4.4 Velocity and acceleration as derivatives Recalling that the instantaneous velocity of a particle at time t is given by the gradient of its position-time graph at that time, we can now use the terminology of functions and derivatives to say that the velocity of the particle is given by the derivative of its position function. In terms of symbols: 4 Other influences on evolution One of the crucial conditions for natural selection to occur is that there must be variation. However, it is extremely important to appreciate that natural selection does not itself cause that variation; it simply acts on existing variation. The processes that do bring about variation are therefore major components of evolution. The most important of these processes, because it is really the ultimate source of all variation, is mutation. A mutation is an alteration in the geneti Activist: People of Slaviansk want peace 7 Ergonomics and human factors This section discusses designing for human capabilities and limitations. It introduces the study of ergonomics which can offer general guidelines as well as specific suggestions for good, user-centred product design. Taking the user as the central point of reference for the design and evaluation of products is the approach encouraged by ergonomists. The field of ergonomics (also known as human factors engineering) is the systematic study of human capabilities, limitations and requ 1 Topological spaces and homeomorphism Two topological spaces (X, TX) and (Y, TY) are homeomorphic if there is a bijection f : X → Y that is continuous, and whose inverse f−1 is also continuous, with respect to the given topologies; such a function f is called a homeomorphism. The relation ‘is homeomorphic to’ between topological spaces is the most fundamental relation in topology, because two topological spaces that are homeomo Introduction In this unit we examine one factor that very often seems to be found skulking around close to problems and solutions: temperature. Almost whatever we do, wherever we are, temperature changes. Stay in the same spot and you'll find daytime and night-time temperatures can be markedly different. You may even find significant changes in temperature during the day. When moving you can encounter more rapid variations. For example, an aircraft might leave a tropical runway where the air tempera Veggie Tales-The Star of Christmas part 5 4.4 The Council of the European Union The Council represents the interests of the individual member states and is seen as the legislative arm of the EU. It is composed of active representatives of the governments of the member states. Usually, these representatives are the departmental or junior ministers responsible for the matters under consideration at a specific Council meeting. This means that the Council itself, unlike the Commission, has no stable membership. Its membership varies depending upon the issues tabled for discu Global Health and Inequality [Audio] Acknowledgements Don't miss out: 1. Join over 200,000 students, currently studying with The Open University [http://www.open.ac.uk/ choose/ ou/ open-content] 2. Enjoyed this? Find out more about this topic or browse all our free How to Pronounce the Alphabet in French Gold: A Period Table Element 3 Biographical perspective: using pathways You will shortly be hearing excerpts from interviews with four men, who were contacted through the Swansea Cyrenians. They are all from very different backgrounds, and talk about their own experiences of homelessness. The clips are only brief insights into life without a home, but they do demonstrate the importance of a biographical perspective in understanding the unique and diverse needs of individual homeless people. Looking at situations from a biological perspective is The Graeco-Roman city of Paestum 1.3.3 Ineffability Most people who speak of their near-death experience say they have great difficulty putting it into words because, as one person put it, ‘There is no feeling you experience in normal life that is anything like this’. Film Theory and Architectural Design 18.413 Error-Correcting Codes Laboratory (MIT) 5 - conclusion (audio) Des formes pour vivre l’environnement Théorie, expérience, esthétique et critique politique Des formes pour vivre l'environnement. Théorie, expérience, esthétique et critique politique. La question environnementale est aujourd'hui centrale aussi bien dans les discours politiques, que les travaux scientifiques et le vécu ordinaire. Malgré Spanish Listening Comprehension for Advanced Learners #7 - Setting up a Meeting Room in Mexico
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April 21 - A day after a deadly shooting in Slaviansk, one activist says they just want peace. Meanwhile, Russia blames Kiev for failing to control extremists. Nathan Frandino reports.
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The VeggieTales gang is back for their second Christmas episode. Though the setting is Victorian England, old Ebenezer Scrooge is nowhere in sight, refreshingly. Cavis Appythart and Millward Phelps (Bob and Larry) are just finishing up their first holiday musical in an effort to "teach London to love." However, their hearts aren't in the right place, and the play has more electrical lights than well-meaning words. When they learn that a local church plans to bring out a priceless artifact for th
Speaker(s): Professor Sudhir Anand, Professor Amartya Sen | To ensure that people live long and healthy lives it is important to know what kills different groups of people in different places. The Global Burden of Disease (GBD) based on the Disability-Adjusted Life Year has been developed to do this. This lecture shows how this measure leads to various anomalies and biases, in particular it underestimates the health problems experienced by women and children. Sudhir Anand is Research Director of
Simply a cute green frog pronouncing the letters of the alphabet in French as they come on screen. What you see in the preview is pretty much what the whole video looks like. Run time 02:08.
This 3:35 long video explains how gold is used and why it is valuable. It is an excellent overview.
SYMBOL:
Au
ATOMIC NUMBER:
79
What can archaeological remains tell us about early cities and the people who lived in them? This album examines the important remains of one city, Poseidonia in Italy, founded towards the end of the 7th century BCE by colonists from the Greek city of Sybaris. Although only twenty-five per cent of the site has been excavated to date, much of its history and culture can be traced through its buildings, inscriptions, and decoration. After it became a colony of Rome in 273 BCE, it became known a
This paper describes a 10 week, 3rd year architectural design studio, taught by the author, that explored the use of film and video techniques in the design process. The exploration was of (1) the potential of recently available personal computer software and hardware for image and video capture, manipulation and recording, and (2) the potential for application of video, informed by film theory, in the early stages of architectural design.
This course introduces students to iterative decoding algorithms and the codes to which they are applied, including Turbo Codes, Low-Density Parity-Check Codes, and Serially-Concatenated Codes. The course will begin with an introduction to the fundamental problems of Coding Theory and their mathematical formulations. This will be followed by a study of Belief Propagation--the probabilistic heuristic which underlies iterative decoding algorithms. Belief Propagation will then be applied to the dec
Learn Mexican Spanish with Spanishpod101.com! Do you find yourself missing the nuances in Mexican Spanish conversations? Would you like to understand more of what’s happening around you in daily life in Mexico? Then this Mexican Spanish Listening Comprehension for Advanced Learners series is for you! In each lesson of this five-part series, you’ll see an [...]
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