1,219 search results

Social problems: Who makes them?
Society, Politics & Law

Social problems: Who makes them?

...simple terms, we might suggest that there are two routes to troubles becoming public issues which are distinguished by the question: whose problem is this? Some troubles become social or public problems as a result of the actions of those people who experience them (or those who speak on behalf of such people). Thus, campaigns aim to capture public attention and direct it...
Level 2: Intermediate 20 hrs
Additive manufacturing
Science, Maths & Technology

Additive manufacturing

...simple shape (Figure 3). In the case of Lego, rectangular polymer bricks are used. In the case of AM, layers of deposited material are used. [Described image] Figure 3 A model of a Rolls-Royce aircraft engine built from Lego bricks to inspire children to learn more about engineering Activity 3 Manufacturing a household product using AM Timing: Allow about 30 minutes Pick...
Level 3: Advanced 8 hrs
An introduction to minerals and rocks under the microscope
Science, Maths & Technology

An introduction to minerals and rocks under the microscope

...simple scratch tests. Figure 11 Three very hard minerals: (a) topaz (5 cm long); (b) corundum (variety ruby) (1 cm); (c) diamond (6 mm). The 19th century German mineralogist, Friedrich Mohs, devised a useful scale of mineral hardnesses, consisting of well-known minerals, ranked in order of increasing hardness, from talc, with a hardness of 1, to diamond, with a hardness...
Were most women overlooked from the Ascent of Woman?
Society, Politics & Law

Were most women overlooked from the Ascent of Woman?

...code. Veils, foot binding and kimonos are discussed as tools of female confinement and symbols of male ownership. Yet this, as Foreman passionately argues, is not the entire story. Throughout history, women acted, laying claim to agency and identity in ways which threatened patriarchal ideas of order. The Ascent of Woman seeks to tell these stories. To do so, it focuses...
What can lucid dreaming teach us about consciousness?
Health, Sports & Psychology

What can lucid dreaming teach us about consciousness?

...code between lucid dreamer participants and researchers during Rapid Eye Movement (REM) sleep, when dreaming typically takes place. Before going to sleep, the participant and the researcher agree on a specific eye movement (for example two movements left then two movements right) that participants make to signal that they are lucid. By using this approach, studies have...
Why is ball tampering such a big deal for cricket?
Health, Sports & Psychology

Why is ball tampering such a big deal for cricket?

...Code of Conduct. In this case, Smith has been banned for one match and fined his match fee. Bancroft, who was caught with a piece of yellow sticky tape that he was attempting to use to tamper with the ball, has also been fined most of his fee and issued three demerit points. Can we talk about this? pic.twitter.com/cmpRrOArgD — Dale Steyn (@DaleSteyn62) March 24, 2018...
Ever Wondered About... Eggs?
Health, Sports & Psychology

Ever Wondered About... Eggs?

...code (e.g. UK) and a set of numbers which identifies the farm from which the egg originated. A hen starts laying eggs at 19 weeks of age and, on average, lays about 259 eggs a year. As she grows older she produces larger eggs. The largest chicken egg on record was nearly 12 oz, measuring 12 ¼” around. The largest recorded number of yolks in one chicken egg is nine. The...
Irish Women’s Poetry: Colette Bryce
OpenLearn Ireland

Irish Women’s Poetry: Colette Bryce

...codes. As with the rope trick, the car wash is a clear, everyday image. At the same time, it stands for complex ideas about public and private lives. [Photograph: inside a car wash] ... and between expression and suppression ‘“Say nothing” is still a powerful rule in Northern Ireland’, Bryce tells Alex Pryce: it’s difficult to be outspoken in tight-knit...