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Ada Lovelace Day
Science, Maths & Technology

Ada Lovelace Day

...central processor (the ‘mill’). Babbage’s mill would be able to perform all of the simple mathematical functions as well as logical comparisons (such as ‘greater than’ or ‘less than’) and calculate the square roots of numbers. The machine would have been controlled by thousands of Jacquard’s cards that would have been fed into the Analytical Engine from...
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Article 15 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
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
Aberdulais Falls: a case study in Welsh heritage
History & The Arts

Aberdulais Falls: a case study in Welsh heritage

...central to the visitor experience, or as accessible as some other waterfalls in the region...Aberdulais Falls: A case study in Welsh heritage: 1.11 Facilities and the visitor experience - The quality of any visitor experience is dependent on a number of variables. These include signposting to the tourist attraction, car parking, catering, toilet facilities and overall...
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Level 1: Introductory 2 hrs
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...
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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