2,787 search results
"V" Process (Vacuum sealed moulding process)
Science, Maths & Technology

"V" Process (Vacuum sealed moulding process)

...systems should allow the cavity to be filled rapidly. Vents and risers must be located in such a way that the unfilled portion of the casting cavity is at atmospheric pressure, to allow the gases formed in the initial stages to escape to atmosphere. Knock-out is easy, since removal of the vacuum allows the sand to flow out of the box. When casting cast iron, or other...
View article "V" Process (Vacuum sealed moulding process)
Article 5 mins
Rotary Forging, General Forging Machine (GFM) and Swaging
Science, Maths & Technology

Rotary Forging, General Forging Machine (GFM) and Swaging

...system contains the workpiece on all sides, which eliminates the tensile stresses developed in conventional hot forging. The high rate of working leads to heat generation to compensate for radiation losses, so that multiple passes can be used to produce a forging in a single heat. This leads to substantial energy and labour savings compared with conventional forging....
View article Rotary Forging, General Forging Machine (GFM) and Swaging
Article 5 mins
Revolutions of the Sixties
History & The Arts

Revolutions of the Sixties

...system of racial segregation across the southern states of the USA, and question how successful this struggle for racial equality was. The four OpenLearn courses are adapted extracts from the Open University course A113 Revolutions. Use of racial language and terms Some of these courses deal with topics involving racial issues, such as the Civil Rights Movement in the...
View article Revolutions of the Sixties
Article 10 mins
Preparing tutorials for dyslexic language students
Education & Development

Preparing tutorials for dyslexic language students

...systems which may be used in online tuition. This will reduce the anxiety dyslexic students sometimes experience at the first tutorial when they have to deal with a new environment, subject, teacher and peers. It may be helpful to run a brief session (30 mins) aimed at introducing the students to the online tools. The focus should be on audio, microphone, emoticons, chat...
View article Preparing tutorials for dyslexic language students
Article 10 mins
From Zero Day to Doomsday – Public Lecture
Digital & Computing

From Zero Day to Doomsday – Public Lecture

...systems that we all rely on. After his lecture, Mike will be joined by a panel of experts to discuss the topic in more depth. Event programme: 18:00-18:45 From Zero Day to Doomsday 18:45-19:30 Panel and Q&A 19:30-20:15 Drinks and canapes There will be time for questions and comments. We very much hope you will be able to attend what promises to be an inspiring event and...
View article From Zero Day to Doomsday – Public Lecture
Article 5 mins
The world's busiest railway - Mumbai, India and rail
Science, Maths & Technology

The world's busiest railway - Mumbai, India and rail

...systems in action. India’s busiest city, Mumbai, is right at the heart of the world’s busiest railway. Mumbai is situated on a peninsula of land on the west coast of India, surrounded by the Indian Ocean. Its most important transport hub, the historic Chhatrapati Shivaji Terminus, opened in 1887 when India was still part of the British Empire. The station was built...
View article The world's busiest railway - Mumbai, India and rail
Article 5 mins
Earth and Life
Science, Maths & Technology

Earth and Life

...systems. Daisyworld: Gaia theory and the real world James Lovelock talks about Gaia theory and predictions that tested the theory. Tibet: the Raymo-Ruddiman Hypothesis John Kutzbach from the University of Wisconsin and Bill Ruddiman from the University of Virginia discuss modelling the effects that a high plateau has on climate using Tibet as an example. Tibet: Berner's...
View audio Earth and Life
Audio 1 hr 8 mins
Religious diversity: rethinking religion
History & The Arts

Religious diversity: rethinking religion

...think it is! This free course, Religious diversity: rethinking religion, introduces you to a selection of the vast variety of religious beliefs and practices in Britain today. Having some familiarity with religion and belief is increasingly required to make sense of issues of local, national and international importance. The course will introduce you to issues and skills...
View course Religious diversity: rethinking religion
Level 2: Intermediate 12 hrs