Conic section is the collective name given to the shapes that we obtain by taking different plane slices through a double cone. The shapes that we obtain from these cross-sections are drawn below. It is thought that the Greek mathematician Menaechmus discovered the conic sections around 350 bc.

Cooking With Miranda - Baked Spaghetti
Ten-Year Old budding chef guides us through her grandma's extra special recipe for spaghetti!

Author(s): No creator set

Graphing Linear Equations and Inequalities: Summary of Key Concepts
This module contains the a graphing linear equations and inequalities from Elementary Algebra by Denny Burzynski and Wade Ellis, Jr.

Brandwood, G., Davison, A. and Slaughter, M. (2004) Licensed to Sell: The History and Heritage of the Public House, London, English Heritage.

Wilkinson, A. (2001) Enough Has Been Bulldozed! Save Farnborough, the Cradle of British Aviation, London, SAVE Britain's Heritage.

World Heritage List (2005) ‘The criteria for selection’ (Accessed 27 May
Author(s): The Open University

Simon Blackburn on Truth: A Guide for the Perplexed - 2005
Simon Blackburn discusses his book Truth: A Guide for the Perplexed. The lecture was delivered at the University of Toronto, in May, 2005
Author(s): No creator set

Calculus 134 | 01/14/13
David Pruis' twice-weekly Calculus class at Grand Rapids Community College.
Author(s): No creator set

In today's short but action-packed episode, check out the new Single-File IntelliSense feature, where you can take advantage of VS browsing, navigation, IntelliSense, and more simply by opening your source files in VS! And afterwards, for reals, go check it out for yourself, and let us know if it's as magically awesome as we're hoping it is!

Author(s): Gabriel Ha

This video focuses on the Camel Spider of Colorado. It tells of the unique features of the Camel Spider. The narrator has a good clear speaking voice. He does a voice over as a Camel Spider is shown. Run time 01:36.
Author(s): No creator set

I've never quite lost the sense of wonder at the way information can be transmitted with no visible link between the sender and recipient. When I was a child I used to think that sound came through the wire linking my family's radio to the mains electricity supply (I was born before the days of battery-powered transistor radios) and I couldn't understand why my parents referred to it as 'the wireless' – since clearly it wasn't. I now know that the wire simply fed the radio with the electric
Author(s): The Open University

This course explores the management of local knowledge-generating practices with regard to their wider contexts. Although these local practices might be considered in terms of individuals acting and thinking as if they were autonomous, independent agents interacting with other agents, such practices are simultaneously shaped by shared skills and understandings. As Karl Marx pointed out, when the hero of Daniel Defoe's (1660–1731) novel Robinson Crusoe (Defoe, 1994, first published in
Author(s): The Open University

A striking contradiction of the internet revolution is that, although cyberspace allows firms to be located anywhere, they still seem to cluster together in global cities such as New York, London and Sydney (Castells, 2001). Four years after publishing a book proclaiming The Death of Distance, Frances Cairncross noted in the book's second edition that, ‘Economists, most of whom have long ignored or despised economic geography, are now taking a fresh interest in it’ and, after revie
Author(s): The Open University

Now we will look at the way Philip and Hansa wrote and presented their essays. Did you find them both easy to read? As regards Philip's, my answer is, ‘yes and no’. It is sometimes easy because he has a fluent way with words. But it is often difficult because he does not use enough punctuation to help us make sense of his words, and because of certain mistakes he makes. I found Hansa's essay easier to read. Her writing is more technically correct and more assured than Philip's. But
Author(s): The Open University

There is so much information available on the internet on every topic imaginable. But how do you know if it is any good? And if you find a lot more information than you really need, how do you decide what to keep and who to discard?

In this section we are going to introduce a simple checklist to help you to judge the quality of the information you find. Before we do this, spend a few minutes thinking about what is meant by information quality.

Author(s): The Open University

Taylor starts with some introductory comments. Notice the informal style he uses because this is essentially a script for a talk to a colloquium. Notice also the other issue that I raised earlier, that Taylor is assuming that his listeners are fami
Author(s): The Open University

What Is The Spring Equinox?
Meteorologist Jim Cantore and Winter Weather Expert Tom Niziol explain what the Spring Equinox is. (01:00)
Author(s): No creator set

Recycling Aluminum Cans
This video from Sesame Street Video is for preschoolers about how to recycle aluminum cans.  A preschooler explains how some things can be reused and how to recycle.  (02:06)
Author(s): No creator set

2.3 Synchronous and asynchronous message passing

Synchronous message passing involves one entity (usually a client) in the message passing process sending a message and a second entity (usually a server) receiving it, carrying out some processing and then sending back some response which the first entity processes in some way. While the second entity is carrying out the processing the first entity pauses waiting for the response.

In asynchronous message passing each entity in the process does not have to wait for the next part
Author(s): The Open University

Tilapia aquaculture in Honduras.

 An educational project in Honduras trained local people on the aquaculture of Tilapia. Local residents made their own aquacultures and improved their diet and income.

Author(s): No creator set

African Americans Against the Bomb: Nuclear Weapons, Colonialism, and the Black Freedom Movement
Andrew W. Mellon Foundation Seminar on Violence and Non-Violence Vincent J Intondi on his new book, African Americans Against the Bomb: Nuclear Weapons, Colonialism, and the Black Freedom Movement Learn more about the book here: http://www.sup.org/books/title/?id=23490 Introduction Elaine Scarry Walter M. Cabot Professor of Aesthetics and the General Theory of Value, Harvard University Cosponsored by the Mahindra Humanities Center's Andrew W. Mellon Foundation Seminar on Violence and Non-Vio
Author(s): No creator set

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Author(s): The Open University