2,907 search results
Digital communications
Digital & Computing

Digital communications

...centre frequency in Hz its spectral width in Hz. Answer Its spectral width in nanometres is 1560 – 1540=20 nm. Its 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...
View course Digital communications
Level 3: Advanced 20 hrs
Basic science: understanding experiments
Science, Maths & Technology

Basic science: understanding experiments

...research laboratory, you would be able to analyse the goo and show that this is in fact DNA. Unfortunately, research laboratories are not commonly found at home so you will just have to take our word for it! Activity 4.1 Experiment 5 Timing: Allow about 15 minutes Post your results and findings in the course forum thread for this activity. Photographs can really help...
View course Basic science: understanding experiments
Level 1: Introductory 12 hrs
Introduction to polymers
Science, Maths & Technology

Introduction to polymers

...research closely linked to development by industry. Box 1 Plastics in Victorian times The use of shellac as a moulding material was pioneered in the 1850s by Samuel Peck and Co. of the USA who added such refinements as the insertion of hinges during the moulding process. Metal inserts into thermoplastic mouldings are commonplace today. Casein made from skimmed milk was an...
View course Introduction to polymers
Level 3: Advanced 20 hrs
Support for you and your mental health
Health, Sports & Psychology

Support for you and your mental health

...has been sourced and repurposed from the following organisations: National Health Service (NHS), The Open University Help Centre, Mind Cymru and Time to Change Wales. This resource is part of the 'Wellbeing and Mental Health Collection' created by the Open University in Wales. You can learn more and find courses, articles and other activities on the collection's homepage....
View article Support for you and your mental health
Article 10 mins
Young people and religion: creative learning with history
History & The Arts

Young people and religion: creative learning with history

...Research Centre (2014) Table: Religious Diversity Index Scores by Country. Available at: https://www.pewforum.org/ 2014/ 04/ 04/ religious-diversity-index-scores-by-country/ (Accessed: 24 February 2022)...Session 1: Engage – exploring religious diversity: Acknowledgements - This free course was written by John Maiden, David Robertson, Stefanie Sinclair and John Wolffe....
View course Young people and religion: creative learning with history
Level 1: Introductory 12 hrs
White dwarfs and neutron stars
Science, Maths & Technology

White dwarfs and neutron stars

...centre of the star. The star then moves back down to somewhat lower luminosities and hotter temperatures, at the lower end of the red giant branch. This new fusion process converts helium into carbon and oxygen in the star’s core, again releasing energy. Low mass stars (< 3 M☉) and intermediate mass stars (in the range 3–8 M☉) ultimately begin a second ascent of...
View course White dwarfs and neutron stars
Level 3: Advanced 6 hrs
Introducing the Classical world
History & The Arts

Introducing the Classical world

...centre became a monument to Roman achievements and history. The writing of history was for Greeks and Romans a branch of the arts. Poetry as well as prose could explain, justify and even question the past and present deeds of Rome. Phil Perkins The city of Rome has been continuously occupied for over three thousand years, with each generation building on top of the...
View course Introducing the Classical world
Level 2: Intermediate 20 hrs
Gwella profiadau tystion sy’n gleifion, teuluoedd a chydweithwyr o’r broses Addasrwydd i Ymarfer
Health, Sports & Psychology

Gwella profiadau tystion sy’n gleifion, teuluoedd a chydweithwyr o’r broses Addasrwydd i Ymarfer

...Research Final Research Report’. Ar gael yn: https://www.gdc-uk.org/docs/default-source/research/gdc-raising-concerns-research-report-final.pdf?sfvrsn=3a613f46_2 (Wedi'i gyrchu: 5 Mawrth 2024). Y Cyngor Meddygol Cyffredinol (2014) ‘Exploring the experience of public and patient complainants who have been through the GMC’s Fitness to Practise procedures’....
View course Gwella profiadau tystion sy’n gleifion, teuluoedd a chydweithwyr o’r broses Addasrwydd i Ymarfer
Level 1: Introductory 5 hrs