Isaac Newton by James Gleick | Review

10 Apr 2018

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Trusha Patel   Isaac Newton by James Gleick Opinion Isaac Newton was the most famous scientist of his generation and one of the most recognizable physicists of all time. He accomplished amazing feats; he “pushed open a door that led to a new universe” (8). Some of his major achievements include the application of the law of gravity to the motion of planets, the ...

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Forces in Skeletal Structure of the Arm

12 Mar 2018

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Bio Mechanics and Kinetics Task 1. Produce a labelled diagram showing the forces involved on the skeletal structure of a human arm as a weight is being held at a particular angle. Your report should use the principle of moments to fully describe all of the forces that are being applied at various points along the forearm through the muscle and tendons. (Assessment criteria 1.1, 1.2, ...

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Vibrating Sample Magnetometer (VSM)

12 Mar 2018

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Robert Konstandelos   Operation A sample is made to oscillate using a vibrational unit extended on a rod. The sample is placed between two electromagnetic pieces which are used as the applied field for this this experiment. With the sample oscillating induces a voltage between the search coils which creates a signal to determine the magnetic properties of the sample. Reference coils are used ...

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Measuring Concentration of Natural Gas in Air

12 Mar 2018

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Valentin Haemmerli Measuring concentration of natural gas in air using a catalytic bead sensor and a Wheatstone bridge circuit   Abstract. A vacuum system and a catalytic bead combustible gas sensor were used to calibrate and test an apparatus for measuring the concentration of natural gas in air. Total concentrations ranged between 0%-5% and total pressure from 0.5 bar to 1.5 bar. A Wheatstone ...

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Crystal Growth and Nonlinear Optics

12 Mar 2018

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CHAPTER 1 INTRODUCTION TO CRYSTAL GROWTH AND NONLINEAR OPTICS 1.1 INTRODUCTION Crystal growth is regarded as an ancient subject, owing to the fact that the crystallization of salt and sugar were known to the ancient Indian and Chinese civilizations. The subject of crystal growth was treated as part of crystallography and never had an independent identity until the last century. It has a long history of evolution ...

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The Inhibitory Effects of Low Power Radiofrequency

12 Mar 2018

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Inhibitory effects of low thermal radiofrequency radiation on physiological parameters of Zea mays seedlings grown Mihaela Răcuciu1, Cora Iftode2 and Simona MiclăuÅŸ3   Abstract. The inhibitory effects of low power radiofrequency field on physiological parameters of Zea mays plantlets developed from exposed seeds were obtained in present experiment. Identical biological samples of 30 Zea mays seeds with a uniform genophond were exposed to a continuous wave ...

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Synthesis Techniques for Fabrication of Nanofibers

12 Mar 2018

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Chapter # 02 Synthesis Techniques Introduction The different synthesis techniques for fabrication of nanofibers and nanoparticles will be discussed briefly in this chapter. The selected techniques and the experimental procedure for the synthesis of the nanoparticles and composite nanofibers will be discussed in detail. Synthesis Techniques for Nanoparticles Synthesis method being used for the preparation of nanomaterials is one of the most important factors that affect ...

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New Generation of a Mobile Primary Frequency Standard

12 Mar 2018

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New generation of a mobile primary frequency standard based on cold atoms S T Müller 1, J de Martin Júnior 1, R D Pechoneri 1, P Santa Catharina1, V S Bagnato2 and D V Magalhães1 Abstract. We have constructed a mobile primary frequency standard using intra-cavity cold cesium atoms and the first results shown the advantages of using this kind of system compared to cesium beam ...

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Study of Ceramic Perovskites-type Oxides (ABO3)

12 Mar 2018

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2.0 LITERATURE REVIEW 2.1 Introduction Ceramic perovskites-type oxides (ABO3) have been studied extensively due to the high conductivity and low activation energy. Among of perovskite type-oxide, an investigation of cerate zirconate attracts great attention to the researcher. It is well known as ion conductor and good chemical stability at intermediate temperature. It properties give big impact for development in technological applications like fuel cells, solar cells, ...

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Effect of Ionic Pollution on Aerosol Nucleation

12 Mar 2018

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EFFECT OF IONIC POLLUTION ON AEROSOL NUCLEATION AND CLOUD FORMATION ABSTRACT Atmospheric aerosol particles have a strong impact on the global climate and that is the main reason for many observed events of new aerosol formation being not understood. Forwarding, to explain these events one of the theory put is that the presence of ions can enhance the formation of aerosols in the atmosphere. This theory ...

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Strategies to Produce Thermonuclear Plasmas

12 Mar 2018

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Elrica Degirmen What is the Joint European Torus and how does it work? The Joint European Torus, or JET, is a physics facility located in the Culham Centre for Fusion Energy in Oxfordshire. Plasma physicists and engineers there are producing thermonuclear plasmas under magnetic confinement in order to show that fusion energy is a reliable source of energy in the future. It is very ...

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Field Programmable Gate Array based Digital Module

12 Mar 2018

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Field Programmable Gate Array based Digital Module for Laser Frequency Stabilization A.Rastogi1, N. Batra, S.De2, S.Panja and A. Sen Gupta   Introduction Frequency stabilized lasers are a crucial part in variety of atom-photon experiments such as atomic spectroscopy [1], laser cooling [2], probing the excited states of atoms [3] etc. Depending on the application, a stability in bandwidth from few MHz to sub Hz maybe required. ...

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Polarisation of Light Investigation

12 Mar 2018

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Valentin Haemmerli   Abstract. An optical system consisting of a laser, a polariser, a quarter-wave plate, a prism, and a light detector connected to a multi-meter was used to find the transmission axes of the polariser and the quarter-wave plate, find the angle of polarisation of the laser relative to the optical axis and investigate the quality of the polariser and quarter-wave plate by ...

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Medical Treatment Using Computed Tomography (CT)

12 Mar 2018

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Breast Plan Part One Treatment Site / Diagnosis: Left Breast Treatment Modality: 2 Dimensional tangential Type of Patient Data: Computed tomography and virtual simulation Technique: Isocentric Prescription Isodose: 40GY in 15# Part Two Computed tomography (CT) was employed as an imaging modality for this treatment. In general, CT is the standard imaging modality employed. This is due to the ability of CT to provide a 3 ...

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Advantages of Metamaterials

12 Mar 2018

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Juan Castellanos   The future is here and you wouldn’t believe how far research has come. Through countless experiments and hard work scientists have expanded the limits on what we thought to be impossible via advances in metamaterials. These so called “metamaterials” are artificially constructed improvements over naturally occurring materials commonly used in inventions. These metamaterials are altered at a Nanoscopic scale to give ...

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Effect of Zn Concentration on NiZnFe2O4 Nanoparticles

12 Mar 2018

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CHAPTER-7 EFFECT OF Zn CONCENTRATION ON MAGNETIC AND DIELECTRIC PROPERTIES OF NiZnFe2O4 NANOPARTICLES 7.1 INTRODUCTION Ni (1-x) Zn (x) Fe2O4 (x=0.2, 0.4 and 0.6) nanoparticles are synthesized by using coprecipitation method. Zinc is a known metal, its role is important in the modification of ferrite properties by redistribution over the tetrahedral and octahedral sites of the spinel lattice. Rath et al (2002) reported the effect of ...

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Overview of the CO2 Laser

12 Mar 2018

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A visit to the CO2 laser on its golden anniversary YiÄŸit Uysallı,* Muhammad Rehan Chaudhry, Adnan Kurt** and Ali Serpengüzel*** Koç University, Microphotonics Research Laboratory, Department of Physics, Rumelifeneri Yolu, Sarıyer, Istanbul 34450 Turkey   Abstract CO2 laser is the high power laser which makes it unique in its own kind and we take honor in revisiting this industry workhorse on 50th year of its invention. ...

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Magnetic Resonance Imaging: Overview and Applications

12 Mar 2018

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How does Magnetic Resonance imaging work and how can it influence the future? An Introduction to Magnetic Resonance Imaging[1][2][3]: Magnetic resonance imaging (MRI) is used as an accurate form of disease detection which is usually used to confirm a patients condition, as well as a method of looking at trauma to the brain, examples of which could be bleeding and swelling. Alongside these uses MRI can ...

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Rotational Dynamics Experiment

12 Mar 2018

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Introduction: In this lab, we got to experiment with rotational dynamics. The definition of rotational dynamics would be; the study of forces and torques and their effect on motion, as opposed to kinematics (see ref. one). Instead of using the traditional symbols for velocity, acceleration, displacement, and theta; we use symbols for angular velocity, angular acceleration, and angular displacement. In this experiment we got to find ...

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Non Equillibrium Green’s Function Technique

12 Mar 2018

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NON EQUILLIBRIUM GREEN’S FUNCTION TECHNIQUE USED FOR THE METAL-INSULATOR-METAL DIODES ANSHUMAN Electronics and Communication Dept. NIT Kurukshetra Abstract – In this paper theoretical analysis of NEGF method, including the transport equation and Poisson equation, is done followed by the derivation of an analytical model using NEGF tunnelling probability through any number of insulating layers. Numerical NEGF simulator are shown matching with the AF-TMM simulator results. ...

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Defect Formation in Carbon-doped Cuprous Iodide

12 Mar 2018

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Hui Chen, Mu Gu*, Xiaolin Liu, Xuejun Guo, Bo Liu, Shiming Huang, Chen Ni Shanghai Key Laboratory of Special Artificial Microstructure Materials & Technology, School of Physics Science and Engineering, Tongji University, Shanghai 200092, P.R. China Guoying Zhang College of Science, China University of Mining and Technology, Xuzhou 221116, PR China First-principles calculations have been performed to investigate the carbon-doped cuprous iodide. From the calculated results, ...

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Buoyancy of an Orange: Analysis

12 Mar 2018

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Joseph Wong Brendan Mullins Nathan Shoemaker Mike Dorazio Abdul Aldualeg Guillermo Venancio Buoyancy is the upward force from the water needed to stay afloat. Since pressure increases with depth, there is a higher pressure and the bottom of the volume of fluid than the top. The pressure difference results in a net force that will accelerate an object upward. The magnitude of the ...

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Variability of Solar Activity Parameters

12 Mar 2018

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Chapter 7: Overall Conclusion and Future Prospect of Research In the present work, efforts have been given to get an idea of variability of solar activity parameters during the recent solar minimum period and also to understand the effect of the solar activity parameters at the F2 region of the ionosphere. As our dependence on technological systems operating in and through the outer reaches of our ...

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Physics Behind the Dambuster’s Bouncing Bomb

12 Mar 2018

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Brookie Trant Introduction The Dambuster Raid and the bouncing bomb played a key role in WW2. The aim was to disrupt industrial productivity of Germany. The Raid was also a well-publicised success story when Britain was stretched to breaking point during the war. The bomb was used to destroy the Mohne and the Edersee Dams and flood the Ruhr Valley, thereby destroying a large ...

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- - [thesis title] - - by - - E

12 Mar 2018

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Efthymios Stratis A thesis presented on the history of astronomy and the solar system, beginning with the birth of the solar system, and covering the geology, atmosphere, and moons of Mercury, Venus, Earth, Mars, Jupiter, Saturn, and Uranus. Glossary Asteroid. A very small planet ranging from 1,000 km to less than one km in diameter. Asteroids are found commonly around other larger planets. Atmosphere. ...

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RES Subglacial Mapping for Extraterrestrial Colonization

12 Mar 2018

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RES Subglacial Mapping Used to Assess Extraterrestrial Colonization Eric Phelan Successful colonization of another planet involves countless variables being addressed prior to mission launch. Water, being essential to sustaining human life, must be available in sizable quantities in order to establish a fruitful, long-term colony. But even with water filtration systems operating at one hundred percent efficiency, a viable native source of water must be identified ...

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Theories of Black Holes

12 Mar 2018

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Zhiting Liu The Black Hole The first impression of a black hole may be heard like a dark and a very horrible hole. It was a big planet that you cannot ignore. It is the object that have a very strong gravitational, even the light cannot escape. When the Schwarzschild radius of the star is tiny, even the light vertical emitting to the surface ...

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Experiment to Determine the Coefficient of Friction

12 Mar 2018

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Student Name: Ahmad Raza Summary: This experiment has two aims. The first aim of this experiment is to determine the coefficient of friction on an inclined plane by using various materials tray. Secondly, to verify that the force have already found which were required to move a body on an inclined plane. We have provided apparatus to do this experiment that include stainless steel plane, load ...

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Health Dangers of Cell Phones and Ethical Selling

12 Mar 2018

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Karabo Dhlamini Table of Contents Research Question Introduction Hypothesis Definition of Electromagnetic radiation Definition of Concept Advantages of Mobile Phones Disadvantages of Mobile Phones Conclusion Glossary Bibliography Acknowledgements No table of figures entries found. Research Question In conjunction with the various health issues associated with society and its use of mobile phones, is it ethical for retailers to sell this device without informing ...

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Conditions for Equilibrium Experiment

12 Mar 2018

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Laboratory Report Tricia Desierto, Luis Diaz, Karhen Estella, Gabrielle Beatrix Francisco Department of Biological Science College of Science, University of Santo TomasEspaña, Manila, Philippines Abstract The object is said to be in a state of equilibrium, when the forces acting upon an object are balanced. There were four activities done in the experiment. In the first activity the equilibrant force was determined. The second activity, unknown ...

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Intelligent Transmit Power Control

12 Mar 2018

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The Intelligent Transmit Power Control In Expanding The Limitation Of Range For Bluetooth Communication For Indoor Navigation System Jamilah Binti Mohamed   INTRODUCTION As time goes by, the technology is grown up very fast. The technology is created and invented according to the necessities of consumers. In addition, there have many scientist did researched and experiment to find the solutions for our problems in ...

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Sensing of Human Blood Group by SPR Based Sensors

12 Mar 2018

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Contents- Introduction Basic of Surface Plasmon P and S polarized light waves Properties of Surface Plasmon Waves Transverse Electric and Transverse Magnetic Waves Dispersion Relation for Surface Plasmon Principle Total Internal Reflection N-Layer Model and Fresnel’s Relation Evanescent Waves Resonance Condition Minimum of Reflectance at Resonance Drude Model For free electron gas Angular Interrogation and Wavelength Interrogation Performance parameters for SPR based ...

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New Ternary Fe-Ni-Cu Invar Alloys Preparation

12 Mar 2018

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Preparation and Characterization of New Ternary Fe-Ni-Cu Invar alloys S Ahmada, A B Ziya[1], a, A Ibrahimb, S Atiqb, N Ahmada and F Bashirc   Abstract. Six alloys of Fe65Ni35-xCux(x= 0, 0.2, 0.6, 1, 1.4, 1.8 at.%) have been prepared by conventional arc-melting technique and characterized by utilizing in-situ X-ray diffraction (XRD) technique and differential scanning calorimetry (DSC) at a range from room temperature to 773 ...

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Porous Silicon p-type with Different Current Density

12 Mar 2018

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Photoluminescence and Band Energy Gap For Porous Silicon p-type with Different Current Density and Different Etching Time 1Mohammed Jabbar Hussein, *1W. Mahmood Mat Yunus, 2Halimah Mohamed Kamari 3Josephine Liew Ying Chyl,   Abstract Photoluminescence (PL) for porous silicon lead to studied by many researcher .this phenomenon which has application in many devices. Porous silicon can be used in the optoelectronic devices and sensor. Therefore, the study to ...

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Beam Behaviour and Magnetic Field of K500 Scc

12 Mar 2018

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Vinay Singh#, A Dutta, A Agarwal, C Das, B Naik, Z A Naser, S Paul, U Bhunia, J Pradhan, J Debnath Variable Energy Cyclotron Centre, 1/AF Bidhan Nagar, Kolkata 700064 Abstract The extraction of the beam from the K500 Superconducting Cyclotron in Kolkata is posing a great challenge. After getting the internal beam, lots of effort was made to extract the beam and thereafter various experiments ...

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