifty years ago (Rabi et al. 1938; Rabi, Millman, and Kusch 1939; Purcell et al. 1945; Bloch, Hansen, and Packard 1946) (4 ). . The MRI is a valuable diagnostic and research tool with also practical applications for surgical planning and conquering diseases. This

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    The Faces Behind the Discovery of Magnetic Resonance Imaging Isidor Isaac Rabi He won the 1944 Nobel Prize in Physics for his "resonance method for recording the magnetic properties of atomic nuclei." He was the one to discover that protons have magnetic moments and that they precess around an external magnetic field. His experiments (on nuclei) revealed the jump between energy states of the proton when resonated with radio frequency waves. Felix Bloch & Edward Purcell Both

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    Magnetic Resonance Imaging In 1944, Isidor Isaac Rabi was awarded the Nobel Prize for Physics for his resonance method for recording the magnetic properties of atomic nuclei. This method was based on measuring the spin of the protons in the atom's core, a phenomenon known as nuclear magnetic moments. From Rabi's work, Paul C. Lauterbur and Peter Mansfield were able to research into magnetic resonance imaging (also known as nuclear magnetic resonance, NMR) and were awarded the Nobel Prize

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    and successful surgery you are finally back to normal and can lead a normal life once again. While this may be a bit of an extreme example, it highlights one of the many potential and exciting uses of MRI and fMRI technology. Functional magnetic resonance imaging (fMRI) was first developed about two decades ago and it has become, by far, the leading research tool for mapping the brain's activity. The technique works by detecting the levels of oxygen in the blood flowing throughout the brain. This

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    MRI Magnetic Resonance Imaging How the analytical chemistry or medical diagnosis application works Getting an MRI is a non-invasive method used to look at images inside an object. MRI’s are mainly used to observe pathological or physiological developments of living tissues. The patient simply lies on his or her back and slides onto the bore- the tube running through the magnet. An MRI’s job is to find tissue and determine what it is, by using radio wave pulses of energy. The MRI creates 2-D or 3-D

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    Introduction to Magnetic Resonance Imaging (MRI) Physics Magnetic resonance imaging was discovered simultaneously by two physicists in 1947 named Felix Bloch and Edward Mills Purcell. The first clinical images were obtained in 1977 by Paul Lauterbur, Peter Mansfield and Raymond Damadian. MRI uses magnetic fields and radiofrequencies rather than ionizing radiation used in XRay and CT. The magnetic field strength of an MRI machine is measured in Tesla (T). The majority of MRI systems in clinical practice

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