965 search results
Working with our environment: an introduction
Nature & Environment

Working with our environment: an introduction

...central concern of environmental studies is the relationship between technology and our environment: how people use technology to transform materials into forms which can meet our needs and wants. In the process of doing this we inevitably change the environment which provides these materials but which also supports all life. A few moments ago I went to my fridge and took...
View course Working with our environment: an introduction
Level 1: Introductory 11 hrs
Digital communications
Digital & Computing

Digital communications

...central wavelength is 1550 nm, which corresponds to a frequency of Its spectrum extends from to which is a spectral width of Alternatively, this can be calculated using the approximation formula: Notice that the spectral width of the LED in this SAQ measured in terms of wavelength was the same as that in the example given in Section 1.2, i.e. 20 nm. The spectral width...
View course Digital communications
Level 3: Advanced 20 hrs
Introducing International Relations
Society, Politics & Law

Introducing International Relations

...central to how they negotiate with foreign states, balancing their independence with the benefits of foreign investment or military support. Military and security issues: Security issues are foundational in IR and include war, peace and terrorism. Traditionally focused on state protection, security involves non-state threats like terrorism and cybersecurity. For example,...
View course Introducing International Relations
Level 1: Introductory 8 hrs
EU Referendum - Economy
Society, Politics & Law

EU Referendum - Economy

...central policymakers try to respect this diversity. The Remain campaign suggests they have succeeded, especially after February’s special-status deal for the UK which recognises that member states have “ the possibility of refusing to grant social benefits to persons who exercise their right to freedom of movement solely in order to obtain member States’ social...
View article EU Referendum - Economy
Article 5 mins
Banks as utilities and the future of payments
Money & Business

Banks as utilities and the future of payments

...central banks, we were able to get the agreement in 25 markets that you can use the SIM of your mobile phone to set up a bank account. You download the app, you fill in the details, and you send it off, and they do a quick KYC (Know Your Customer regulation) check against the SIM on your card, and you have a bank account. You didn’t even have to go to the bank to do it,...
View article Banks as utilities and the future of payments
Article 10 mins
How can honour killings be stopped?
Health, Sports & Psychology

How can honour killings be stopped?

...central government to ring-fence a funding stream to address historical underfunding of these services. In a context of austerity and competitive commission favouring larger, generalist providers, this failure has led to the demise of the sector. An ironic outcome at a time when the state has expressed so much concern for harmful practices and isolation of BME women, and...
View article How can honour killings be stopped?
Article 10 mins
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...
View article Ada Lovelace Day
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