Alien Encounter
Mathematical Logical puzzle.
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1.2 Doctor Faustus

Critics who have studied Marlowe's work have for the most part been inclined to take on trust the picture of him provided by Kyd, Baines, Beard and others, and to read the plays as statements of the author's own radical beliefs. But there is an obvious problem with this approach to Marlowe's work: we simply don't know whether these hostile accounts of his opinions are accurate or, as seems likely, deeply compromised by their writers' own motives and circumstances.

Doctor Faustus
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Introduction

This unit is from our archive and it is an adapted extract from Topics in the history of mathematics (MA290) which is no longer in presentation. If you wish to study formally at The Open University, you may wish to explore the courses we offer in this curriculum area.

This unit looks at Babylonian mathema
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Of Mice and Children: Unraveling the Effects of a Technologized Infancy
Dimitri's passion is developing actionable strategies to optimize the cognitive, emotional, and social development of preschool children. The pursuit of that passion has taken him from the exam room, to the community and most recently to cages of newborn mice. Christakis' laboratory focuses on the effects of early environmental influences on child health and development. He speaks frequently to international audiences of pediatricians, parents, and educators about the impact of early learning
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FETCH! LUNCH RUSH App for iOS
'In case you hadn’t heard, Ruff Ruffman, canine host of the PBS KIDS TV series, FETCH! with Ruff Ruffman, is making a movie! Of course, he’s in over his head and he needs your help, like, yesterday.In this Augmented Reality, multi-player game, you need to keep up with lunch orders from Ruff’s movie crew. The challenge is keeping track of how many pieces of sushi everyone wants.ORDER UP!Since the most important job on a movie crew is filling everyone’s belly, you’ll
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8.2 Wet etches: acids and bases

The simplest etches use a liquid solvent that converts the material into a soluble compound or a gas. Unfortunately, most materials used in micro-devices have few soluble compounds, so some very aggressive chemicals are needed to attack them. Here is a list of some of the most commonly used ones:

  • Hydrofluoric acid (chemical formula HF) is used to convert silicon dioxide into water-soluble H2SiF6 (plus some hydrogen and water). It
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1.4 Summary of Unit A2

In this unit, you have learned about boxplots and about ways of dealing with data given in tabular form.

A boxplot is a way of presenting certain summary statistics and other characteristics of a data set in graphical form. It gives a quick graphical impression of the location, dispersion and the general pattern of skewness in data set, as well as drawing attention to unusually large or small values. In comparing two or more data sets, it is often useful to draw comparative boxplots (th
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Nourishing the Brain
The link between nutrition and learning. (01:37)
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Three essays on bank efficiency
Since commercial banks play important roles in the financial markets, it is important to evaluate whether banks operate efficiently. Moreover, given increased competition from non-bank financial institutions, commercial banks should operate more efficiently than they did previously. Commercial banks might operate more efficiently if they have superior information. If this is true, bank size should not matter to the operation of the bank. Thus, as long as the bank has superior information, it wil
Author(s): Chen, Yi-Kai

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Stem-and-Leaf Plot
This video gives a brief description of a Stem-and-leaf plot, how to make them and use them to find the median and range.
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Relative Frequency Histogram
In this video, an unfinished histogram is pictured.  The instructor explains how to complete the histogram and does each step necessary to do so. 

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Drawing a Histogram
This lesson takes provided data about mass to create a histogram about the data.  While the lesson relates to a previous experiment, it still provides good step by step instruction on how to draw a histogram.  Graph paper will be needed to follow along and complete the lesson along with the instructor.  It is hard at times to see what the instructor is writing because the writing is very small.

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Histograms
In this video (06:08), Mr. Khan explains how to visualize data using a histogram. Mr. Khan uses the computer software (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.
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1.5 Significant figures

Sometimes it doesn’t make sense to round to a specific number of decimal places. If, say, you were calculating the cost of fencing at £10.65 per metre, for a garden boundary, the length of which had been given to you as 185 feet, then you would want to multiply 10.65 × 185 × 0.3048. (Conversion of feet to metres was given in Author(s): The Open University

4.2 Defining useful subsets of the complex number system, and proving the Nested Rectangles Theorem

You will no doubt recall that in real analysis extensive use is made of the modulus function . It gives us a way of measuring the “closeness” of two numbers, which we exploit in writing expressions such as

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Convex optimization I : EE364A : Linear systems and optimization
This lecture course on convex optimisation is made available as part of Stanford Engineering Everywhere, an initiative from Stanford University licensed under a Creative Commons Attribution 3.0 United States licence. The course introduces a special class of mathematical optimisation problems, convex optimisation, including the basic concepts and theorems. The topics of the course include convex sets, convex functions, convex optimisation problems, duality, approximation and fitting, statistical
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3.19 Practical examples of negative numbers

Negative numbers occur in financial matters, in temperature or height measurements and many other practical situations.

Example 26

  • (a) If the value of a painting increases by £20 a year and it is worth £200 today, how much will it be worth in a year's time
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History of Electric Light Bulb
The electric light bulb revolutionized the world. Many people tried to invent one, but Thomas Edison succeeded. This video is about how he did it. 
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Homeschooling Tips : How to Start a Homeschool
When starting a homeschool, check the state rules and regulations, buy educational materials and keep track of important scholastic records.

Linda Wooldridge has been homeschooling since 1998, and she has been on the PPEA board for three years as the orientation coordinator for Pinellas County.
Filmmaker: Christopher Rokosz The video has English captions.

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Video Production: Rule of Thirds
Tutorial tips on how to set up a video shoot frame. Useful for video production classes. Gives great examples-very easy to follow. (4:01)
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