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How do I impact the ocean, how does the ocean impact me?

‘How do I impact the ocean, how...

Catapult Journal

Catapult Journal...

Efficiency of photovoltaic cells

This year's Nobel Prize has been awarded to an American physicist and chemist whose work paved the way to built efficient and low-cost polymer photovoltaic...

Organic semiconductors

General Observation of n-type Field effect Behaviour in Organic Semiconductors Organic semiconductors have been the main subject of active research in the recent years which is...

Physically aware of hot and cold

A BRIEF HISTORY OF TEMPERATURE MEASUREMENT Ancient people were physically aware of hot and cold and probably related temperature by the size of the fire needed, and...

The universe is very vast

The Scale of the Universe The Universe is very vast. Many unanswered questions of life lay hidden beneath this place so unfamiliar to our society. This...

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...

DSS measuring system

EXPERIMENTAL METHODS DSS MEASURING SYSTEM A computer controlled dielectric Spectroscopy (DSS) measuring system has been used to obtain the dielectric measurements. The system is based on dual...

Uniformity of gamma camera images

Introduction In 1958, Hal Anger developed the first ?- camera and forever changed the area of nuclear medical imaging. Anger's camera (also known as scintillation camera...

Refracting And Refractig Type Telescope Physics Essay

The idea that curved mirrors behave like lenses dates back at least to Alhazen's 11th century treatise on optics, works that had been widely disseminated...

Polymer photovoltaic cells

To produce cheap photovoltaic devices there is a need to develop a device which uses the low cost renewable energy sources like sunlight, heat air,...

Bubble in stagnant Newtonian fluids

Introduction:          Viscosity is an important property of a fluid which governs the many phenomena that appear when work is done on them. Fluids of different viscosities...

Presentatie ANW Artikel 50

Presentatie ANW Artikel 50: Zon en Aarde Wij houden onze presentatie over Artikel 50: Zon en Aarde. Dit artikel gaat over het verschil in...

Einstein's theory of lasers

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...

Van Allen Belt

INTRODUCTION The Van Allen radiation belt is atorus of energetic charged particles (plasma) around Earth, which is held in place by Earth's magnetic field. This field...

My clinical work

I manage and provide clinical supervision for 6 clinical psychologists, and as budgetholder, oversee an annual expenditure budget of £320K. My clinical work consists of a...

Universe and its history

The problem of the origin of the universe is one of the most profound and fascinating issues in the scientific world. There are certain theories...

Light is an extremely valuable source to all plants

Light is an extremely valuable source to all plants, without it, it is hard for them to photosynthesize, compete and reproduce Givnish 1988).  Light availability...

Vacuum pump

What is Vacuum Pump ? A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a...

Fiber optics and its applications

INTRODUCTION Nothing in the world gives us more power and confidence than having information. The ability to communicate information is essential to achieve the successful advancement...

Fibre optics

ACKNOWLEDGEMENT: History of all great works in to witness that no great work was ever done without either active or passive support of a person 'surrounding...

International gamma-ray astrophysics laboratory satellite

Introduction Gamma-ray has become the newest source to reveal the deepest mysteries of the Universe, to capture gamma-ray emitting from the gamma-ray burst, black holes, supernova...

Micro Electro Mechanical Systems (MEMS)

Chapter No.1 INTRODUCTION On the basis of atomic theory presented by Democritus around 450 B.C. many branches of science originated. According to his hypothesis everything to be...

Piezo-resistive pressure sensor

Introduction: Sensor is defined to be a device that can be responded to any type of signal and can receive those signals. The physical property of...

Complex musical signal

From the theory and the outcomes of the informal experiment, by presenting a complex musical signal in a harmonically decomposed and spatially distributed manner, it was expected...

The comparison of contrast sensitivity

Introduction: The aim of the experiment was to determine if comparable contrast sensitivity measurements could be taken using different psychophysical methods. Contrast Sensitivity is defined as "the...

Time dilation and length contraction

INTRODUCTION: Time dilation is a phenomenon (or two phenomena, as mentioned below) described by the theory of relativity. It can be illustrated by supposing that two...

Minimizing stress concentration in a member

Introduction A stress concentration (often called stress raisers or stress risers) is a location in an object where stress is concentrated. An object is strongest when...

Interfacial Thermocapillary Pressure of an Accelerated Droplet in Microchannels

Abstract Fluid flow and thermocapillary heat transfer near a droplet/air interface in microchannels is studied analytically and numerically in this set of two companion papers. Thermocapillary...

Fiber optics

ABSTRACT This paper looks at fiber optics as a technology that has been developing and improving the way the world communicates for more than two centuries....

Fabrication of Rhizophora spp

Abstract The aim of this study is to fabricate Rhizophora spp. Particleboard humanoid breast phantom and compare it with perspex phantom, and water phantom in therapy...

How to move an SPM tip

Introduction: In 1980's Scanning probe microscopy (SPM) dazed the world with its real images of the surface of silicon and these are used in variety of...

The Discovery Of The Electron

Two very basic and important equipments to investigation about the electron. 1. Vacuum Tube : Vacuum tube is a glasses tube surrounding vacuum which have anode and...

Dielectric

CHAPTER-4 RESULTS AND DISCUSSION EXPERIMENTAL RESULTS This chapter represents the results and discussion of the dielectric response of the four different sets of the samples without and with...

What are solar cells in physics

What are Solar Cells? Solar cells are devices that work on the principle of Photovoltaic Effect. These tiny compact devices convert solar light energy...