Distance from a point to a vertical or horizontal line
An interactive applet and associated web page that demonstrate how to find the perpendicular distance between a point and a line that is either vertical or horizontal, given the coordinates of the point and the equation of the line. The user can set the orientation of the line and position, along with the location of the point. As the line is altered or the point dragged, the distance is recalculated. The grid and coordinates can be turned on and off. The distance calculation can be turned off t
Author(s): John Page

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Authors@Google: Evgeny Morozov
"The Net Delusion: The Dark Side of Internet Freedom" by Evgeny Morozov A timely examination of the promise and peril of the Internet in politics with controversial author Evgeny Morozov. As Egypt, Tunisia, Iran, and other regimes meet resistance from citizens using technology to plan and document revolt, Morozov offers a rare and well-argued critique of the web as a democratizing force. In this spirited book, journalist and social commentator Evgeny Morozov shows that by falling for the supp
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The Standard Model Architecture and Interactions Part 2 The Fermion Interaction
The Standard Model Architecture and Interactions Part 2 © 2011 Claude Michael Cassano The Fermion Interaction: An interaction with entry ingredients A,B and exit ingredients C,D is denoted as you see, here: A+B → C+D which implies it's anti-equivalent. A fermion interaction is an interaction between first and second order objects, i.e.: between solitary S sub R matrices. The initial step in a fermion interaction proceess is fu
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Where is Here?
In this lesson, students are shown the very basics of navigation. The concepts of relative and absolute location, latitude, longitude and cardinal directions are discussed, as well as the use and principles of a map and compass.
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Neuropathy - Motor Exam - Screening Tests Sub-exam - Patient 7
This 61-year-old man has had slowly progressive gait disturbance and weakness of his legs for 14 years. He has developed a limp in both legs, and his feet trip on objects and on uneven floor surfaces resulting in falls. He feels uncoordinated and unbalanced especially in the dark. He has to use a cane to assist ambulation. For the last 10 years, he has had numbness and tingling in both lower extremities. This began in his toes and now has extended proximally to his knees.
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Postboxes in postcode IP19
A collection of postboxes in postcode IP19
Author(s): Adrian Cable

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1.8 The OU requirements
Are you about to undertake a PhD in science, technology or mathematics? If so, this unit will help you to examine your work processes. You will consider and develop the nature of postgraduate work and look at the planning of work needed at doctoral level.
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

Indian power
Nirmalya Kumar, Professor of Marketing, shares the essence of what he learned from 10 trips to India to interview more than 30 CEOs and top executives who are unleashing the new global power of Indian firms

Postboxes in postcode IP13
A collection of Postboxes in Postcode IP13
Author(s): Adrian Cable

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Postboxes in postcode IP12
A collection of postboxes in postcode IP12
Author(s): Adrian Cable

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McAlpine Lecture
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Area of a triangle (Coordinate Geometry)
An interactive applet and associated web page that calculate the area of a triangle using the formula method in coordinate geometry. The applet has a triangle with draggable vertices. As you drag them the triangle's area is recalculated from the vertex coordinates using the formula. The grid and coordinates can be turned on and off. The area calculation can be turned off to permit class exercises and then turned back on the verify the answers. The applet can be printed as it appears on the scree
Author(s): John Page

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Seasonal Migrations: Whooping Cranes
Children follow the migrations of animals. They observe, research, and report their findings, and watch journeys progress on real-time maps. Through these interrelated investigations, students discover that sunlight drives all living systems and they learn about the dynamic ecosystem that surrounds and connects them. Fall: Students watch chicks grow and then "join" the migration as humans teach the birds a new route using an ultra-light plane to lead the way. Daily updates: September-December. S
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Hexagons
In this video segment from Cyberchase, the CyberSquad tessellates hexagons to finish crossing the lava river.
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Dark weedy seadragon
This weedy seadragon has less
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Don't Crack Humpty
Student groups are provided with a generic car base. The groups then design a device/enclosure that will protect an egg on or in the car as it is rolled down a ramp at increasing slopes. Students will be expected to perform basic mathematical calculations using their data.
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Blow-and-Go Parachute
Students make a skydiver and parachute contraption to demonstrate how drag caused by air resistance slows the descent of skydivers as they travel back to Earth. Gravity pulls the skydiver toward the Earth, while the air trapped by the parachute provides an upward resisting force (drag) on the skydiver.
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Artemia appendages
Artemia adult appendages with gills.
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BioLab: Using Yeast Fermentation as a Model for the Scientific Method
This resource uses a student-designed laboratory exercise as a model to demonstrate the techniques and concepts surrounding the scientific method.
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2.2.12 Activity: living through change
This unit looks at the history of institutions in the twentieth century, starting with a case study of Lennox Castle Hospital. It tries to make sense of the history of Lennox Castle, and of institutional life in general, through testimony of those who experienced institutions as inmates and as nurses, as well as through Erving Goffman's medel of the 'total institution'. It examines the social bases of segragation, the professionalisation of staff in asylums and institutions, and campaigns for ch
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