Echo Planar Imaging, or EPI, Fast Imaging Techniques (MRI)
Echo Planar Imaging, or EPI, Fast Imaging Techniques (MRI) Physics Essay
15 pages (3750 words) , Essay
Nobody downloaded yet
EPI is a fast, flexible imaging method, with good contrast and resolution, and with many potential applications in clinical imaging, such as functional MRI and rapid entire brain imaging. Though, EPI can be very unforgiving and requires careful parameter selection (Weishaupt, Koechli and Marincek, 2008).
Preview essay
Investigation and previous work on optical and thermal measurements in transparent materials
Investigation and previous work on optical and thermal measurements in transparent materials Physics Dissertation
16 pages (4000 words) , Download 1 , Dissertation
Therefore, this chapter details previous studies on the optical and thermal analysis of optical materials. The basics of ray tracing, optical features and thermal analysis are described first, followed by a discussion on previous investigations on optical, thermal and physical properties of glasses and polymeric materials such as polymethyl methacrylate (PMMA).
Preview essay
sponsored ads
Hire a pro to write
a paper under your requirements!
Win a special DISCOUNT!
Put in your e-mail and click the button with your lucky finger
Your email
YOUR PRIZE:
Apply my DISCOUNT
Echo Planar Imaging, or EPI, Fast Imaging Techniques (MRI)
Echo Planar Imaging, or EPI, Fast Imaging Techniques (MRI) Physics Essay
10 pages (2500 words) , Essay
Nobody downloaded yet
Introduction Magnetic susceptibility refers to the process y issue tissue affects magnetic field. The existing boundaries between fat and compact bone are normally affected by the transverse magnetic field de-phasing and signal distortion. The consequent of the above is that frequency positions in the wrong location in the phase direction.
Preview essay
The Second Law of Thermodynamics
The Second Law of Thermodynamics Physics Term Paper
9 pages (2250 words) , Term Paper
Nobody downloaded yet
In the second law of thermodynamics, when complex systems undergo a certain change, then the system will either maintain their current order or decrease their order. This means that a change in a system cannot increase the order of the system. This principle can be well applied in our day to day life.
Preview essay
Magnetic Geophysical Method
Magnetic Geophysical Method Physics Essay
12 pages (3000 words) , Essay
Nobody downloaded yet
The magnetic geophysical method is a scientific approach that is used to measure variations or anomalies that are localized and small in the magnetic field of the earth. Materials found on the surface of the earth such as the basic igneous rocks, and the ore magnetic bodies are helpful when it comes to the identification of the magnetic variations because they have the magnetic properties.
Preview essay
Range of semiconductor devices and circuits
Range of semiconductor devices and circuits Physics Coursework
12 pages (3000 words) , Coursework
Nobody downloaded yet
If the positive side of the ohmmeter is connected to the P-material and the negative side to the N-material the diode will be forward biased and due to this the voltmeter will at an appropriate scale will indicate some resistance. When the two ohmmeter leads are reversed the diode will be reverse biased and this indicates whether a diode is good or bad.
Preview essay
Global pattern of earthquakes and seismic energy distributions
Global pattern of earthquakes and seismic energy distributions Physics Term Paper
10 pages (2500 words) , Term Paper
Nobody downloaded yet
In this regard, it is agreeable that the studies that oriented on studying the impacts of the amounts of energy that are produced by the seismic events are also pertinent. A large number of studies, which have inclined on complete logs analysis that contain all sizes of events, have created the allowance for the analyses pertaining to the number of events, denoted as N, as well associated energy, which is often denoted as E.
Preview essay
Evidence for (or against) water on Mars
Evidence for (or against) water on Mars Physics Research Paper
8 pages (2000 words) , Download 1 , Research Paper
Evidence for (or against) water on Mars. The issue of presence of water on mars has been a challenging question for many astronomers since 1877. “In the 1800s, human imaginations ran wild as astronomers glimpsed what they took to be canals on the Martian surface.
Preview essay
Positron Annihilation
Positron Annihilation Physics Essay
10 pages (2500 words) , Essay
Nobody downloaded yet
When a low energy positron collides with a low energy electron, there is an emittance of two gamma rays in the opposite direction. This phenomenon, also called positron annihilation, results in two gamma rays at 180° and with 0.511 MeV of energy moving in opposite directions.
Preview essay
Diffusion weighted (DW) Magnetic Resonance Imaging MRI
Diffusion weighted (DW) Magnetic Resonance Imaging MRI Physics Essay
13 pages (3250 words) , Essay
Nobody downloaded yet
Achievement of Different Diffusion Weightings 11 IV. Diffusion Information- Measurement 11 References 13 I. Introduction This paper discusses diffusion in general, and diffusion in the context of its use in magnetic resonance imaging or MRI. It discusses the use of diffusion in different MRI methods, with a focus on diffusion-weighted MRI.
Preview essay
Did asteroids kill the dinosaurs
Did asteroids kill the dinosaurs Physics Coursework
5 pages (1250 words) , Coursework
Nobody downloaded yet
The extinction event that is most familiar today is the one which killed off the dinosaurs, and allowed mammals to take their current place as the dominant species type (York 2006). One of the most well-known theories for the cause of this extinction event is an asteroid hit, but there are several others, including global climate change, volcanic eruptions, communicable disease, and sex determination.
Preview essay
Alternating Current and Direct Current
Alternating Current and Direct Current Physics Essay
8 pages (2000 words) , Essay
Nobody downloaded yet
This essay analyzes the two main specific types of current: alternative current and direct current. The direction of the current flow is altered or reversed in the case of alternative current. Direct current is a little different from alternative current because it flows in the same direction all the time and no alteration is done with it like in the case of alternative current.
Preview essay
Heat and temperature
Heat and temperature Physics Coursework
4 pages (1000 words) , Coursework
Nobody downloaded yet
(Liboff, 1990) The addition of energy especially heat energy triggers particles to move faster while the removal of heat energy slows the particles down. Hence, if the state of heat energy of a system is known then the speed of its particles can be ascertained to a reasonable extent.
Preview essay
Cell Phone Radiation Effects on Humans
Cell Phone Radiation Effects on Humans Physics Research Paper
4 pages (1000 words) , Research Paper
Nobody downloaded yet
Some say that cell phones are linked to higher occurrences of cancer and other ailments, while other studies report that cell-phone users have no higher rate of cancer than the population as a whole. No study to date has provided conclusive evidence that cell phones can cause any of these illnesses.
Preview essay
Riblets and Tripwires and their role in reducing drag over underwater aerofoils
Riblets and Tripwires and their role in reducing drag over underwater aerofoils Physics Essay
4 pages (1000 words) , Essay
Nobody downloaded yet
Passive strategies for drag reduction in air and underwater vehicles, such as airplanes and submarines, are increasingly being investigated as they reduce the cost of operation of the vehicle by increasing its speed and efficiency. This essay discusses riblets and tripwires, and their use in drag reduction technology.
Preview essay
The Origin of the Moon
The Origin of the Moon Physics Essay
5 pages (1250 words) , Download 1 , Essay
The origin of moon has always been an unresolved enigma for investigators of science. Though four different theories have been proposed, none were able to explain completely the circumstances in which moon was born and became paired in a crucial way with the earth.
Preview essay
Endangered and Threatened Species of Wyoming
Endangered and Threatened Species of Wyoming Physics Essay
5 pages (1250 words) , Essay
Nobody downloaded yet
Grizzly Bear. The grizzly bear (see Figure 1), whose scientific name is Ursus arctos horribilis, is called grizzly due to the light-colored fur on the back and shoulders, which may be brown, or blonde, or black. However, the fur of all grizzlies are white-tipped, making the fur looked grizzled.
Preview essay
Cause and effects of Ozone Depletion
Cause and effects of Ozone Depletion Physics Research Paper
4 pages (1000 words) , Research Paper
Nobody downloaded yet
In other words, ozone is more important than oxygen as far as the sustainment of life forms on earth is concerned. The Ozone layer at the top of the atmosphere prevents harmful ultraviolet radiations produced by sun and other stars from reaching earth. However, manmade activities are causing huge problems to the ozone layer at the top of the atmosphere and the depletion of this layer is currently taking place.
Preview essay
Black Hole. Characteristics and nature
Black Hole. Characteristics and nature Physics Essay
5 pages (1250 words) , Essay
Nobody downloaded yet
Black Hole. Black holes are very condensed space objects that were formerly the huge stars, which crumpled inward as a result of the power of their own gravity. Consequently, black holes are extremely thick. A black hole is a section of space-time from which “nothing, not even light, can escape” (Susskind & Lindesay, p.
Preview essay
Solar panels in Burkina Faso
Solar panels in Burkina Faso Physics Essay
4 pages (1000 words) , Essay
Nobody downloaded yet
The paper briefs about the initial problems after the 2009 floods and explains the reasons behind this installation. Furthermore, the paper contains a detailed but simplified explanation of the working of solar cells including the structure of solar cells, the P-N junction and the mobile electron-hole pairs, along with the number of cells which will be needed for the required purpose.
Preview essay
Give a description of the Cosmological Principle, and present a summary in your own words. Is it a truly scientific principle
Give a description of the Cosmological Principle, and present a summary in your own words. Is it a truly scientific principle Physics Essay
4 pages (1000 words) , Essay
Nobody downloaded yet
To have an in-depth analysis of the situation, various stakeholders such as philosophers, physicists, and astronaut have been working together. Despite this, disagreements have been evident due to differences in education background. The main difference between cosmology and astronomy is that cosmology covers a wider scope while astronomy is narrower and limited to celestial bodies and their interaction.
Preview essay
Quantum Dynamics of Ion Traps for quantum computing
Quantum Dynamics of Ion Traps for quantum computing Physics Research Paper
7 pages (1750 words) , Download 1 , Research Paper
Looking at the quantum dynamics of cold trapped ions with application t quantum computation I will begin by explaining what a quantum computer is. A quantum computer is an instrument with the ability to accommodate a certain amount of data. This data in the quantum computer is accommodated within a system of quantum mechanical double level networks for example as spin – half particles or atoms of two levels.
Preview essay
Erosion, weathering, mass wasting. Earths Interior Geologic Time Scale
Erosion, weathering, mass wasting. Earth's Interior Geologic Time Scale Physics Assignment
4 pages (1000 words) , Assignment
Nobody downloaded yet
Erosion occurs when wind or water blow/wash away the topmost fertile layer of soil. As fertile land loses its fertility due to soil erosion, it is difficult to grow crops on eroded lands. Apart from affecting crops, erosion also weakens land, causing buildings to collapse.
Preview essay
The Hubble Telescope
The Hubble Telescope Physics Research Paper
6 pages (1500 words) , Research Paper
Nobody downloaded yet
Time and again man invented various instruments that assisted in the finding out of what resided in the skies that were apparently unseen to man. Among these instruments one of the most revealing instrument proved to be the invention of the telescope. Its subsequent placement into the atmosphere beyond the Earth’s visible skies opened new horizons of information regarding the universe.
Preview essay
The Lewis Spacecraft Mission Failure Investigation Board Report
The Lewis Spacecraft Mission Failure Investigation Board Report Physics Term Paper
5 pages (1250 words) , Term Paper
Nobody downloaded yet
The Lewis Spacecraft Mission Failure Investigation Board Report. The Lewis Spacecraft Mission failure of 1997 brings to the fore the risks inherent in engineering project management in the area of space exploration. NASA hoped to use the project to demonstrate the viability of using smaller satellites for space applications (NRC & NASA 54).
Preview essay
The Vast Solar System
The Vast Solar System Physics Assignment
4 pages (1000 words) , Download 1 , Assignment
One of the most amazing part of creation would be the solar system. Today, the solar system is still a mystery to some people while those that understand what it really is are awed by its vastness. First of all, the solar system is made up of the star which we call the Sun; many planets namely Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto; and numerous comets, asteroids, and meteoroids.
Preview essay
Effective Spring Constant
Effective Spring Constant Physics Lab Report
3 pages (750 words) , Download 1 , Lab Report
For each configuration, we suspended a number of masses on the spring system and measured the displacement of the setup from its original position. We’d then find out the effective spring constants graphically by plotting the graph between the force applied and displacement of the system.
Preview essay
Ecology and the Environment
Ecology and the Environment Physics Essay
4 pages (1000 words) , Essay
Nobody downloaded yet
The main reason of the climate change is the green house gases that are the result of burning of fuel and other resources of the earth to attain power. The increases in the emission of the green house gases given rise to the temperature of the earth, which became one of the biggest threats to the habitat of the earth like the many species of the coral reefs, are vanishing due to the rise in temperature.
Preview essay
Dr. Stephen Hawking
Dr. Stephen Hawking Physics Research Paper
8 pages (2000 words) , Research Paper
Nobody downloaded yet
Furthermore, this paper will chronicle the subsequent career and profession that he has as a theoretical physicist, which in turn, made him into an academic and scholastic celebrity. During his career of many years, he has accomplished numerous achievements and this paper will name and exemplify these attainments and successful discoveries.
Preview essay
Signal Space Cooperative Communication
Signal Space Cooperative Communication Physics Essay
3 pages (750 words) , Essay
Nobody downloaded yet
Here the original constellation is expanded so that it can accommodate all possible combinations of different components of signal points in the original constellation. In order to cooperate effectively in the relay phase, it is necessary for the relay to extract all the information required.
Preview essay
Suppose you were selected for special position
Suppose you were selected for special position Physics Essay
4 pages (1000 words) , Essay
Nobody downloaded yet
Securing a good employment position is not easy especially with the current observed scenarios of employment, unemployment and laying off of workers to account for certain economic situations. Doing what one really wants to do is the beginning of success for any one person who seeks for employment.
Preview essay
FOSSIL FUEL REPLACEMENT
FOSSIL FUEL REPLACEMENT Physics Essay
3 pages (750 words) , Download 3 , Essay
Free
They are mainly used for industrial and for domestic purposes. These sources of energy are, however, non-renewable and are limited in supply; this is because they take too long to form. Furthermore, once their deposits are depleted they cannot replenish. According to the U.S.
Preview essay
The Theory of Continental Drift
The Theory of Continental Drift Physics Research Paper
5 pages (1250 words) , Research Paper
Nobody downloaded yet
He said that the continents seemed to fit together at the edge of their continental shelves. He based his argument from the observation that the rocks and fossils at the southern hemisphere exhibited a similar pattern. This pattern referred to as the "Gondwana sequence".
Preview essay
Effectiveness of Cloud Seeding
Effectiveness of Cloud Seeding Physics Research Paper
8 pages (2000 words) , Download 1 , Research Paper
In order to attain this, substances are dispersed from ground generators or planes into the air to act as ice nuclei or cloud condensers. Their function is to change the microphysical process within the mass of cloud. This technology is gaining a widespread application globally and its practical uses are fog removal, lighting suppression, causing precipitation in form of rainfall, preventing hailstorms and hurricane control.
Preview essay
Determining the density of an irregular solid
Determining the density of an irregular solid Physics Lab Report
4 pages (1000 words) , Lab Report
Nobody downloaded yet
Challenge to the determination of the density of an irregular solid is poised to its non-conformity to the any three-dimensional object that are used in the functional determination of the volume of natural and synthetic three dimensional objects. An irregular object falls outside the circular, ellipse, triangular, square, and rectangular or sphere basic units used in the mathematical computation of object.
Preview essay
Gas turbine engine basics
Gas turbine engine basics Physics Coursework
8 pages (2000 words) , Coursework
Nobody downloaded yet
Turbojets with converging-diverging nozzle (Sherwin, Keith & Michael, Horsley, 1996) There is an upstream rotating compressor that is coupled to a downstream turbine, and a combustion chamber in-between, and the accelerated gases moving through the engine nozzle is used to provide thrust, which drives the aircraft.
Preview essay
A history of ultrasound physics and the properties of the transducer
A history of ultrasound physics and the properties of the transducer Physics Research Paper
5 pages (1250 words) , Download 4 , Research Paper
Transducers act as both a transmitter and a receiver of ultrasound and are capable of producing beams that are in turn directed in a variety of ways of improving the quality of the images that are seen on the screen. The main component of the transducer is made from a special piezoelectric material, which implies that they are capable of converting one form of energy to another; for instance, electrical energy can be converted to mechanical energy and vice-versa.
Preview essay
Physics of racing
Physics of racing Physics Research Paper
3 pages (750 words) , Research Paper
Nobody downloaded yet
The research paper commences on the comprehension of components that work up several and easy equations that can be used to determine weight transfer in any car. The weight transfer will also be determined using information only obtained from the wheelbase, CH height, distribution of the static weight of the car and driver, and the design of the racetrack, or simple space amid the wheels across the car (Beckman, 2002, p.
Preview essay
The Relationship Between Magnetism and Electricity by Bidisha Mukherjee
The Relationship Between Magnetism and Electricity by Bidisha Mukherjee Physics Essay
2 pages (500 words) , Download 0 , Essay
Free
The article by Bidisha Mukherjee, “The Relationship Between Magnetism and Electricity”, discusses the link between electric and magnetic fields, and the way one can be produced and effected by the other. It states that a changing electric field, or electric field in motion, called electricity, produces a magnetic field.
Preview essay
Energy and socity
Energy and socity Physics Lab Report
3 pages (750 words) , Lab Report
Nobody downloaded yet
This lies in the number and atoms’ type, which constitute their individual molecules. For instance, diatomic molecules like N2 & O2 have similar atoms contradictory H2O, CH4, and CO2 whose atoms plus bonds differ radically. This influences their rate of IR absorption.
Preview essay
Earth and space sciences
Earth and space sciences Physics Term Paper
4 pages (1000 words) , Term Paper
Nobody downloaded yet
At the edges of these plates are what is known as volcanoes, openings in the surface of the earth that can at times spew hot ash, steam, lava, and molten magma that will obliterate anything and everything in their paths. They are aptly and appropriately named, given their designation long ago by the ancient Romans, who witnessed many eruptions on the island of Vulcano, and thus gave the name to the spitting mountains of molten lava in tribute to Vulcan, their god of fire and maker of weapons (Decker and Decker 7).
Preview essay
Aircraft maintenance planning procedures
Aircraft maintenance planning procedures Physics Research Paper
10 pages (2500 words) , Research Paper
Nobody downloaded yet
The paper operates mainly based on research questions which can be stated as follows: Technical log: required information, purpose, who can certify? How is data recorded, kept where? Maintenance schedule: who creates it? who approves it? types of maintenance check, flight hours and cycles, work pack, job cards maintenance records?
Preview essay
Sculpturing the Earths Surface. The Florida Everglades
Sculpturing the Earth's Surface. The Florida Everglades Physics Essay
4 pages (1000 words) , Essay
Nobody downloaded yet
“The universe is reflected in the sides of a grain of sand” stated William Blake and this stands absolutely true for the region defining the South Florida Everglades (as cited in Dugger, n.d). It is a living example of how much destruction a hundred years of forced oppression can impose upon a region.
Preview essay
The possibility of extra-terrestrial life
The possibility of extra-terrestrial life Physics Essay
3 pages (750 words) , Download 0 , Essay
Free
In the past few years, scientists have been indulged in such kind of imaginations which are a sight of both excitement and fear. This mind is exploring the possibility of extra-terrestrial life on earth or in the universe. Recent studies have convinced them, at least, that even bacteria are classified under this kind of life.
Preview essay
Is global warming man made
Is global warming man made Physics Essay
4 pages (1000 words) , Download 1 , Essay
It is a fact that the average atmospheric temperature has increased more than 1 degree Fahrenheit since 1900. Moreover, climate changes, unexpected floods, storms, earthquakes, tsunami, etc are taking place quite frequently in recent times. Sea level is also rising because of the melting of huge ice blocs in the Polar Regions.
Preview essay
Oceans and Climate Change
Oceans and Climate Change Physics Essay
3 pages (750 words) , Essay
Nobody downloaded yet
The first of these and one which is really worth mentioning is the Gulf Stream. The Gulf Stream is responsible for the “relatively mild climates of northeastern North America and Europe” (Murck et al., 2010). The Gulf Stream is a warm water current that begins in the Gulf of Mexico and goes out into the Atlantic through the Florida strait.
Preview essay
Ethical case study( The loss of the Shuttle Columbia)
Ethical case study( The loss of the Shuttle Columbia) Physics Essay
9 pages (2250 words) , Essay
Nobody downloaded yet
The study critically analyzed the major issues and ethical lapses that allowed the incident to occur. The recommended actions include a culture change at NASA, effective leadership, improved communication systems, stronger regulation and better focus on the research and development of space shuttles.
Preview essay
Space Exploration
Space Exploration Physics Research Paper
6 pages (1500 words) , Download 1 , Research Paper
COVER STORY During the heat of the space race in the 1960s, NASA decided it needed a ballpoint pen to write in the zero gravity confines of its space capsules. After considerable research and development, the Astronaut Pen was developed at a cost of approximately $1 million US dollars.
Preview essay
The physical properties of glass and polymer materials PMC
The physical properties of glass and polymer materials PMC Physics Essay
7 pages (1750 words) , Essay
Nobody downloaded yet
The durability of any material in its production has been a crucial aspect; a factor that calls for eventual upgrading of the raw materials. The enhancement of glass and PMC has been effected by altering their physical properties through the optical and thermal properties enhancement (Brydson, 1999).
Preview essay
Greenhouse Effect and Global Warming
Greenhouse Effect and Global Warming Physics Essay
3 pages (750 words) , Download 10 , Essay
Our atmosphere makes life on earth possible. It is a complex natural system that provides a multitude of benefits (Critchfield, 1983). One of these benefits is referred to as The Greenhouse Effect. As solar radiation enters the atmosphere much of it is immediately reradiated out into space by cloud cover.
Preview essay
1051 - 1084 results of 1084 items
We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.

Let us find you samples on subject Physics for FREE!

Contact Us