3,600 search results
What are waves?
Science, Maths & Technology

What are waves?

...work out exactly how far away the object reflecting the sound is. This is the principle of radar which is used to map and track the locations of aircraft in the sky and ships on the sea, in this case using electromagnetic waves. It is also the same principle used by ships that send a sonar (SOund Navigation And Ranging) pulse of sound into the ocean and ‘listen’ to...
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Level 1: Introductory 3 hrs
Teaching Spanish pronunciation
Languages

Teaching Spanish pronunciation

...working in the United Kingdom who wish to extend their theoretical knowledge on teaching Spanish pronunciation. It offers ideas and practical skills that can be used in the classroom, be that virtual or face-to-face. This course will explore intelligibility, fluency, foreign accent, language variation, articulation and acoustics. The course is suitable for all levels of...
View course Teaching Spanish pronunciation
Level 1: Introductory 15 hrs
Listening for form in popular music
History & The Arts

Listening for form in popular music

...works with its lyrics to create meaning...This free course, Listening for form in popular music, explores form, or how music is organised in time. It looks at three strategies for communicating form – through the use of specialist terms (such as ‘chorus’ and ‘bridge’), alphabetic designations (for example AABA), and visual diagrams. It also considers how the...
View course Listening for form in popular music
Level 2: Intermediate 10 hrs
Introduction to active galaxies
Science, Maths & Technology

Introduction to active galaxies

...work out the mix of stars that make up the galaxy, astronomers can measure the Doppler shifts of these spectral lines and so work out the motions within the galaxy as well as the speed of the galaxy through space. In the case of active galaxies, the spectrum shows features in addition to those of normal galaxies, and it is from these features that the active nucleus of...
View course Introduction to active galaxies
Level 2: Intermediate 20 hrs
How to compare income across countries
Science, Maths & Technology

How to compare income across countries

...works over time: we assume the notional value of a portion of fish and chips, for example, to be fixed over time, and then consider how much people paid for it at a particular time using the currency of the time. We can then convert between a price of £X (1980 pounds) per portion of fish chips in 1980 and £Y (2015 pounds) per portion of fish and chips in 2015 using a...
View video How to compare income across countries
Video 45 mins
Getting started with Italian 1
Languages

Getting started with Italian 1

...working day (the so-called pausa caffè) and have a chat with friends and colleagues. Customers often share opinions on a variety of subjects ranging from politics and football, to work, gossip, cinema and fashion. The Italian bar is probably at its busiest first thing in the morning, when people grab a coffee and a cornetto (‘croissant’) at the counter. It is busy...
View course Getting started with Italian 1
Level 1: Introductory 8 hrs
Vaccination
Science, Maths & Technology

Vaccination

...work? Vaccination is a free course that will help those with a background in biology understand the historical development of vaccination, assess the various types of vaccines used today, examine their production and explore the limitations that are placed on vaccination programmes...Vaccinations are now considered a part of everyday life, but how do they work?...
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Level 2: Intermediate 14 hrs
Attention
Society, Politics & Law

Attention

...Social Sciences...Attention: Learning outcomes - After studying this course, you should be able to: understand different cognitive psychological aproaches used to examine such forms of attention as attention to regions of space, attention to objects and attention for action summarise the different cognitive psychological approaches under a fairly abstract definition of...
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Level 3: Advanced 10 hrs