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XNA: Game Development - Making Games Respond with Collision

Games are only really games if things bump into one another. In this video, Josh Foss and Elbert Perez show you how and why collision works in both 2D and 3D. Watch, then code along at http://create.msdn.com/education/tutorial/2dgame/collision.

We will be featuring a new XNA Game Development video each Monday for the next ten weeks.  If you simply can't wait and would love to jump ah
Author(s): Tina

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How to Shop for Free Online

Web applications increasingly integrate third-party services. The integration introduces new security challenges due to the complexity for an application to coordinate its internal states with those of the component services and the web client across the Internet. In this paper, we study the security implications of this problem to merchant websites that accept payments through third-party cashiers (e.g., PayPal, Amazon Payments and Google Checkout), which we refer to as Cashier-as-a-Serv
Author(s): Charles

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Biotechnology-New Strategies in Agriculture
Fish production markedly depends on the natural resources, although useful strains have been produced by the conventional cross-hybridization in case of tplants and animals. In this lecture, newly developed techniques of fish production including gene transfer will be introduced.
Author(s): 001

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Biological Rhythm and Health Sciences
Every creature inhabiting the earth, including human beings, lives with a body rhythm of various periods. Among the various studies, the study of circadian rhythm was performed flourishingly in particular and it became clear that the circadian rhythm was closely related to a behaviour pattern in our daily life and health after a series of studies about how it was performed. As a result of fixed 24-hour society in our life, we are having a lot of benefits but on the other hand, the body rhythm wi
Author(s): 001

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6.6 Worlds without end
How does the computer's peculiar binary world of digital entities differ from our analogue world of colour, sound, taste and touch? This unit explores the way in which information, in the form of text, still and moving images, and sound can cross the boundary from the analogue universe into a digital world.
Author(s): The Open University

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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

Spell-a-thon List 06 - Quiz
This quiz tests your ability to spell words from the CARI Spellathon 2005 list 6.
Author(s): No creator set

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"We Want Real Jobs:" Sandra White and Brenda Steward on the Work Experience Program in New York City
During the 1960's and 1970's welfare reform movements from the left sought to increase benefits and expand community power, but in 1996 critics from the right passed the federal Welfare Reform Act to limit the program by imposing time-limits and restrictions on welfare benefits. In New York City, the Work Experience Program (WEP), or workfare, initiated in conjunction with the 1996 act, required welfare recipients to "pay off" their welfare benefits by working menial jobs for the city at well be
Author(s): Center for History and New Media/American Social H

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Module One: Interpersonal Relationships
The present module entitled "Intra-Personal Relationship Skills" will address several components such as self esteem and self improvement, values education, goal setting and time management, substance use and abuse, heritage and finally, wellness and care which will focus on nutrition, fitness and stress management. This will provide learners the opportunity to use basic self development concepts and strategies that promote self respect and high self-esteem. They will develop an understanding of
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Module 8: Medium- and Long-term Financing
Identify and arrange medium- and long-term finance for an overseas buyer (internal/external) to allow the buyer extended terms while providing cash payment to a seller without recourse. MSU Global has teamed with experts in the international finance field to create resources to help increase international skills in the business community. These materials address the need of the international trade practitioner for knowledge and information that is specific to trade finance by providing a means
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Error Control Coding
We will explore the theoretical and historical motivation behind modern error control coding, particularly algebraic block coding. Linear codes, both block and convolutional, will be introduced, followed by a description of the algebraic tools necessary to describe and implement Reed-Solomon codes. Modern algebraic concepts including Galois fields will be presented, along with circuit implementations. Also, convolutional codes and trellis-coded modulation will be covered, along with the Viterbi
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Surface Irrigation Design
This course was originally developed for the United States Department of Agriculture. It contains nearly 20 video lecture presentations with accompanying slides in English, Arabic, and French, an online textbook, homework assignments, and downloadable surface irrigation simulation software also developed by Dr. Walker. This course highlights design and evaluation of surface irrigation systems, field measurements for evaluating and improving uniformity and efficiency, simulation of surface system
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Tutorial Letter: General Information - Module One
In this module we will introduce you to concepts such as food security, food insecurity, nutrition security, livelihood security, food policies and programmes and the role of stakeholders and facilitators. You will gain the knowledge and skills required to gather information on many different levels, from the macro to the micro level. You will also, in time, become equipped to analyse community and household needs, understand the implications of policies and strategies for communities and househ
Author(s): FM Ferreira

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Changes in Ecosystems - by StudyJams
Ecosystems are constantly going through gradual changes.  Sometimes those changes are natural, and sometimes they are caused by humans.  Learn more about changes in an ecosystem with this cartoon animation from StudyJams.  A short, self-checking quiz is also included with this link.
Author(s): No creator set

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Public Speaking with Confidence ( Sean McArdle, Part 1)
This professionally-made video features Sean McArdle, a master motivator and speaker, explaining the importance/benefits of practicing a speech before actually presenting it.  He recommends practicing in a safe spot, such as in front of a mirror, to develop confidence and relieve nervousness.  ( 1:32)
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Cold Gas Dynamic Spray (CGDS): formation of Ti-Al intermetallics

CORE-Materials posted a photo:

Cold Gas Dynamic Spray (CGDS): formation of Ti-Al intermetallics

Cold gas dynamic spray, CGDS (or kinetic spray) is a rapidly developing c
Author(s): nobody@flickr.com (CORE-Materials)

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http://creativecommons.org/licenses/by/2.0/deed.en

"Quantum Optical Communication, Fall 2008"
" This course is offered to graduate students and covers topics in five major areas of quantum optical communication: quantum optics, single-mode and two-mode quantum systems, multi-mode quantum systems, nonlinear optics, and quantum systems theory. Specific topics include the following: Dirac notation quantum mechanics; harmonic oscillator quantization; number states, coherent states, and squeezed states; P-representation and classical fields; direct, homodyne, and heterodyne detection; linear
Author(s): Shapiro, Jeffrey

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Crocodile Skeleton - Front Limb
The crocodile has small limbs because its spends most of its time in water. The limbs are sprawled and it drags itself across land. The ball and socket joint allows the limb to move in different directions.
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Navigating by the Numbers
In this lesson, students will learn that math is important in navigation and engineering. Ancient land and sea navigators started with the most basic of navigation equations (Speed x Time = Distance). Today, navigational satellites use equations that take into account the relative effects of space and time. However, even these high-tech wonders cannot be built without pure and simple math concepts basic geometry and trigonometry that have been used for thousands of years. In this lesson, these b
Author(s): Janet Yowell,Jeff White,Malinda Schaefer Zarske,Pe

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