1,258 search results
Digital communications
Digital & Computing

Digital communications

...simple experiment in the bath to demonstrate total internal reflection if you have a waterproof torch (or a torch you can seal in a transparent plastic bag). You might be sceptical about doing this experiment, but I would commend it to you to reinforce the concept of total internal reflection. Please, though, remember that electricity and water can be dangerous. Only do...
View course Digital communications
Level 3: Advanced 20 hrs
Climate change
Nature & Environment

Climate change

...simple picture in Figure 4 substantially. A better representation is shown in Figure 7. Now most of the longwave radiation from the surface is effectively 'trapped' and recycled by the atmosphere, being repeatedly absorbed and re-emitted in all directions by the greenhouse gases. This warms the atmosphere. Some of the re-emitted radiation ultimately goes out to space,...
View course Climate change
Level 2: Intermediate 18 hrs
Becoming an ethical researcher Badge icon
Education & Development

Becoming an ethical researcher

...code of practice or set of ethical guidelines, and whether these apply in every context. What happens when there are difficult situations or when values clash? Looking at the stories behind the research of others is one way to develop ethical awareness. In this course, you will hear from diverse researchers who have carried out studies with people across different...
View course Becoming an ethical researcher
Level 3: Advanced 18 hrs
On-screen graphic design: The early years of television
Science, Maths & Technology

On-screen graphic design: The early years of television

...simple animated sequences, immediately upsetting the five signwriters already employed by the BBC who provided the bulk of televisions graphic needs. Over the next few years, this very much considered experimental section, was built up to a staff of about 8-9 full-timers including those who specialised in calligraphy, photography and those who had backgrounds in...
View article On-screen graphic design: The early years of television
Article 15 mins
Tim Scoones - Earth in Vision
Nature & Environment

Tim Scoones - Earth in Vision

...simple way, that dataset combined with the other scientific studies that went around it, became the piece of evidence that was taken to the European Commission, I think it was in 2007, that changed the European Commission’s mind on how seriously to take climate change and changed policy. And that was by people looking out for frogspawn, ladybirds, swifts, peacock...
View video Tim Scoones - Earth in Vision
Video 40 mins
Continuing classical Latin
History & The Arts

Continuing classical Latin

...simple… GH Okay. Well, let me just have a think. One example would be a simple statement which I just happen to remember from one of these conversations. It translates as ‘I said the weasel ate it’. And clearly blaming the weasel was the equivalent to blaming the cat nowadays if something disappears from the fridge or whatever. Now, to say that kind of thing after a...
View course Continuing classical Latin
Level 2: Intermediate 4 hrs
Assessment in secondary science
Education & Development

Assessment in secondary science

...Simple to complex: understanding simple events to knowing and understanding complicated situations Using everyday ideas to using scientific ideas Qualitative to quantitative explanations using formulae and equations Explanations based on observable entities to ones using unobservable, idealised entities. Words: 0 Just as with knowledge and conceptual understanding of the...
View course Assessment in secondary science
Level 3: Advanced 11 hrs
Can we get to a world without suicide?
Health, Sports & Psychology

Can we get to a world without suicide?

...simple belief drives Mallen: that Edward should still be alive, that his death was preventable – at several stages during the rapid onset of his depression. Moreover, Mallen and a growing number of mental health experts believe that this applies to all deaths by suicide. They argue that with a well-funded, better-coordinated strategy that would reform attitudes and...
View article Can we get to a world without suicide?
Article 15 mins