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Physics

Determination of coefficient of expansion of air

INTRODUCTION This experiment is based on investigating the coefficient of expansion of air using a simple laboratory set up; the stopper flask method, where pressure is constant throughout the experiment. The increase in volume of a gas is directly proportional its temperature increase and is expressed as a fractional changed in dimensions per unit temperature …

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The field of nuclear physics

Nuclear physics is the field of physics that studies the building blocks and interactions of atomic nuclei. The most commonly known applications of nuclear physics are nuclear power and nuclear weapons, but the research has provided wider applications, including those in medicine (nuclear medicine, magnetic resonance imaging), materials engineering (ion implantation) and archaeology (radiocarbon dating). …

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Microwave Motion Detector

CHAPTER NO: 1 MICROWAVE MOTION DETECTOR (MMD) 1.1 INTRODUCTION: “The Microwave Motion Detector (MMD) is a true microwave Doppler transmitter and receiver, solves difficult detection problems easily with the microwave motion detector, senses any moving body – be it a person, animal, car, bicycle or extra-terrestrial.” 1.2 WHY MICROWAVE MOTION DETECTOR: Understanding basic home security …

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Defining And Understanding Holography Physics Essay

Holography, method of obtaining three-dimensional photographic images. These images are obtained without a lens, so the method is also called lensless photography. The records are called holograms (Greek holos, “whole”; gram, “message”). The theoretical principles of holography were developed by the British physicist Dennis Gabor in 1947. The first actual production of holograms took place …

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An x-ray machine

How does an X-ray machine work? An X-ray machine is essentially a camera instead of visible light, however, it uses X-rays to expose the film. X-rays are like light in that they are electromagnetic waves, but they are more energetic so they can penetrate many materials to varying degrees. When the X-rays hit the film, …

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History of the Laser

INTRODUCTION The name LASER is an acronym for Light Amplification by the Stimulated Emission of Radiation. Light is really an electromagnetic wave. Each wave has brightness and color, and vibrates at a certain angle, so-called polarization. This is also true for laser light but it is more parallel than any other light source. Every part …

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Cardiovascular System in Parabolic Flight and Spaceflights

Human Spaceflight: Alterations of the cardiovascular system during parabolic flights and spaceflights The purpose of this research is to identify the changes occurring during parabolic flights and spaceflights, where there’s weightlessness. The importance of the cardiovascular system in space, is recognised as well as some of its fundamentals based on past researches. In addition, since …

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New Potential Class of Long Gamma-Ray Bursts

Intro Since their discovery, a debate has been sparked over the classification of a new potential class of long gamma-ray bursts (LGRB) that possess ultra-long durations lasting at least 1000s, along with distinctly different x-ray and optical light curves to regular gamma-ray bursts (GRB) (Levan 2014). The search for members of the ultra-long gamma-ray burst …

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