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Category: Science

  • Quirks, Quarks, and Quandaries: Hilarious Tales and Untold Stories from the World of Physics

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    Josh
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    Chapter 1: The Absent-Minded Professors: Classic Tales of Forgetfulness and Brilliance The Textbook Left in the Refrigerator: Stories of Everyday Objects Lost to Physics Brains: This section will explore anecdotes and stories about physicists who misplaced common items due to being deeply engrossed in their work. It will delve into the cognitive processes that might…

  • MRI Pulse Sequences and Mathematics

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    Josh
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    Chapter 1: Laying the Foundation: A Review of Linear Algebra and Signal Processing for MRI 1.1 Vector Spaces, Linear Transformations, and Basis Functions in MRI: Exploring k-space as a Vector Space and the Fourier Transform as a Linear Transformation In the realm of Magnetic Resonance Imaging (MRI), a profound understanding of linear algebra is not…

  • Magnetic Resonance Imaging: A Dive into its Physics

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    Josh
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    Chapter 1: The Quantum Underpinnings: A Journey into Nuclear Spin and Magnetic Moments 1. The Intrinsic Angular Momentum: Demystifying Nuclear Spin and its Quantization At the heart of nuclear magnetic resonance (NMR) lies a fundamental property of atomic nuclei known as nuclear spin. Unlike the classical notion of a spinning top, nuclear spin is an…

  • Multi-modal Data for Medical Imaging

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    Section 1.1: Introduction to the Multi-modal Paradigm Subsection 1.1.1: Defining Multi-modal Imaging Data in a Clinical Context In the rapidly evolving landscape of healthcare, the concept of multi-modal imaging data has emerged as a cornerstone for advanced diagnostics and personalized medicine. At its core, “multi-modal” refers to the integration of information from several distinct sources…

  • Machine Learning in Medical Imaging – A Review

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    Josh
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    Section 1.1: The Evolution of Medical Imaging and Diagnosis Subsection 1.1.1: Historical Context of Medical Imaging Technologies Subsection 1.1.1: Historical Context of Medical Imaging Technologies The story of medical imaging is a fascinating journey of scientific discovery and technological innovation, fundamentally transforming our ability to peer inside the human body without invasive procedures. For centuries,…

  • Machine Learning Networks For Medical Imaging – A Review

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    Josh
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    Table of Contents Introduction: The Dawn of AI in Medical Diagnostics The relentless pursuit of enhanced diagnostic accuracy and efficiency has long been a cornerstone of medical advancement. In recent decades, medical imaging has emerged as an indispensable pillar of modern healthcare, providing unparalleled insights into the human body’s intricate internal structures. However, the exponential…

  • Health: The Amazing World of Sodium

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    Josh
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    Section 1.1: Beyond Blood Pressure: A Paradigm Shift in Sodium Biology Subsection 1.1.1: The Classical View: Sodium as a Fluid Balance Regulator Subsection 1.1.1: The Classical View: Sodium as a Fluid Balance Regulator For decades, our understanding of sodium in the body has been framed by a simple, elegant principle: where salt goes, water follows.…

  • Physics: How Quantum Field Theory Leads To Particles

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    Josh
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    Table of Contents Introduction: Beyond a Universe of Tiny Balls Introduction: Beyond a Universe of Tiny Balls For centuries, the prevailing scientific intuition has depicted the universe as a vast, empty stage upon which fundamental particles—envisioned as infinitesimal, indivisible spheres—enact the drama of existence. This “billiard ball” model, inherited from classical mechanics, offers a powerful…

  • Physics: Electron Quantum Noise (Shot Noise)

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    Josh
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    Table of Contents Introduction: The Sound of an Electric Current Introduction: The Sound of an Electric Current Imagine the sound of rain on a tin roof. A light drizzle produces a series of distinct, audible “pings,” each marking the impact of a single raindrop. As the rain intensifies into a downpour, these individual sounds merge…

  • Medicine: Deep Learning

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    Josh
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    Table of Contents 1. Introduction: The Dawn of a New Diagnostic Era 1. Introduction: The Dawn of a New Diagnostic Era Medical imaging stands as a cornerstone of modern clinical practice, providing non-invasive windows into human anatomy and physiology that are indispensable for diagnosis, treatment planning, and disease monitoring. Modalities such as Computed Tomography (CT),…