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Bill McKibben - Stories of Change
Nature & Environment

Bill McKibben - Stories of Change

...children to study. I want to live in town; I want to live in an air-conditioned apartment with plenty of energy; I want to have a good job; I want to buy consumer stuff and I want to be like you.’ BM: That’s important for people to pursue the things that are important to them and that will continue, no matter what I say and what I do. The thing is: we have to obey the...
View audio Bill McKibben - Stories of Change
Audio 5 mins
Leo Tolstoy on King Lear
History & The Arts

Leo Tolstoy on King Lear

...children. "The barbarous Scythian, Or he that makes his generation messes To gorge his appetite, shall to my bosom Be as well neighbour'd, pitied, and relieved. As thou, my sometime daughter." The courtier, Kent, defends Cordelia, and desiring to appease the King, rebukes him for his injustice, and says reasonable things about the evil of flattery. Lear, unmoved by Kent,...
View article Leo Tolstoy on King Lear
Article 15 mins
Introducing vectors for engineering applications
Science, Maths & Technology

Introducing vectors for engineering applications

...centres of the faces of the block. This is because if forces are applied away from the centres, this can create a rotation, and that is a more complicated situation to model. Such rotational effects are outside the scope of this module. [Described image] Figure 4 Combining the vectors bold a and bold b Figure 4(b) shows the result of visually adding the vectors bold a and...
View course Introducing vectors for engineering applications
Level 1: Introductory 5 hrs
Sound for music technology: An introduction
Science, Maths & Technology

Sound for music technology: An introduction

...centre of the low-pressure part of the cycle, when the prongs are closest. To the right there are two other low-pressure zones, so to create this pattern two complete cycles were needed (Figure 5a), plus a bit extra to account for the region to the right of the diagram. [Figure 5 (a)] Figure 5a Pattern of pressures for Activity 8 For a pressure wave created by a...
View course Sound for music technology: An introduction
Level 1: Introductory 20 hrs
Succeed with maths: part 1 Badge icon
Science, Maths & Technology

Succeed with maths: part 1

...children. (a) Write a fraction for each of these groups, remembering to show them in the simplest form. Answer There are 240 in the whole group, giving the denominator needed for all the fractions before simplification. Career prospects: 80 of 240 students is 80 divided by 240 . Divide the top and bottom by 10, and then by 8, to give one divided by three . Interest: 60 of...
View course Succeed with maths: part 1
Level 1: Introductory 24 hrs
Babylonian mathematics
Science, Maths & Technology

Babylonian mathematics

...research. Menninger, Karl, Number Words and Number Symbols (MIT Press, 1969; orig. edn. 1958). More full detail of the history of numbers, particularly attentive to linguistic evidence. Neugebauer, Otto, The Exact Sciences in Antiquity (Dover, 1969; orig. edn. 1949).A highly readable account by one of the most eminent of modern historians of the period, van der Waerden,...
View course Babylonian mathematics
Level 2: Intermediate 8 hrs
Intermediate Spanish: Understanding spoken Spanish
Languages

Intermediate Spanish: Understanding spoken Spanish

...centre/centro, radio/radio. Some languages, like Spanish, have thousands of cognates with English. Sometimes, using your knowledge of the pronunciation, intonation and rhythm of words, you will able to decode other words or phrases that you have never heard before in Spanish. Just beware of differences in spelling! Identifying a cognate does not help you draw conclusions...
View course Intermediate Spanish: Understanding spoken Spanish
Level 1: Introductory 6 hrs
Beginners’ German: Places and people
Languages

Beginners’ German: Places and people

...children) sie – they Sie – (when talking to one or more adults who are not very close friends or relatives of yours) Note that sie with a small ‘s’ means ‘she’ and also ‘they’. You will have noticed that there are different ways of saying ‘you’ in German. Sie is the most useful when you meet German-speaking people. You mainly use Sie throughout this...
View course Beginners’ German: Places and people
Level 1: Introductory 5 hrs