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Results: 1208 items

Metric spaces and continuity free course icon level 2: intermediate icon

Science, Maths & Technology

Metric spaces and continuity

This free course contains an introduction to metric spaces and continuity. The key idea is to use three particular properties of the Euclidean distance as the basis for defining what is meant by a general distance function, a metric. Section 1 introduces the idea of a metric space and shows how this concept allows us to generalise the notion of ...

Free course
16 hrs
Rings and polynomials free course icon level 2: intermediate icon

Science, Maths & Technology

Rings and polynomials

This free course contains an introduction to rings and polynomials. We see that polynomial rings have many properties in common with the integers; for example, we can define a division algorithm, and this enables us to develop the analogue of the highest common factor for two polynomials. Section 1 explores the abstract definitions of a ring ...

Free course
16 hrs
Introduction to the calculus of variations free course icon level 2: intermediate icon

Science, Maths & Technology

Introduction to the calculus of variations

This free course concerns the calculus of variations. Section 1 introduces some key ingredients by solving a seemingly simple problem – finding the shortest distance between two points in a plane. The section also introduces the notions of a functional and of a stationary path. Section 2 describes basic problems that can be formulated in terms ...

Free course
16 hrs
Getting started with a Password Manager article icon

Digital & Computing

Getting started with a Password Manager

Overwhelmed by having 12,345 different passwords? Time to get in a manager...

Article
15 mins
The thorny issue of ‘driverless’ cars article icon

Society, Politics & Law

The thorny issue of ‘driverless’ cars

How will the law accommodate changing technology for driverless cars? Who is responsible if the vehicle crashes?

Article
10 mins
An introduction to web applications architecture free course icon level 2: intermediate icon

Science, Maths & Technology

An introduction to web applications architecture

This free course, An introduction to web applications architecture, provides an overview of the design and implementation of computer software that runs on web servers, instead of those running solely on desktop computers, laptops or mobile devices.

Free course
8 hrs
Happy GeoWeek! video icon

Nature & Environment

Happy GeoWeek!

GeoWeek is an initiative to promote active geo-science. Learn more about how to read rocks and discover the different types of rocks with our handy videos and tools.

Video
5 mins
Surfaces free course icon level 3: advanced icon

Science, Maths & Technology

Surfaces

Surfaces are a special class of topological spaces that crop up in many places in the world of mathematics. In this free course, you will learn to classify surfaces and will be introduced to such concepts as homeomorphism, orientability, the Euler characteristic and the classification theorem of compact surfaces.

Free course
20 hrs
IT: Information free course icon level 1: introductory icon

Science, Maths & Technology

IT: Information

In a world of 24-hour news and instant updates, this free course explores how information is gathered, stored and shared through technology. Learn about the evolution of IT in news reporting, compare different media sources, and develop a critical eye for trust and authenticity in the information you consume.

Free course
20 hrs
IT in everyday life free course icon level 1: introductory icon

Science, Maths & Technology

IT in everyday life

We now live in a global village where distance is no longer a barrier to commercial or social contact. This free course, IT in everyday life, will enable you to gain an understanding of the information and communication technologies that drive our networked world and how they now permeate our everyday lives.

Free course
4 hrs
IT: device to device communication free course icon level 1: introductory icon

Science, Maths & Technology

IT: device to device communication

Are you a technophobe? Bluetooth, Ethernet, WiFi; are they terms that mean nothing to you? IT: device to device communication, is a free course that will gently guide you to an understanding of how devices 'talk' to each other and what technologies and processes are involved. You will also look at wired and wireless communication technologies, ...

Free course
20 hrs
Review: The Digital Academic - Critical Perspectives on Digital Technologies in Higher Education article icon

Education & Development

Review: The Digital Academic - Critical Perspectives on Digital Technologies in Higher Education

Eschewing the polarising perspectives that often characterise discussions of digital technologies in academia, The Digital Academic: Critical Perspectives on Digital Technologies in Higher Education, edited by Deborah Lupton, Inger Mewburn and Pat Thomson, offers an insightful and diverse take on the digital landscape in Higher Education, ...

Article
5 mins