965 search results
Virtual reality, 19th Century style: The history of the panorama and balloon view
History & The Arts

Virtual reality, 19th Century style: The history of the panorama and balloon view

...central viewing platform exactly halfway up the height of the canvas, restrictions on the viewer getting too close to the picture, entrance from below, and ventilation without windows. The edges of the image were covered by a canopy that, at the top, also hid the source of light. Barker wasn’t taking the picture out of the frame, he was making the frame big enough to...
View article Virtual reality, 19th Century style: The history of the panorama and balloon view
Article 5 mins
Non-existent countries
Society, Politics & Law

Non-existent countries

...Central America, leaving Mexico to go to Guatemala one evening. I got an exit stamp from the Mexican immigration people and it was a few hundred metres to the Guatemalan border post which was shut and there happened to be a little café in between land and I ate something and spent the night there but I'd left Mexico. I hadn't entered Guatemala. Where was I? Well now I...
View audio Non-existent countries
Audio 10 mins
Artificial intelligence
Digital & Computing

Artificial intelligence

...central set of instructions, and they're particularly useful where you have something where you don't have a rule to describe the relationship between the inputs that it gets so - say, the sensory information that it gets and the behaviour that you want. What you've got is a set of input units, and a set of output units and you've then got a weight between them which is...
View article Artificial intelligence
Article 15 mins
Recording music and sound
History & The Arts

Recording music and sound

...central heating systems and fridges. You may not be aware of central heating noise until you turn it off, at which point you should appreciate the reduction in low-frequency rumble and general background noise. One of the first things I do when recording on location is to listen for a ticking clock. This is the kind of background sound that can easily avoid your direct...
View course Recording music and sound
Level 2: Intermediate 8 hrs
Extending and developing your thinking skills
Education & Development

Extending and developing your thinking skills

...central to our information age and movement towards a knowledge-based economy. The creation and use of knowledge depends on our ability to think. Good thinking could be viewed as empowering for individuals and society. Education can be seen as a process of joining a community in a subject. So you may become, for example, a social scientist or mathematician by learning the...
View course Extending and developing your thinking skills
Level 1: Introductory 6 hrs
Bill Hare - Stories of Change
Nature & Environment

Bill Hare - Stories of Change

...central problems but will make a step around or over them, I think. You’re right; the numbers are so polarised that if you stood back and thought, ‘We should just walk away from this mess and forget it,’ but actually I know from history that these negotiations always get harder before they get solved. So the polarisation is almost an essential part of actually...
View audio Bill Hare - Stories of Change
Audio 5 mins
Assessment in secondary science
Education & Development

Assessment in secondary science

...central to effective teaching. Throughout a lesson there are many opportunities to assess students. You might have identified strategies such as: questioning talking and listening to students while they are working judging students’ body language and facial expressions. These strategies enable teachers to get a sense of whether students understand what is being taught....
View course Assessment in secondary science
Level 3: Advanced 11 hrs
Exploring Religion in London
History & The Arts

Exploring Religion in London

...central reading platform, called the Tevah, which is where the service is conducted from. The reason the reading desk is in the centre, is very much a Sephardi tradition. Early Sephardi synagogues are based on the layout of the temple in Jerusalem, where the reading desk is in the centre. More modern synagogues have the reading desk in front of the ark, so that all the...
View video Exploring Religion in London
Video 30 mins