1,164 search results
An introduction to electronics
Science, Maths & Technology

An introduction to electronics

...account, the sum of the potential differences around any closed circuit or network is zero. This is illustrated in Figure 10, which is a screenshot taken from an online circuit simulation package called Multisim Live. Here, starting with the battery, the voltages around the circuit are 6.0 V − 1.0 V − 3.0 V − 2.0 V = 0 V. [Described image] Figure 10 Illustration of...
View course An introduction to electronics
Level 2: Intermediate 10 hrs
Moons of our Solar System Badge icon
Science, Maths & Technology

Moons of our Solar System

...account. You will find links to recordings of previous ‘planets and moons chat’ throughout the course. Enrolling on the course will give you the opportunity to earn an Open University digital badge. Badges are not accredited by The Open University but they're a great way to demonstrate your interest in the subject and commitment to your career, and to provide evidence...
View course Moons of our Solar System
Level 1: Introductory 24 hrs
Childhood in the digital age
Education & Development

Childhood in the digital age

...account and several blogs to maintain, plus my Facebook status updates, my photo diary, my video blogs and my podcast that I have to record. And that's the content that I create. There's also the content that I consume, not least of which are the emails in my inbox and all the messages on my answering machine. I was away for a week and I had 283 emails that I had to go...
View course Childhood in the digital age
Level 1: Introductory 12 hrs
The many guises of the emperor Augustus
History & The Arts

The many guises of the emperor Augustus

...account of origins and history of Rome, used the phrase ‘while they were still in the toga’ (dum togati sint) to describe generals who had not yet left on military campaign (3.10) and the politician and prolific writer Cicero (106–43 BCE) praised the first-century-BCE general and statesman Julius Caesar for being ‘clarus in toga’ – ‘distinguished’ (clarus)...
View course The many guises of the emperor Augustus
Level 1: Introductory 6 hrs
Approaching poetry
History & The Arts

Approaching poetry

...account, widening your own experience and enjoying it too. Remember that language changes over the years. I've deliberately chosen to discuss poems from different periods, and given dates of first publication. Do keep this in mind, especially as you may find some examples more accessible than others. The idiom and register of a poem written in the eighteenth century will...
View course Approaching poetry
Level 2: Intermediate 20 hrs
Introducing mammals
Nature & Environment

Introducing mammals

...account by calculating the volume of oxygen consumed for a particular amount (or mass) of animal. Volumes of a gas such as oxygen would be measured in millilitres (ml), or the numerically equivalent unit, cubic centimetres (cm3). The mass of the animal would be measured in grams (g), or perhaps in thousandths of a gram, i.e. milligrams (mg). In practical terms, oxygen...
View course Introducing mammals
Level 1: Introductory 5 hrs
Fire ecology
Science, Maths & Technology

Fire ecology

...accounted for up to 40% of global CO2 emissions in each of those years. In general, there are three categories of fire severity: low severity surface fires high severity stand replacement fires mixed severity fires. Low severity surface fires (Figure 2) are usually frequent and burn surface fuels at low intensities, causing low understory vegetation mortality. They are...
View course Fire ecology
Level 2: Intermediate 4 hrs
Nationalism, self-determination and secession
Society, Politics & Law

Nationalism, self-determination and secession

...account. The second point puts forward one's nation as a core of value; the third is about the creation of varied markers of centre and periphery; borders, government institutions and others that embody, and which make real, what the ideology has imagined. Freeden rightly warns that this set of concepts cannot be used to explain a great deal in itself. It is necessarily a...
View course Nationalism, self-determination and secession
Level 2: Intermediate 8 hrs