617 search results
Geometry
Science, Maths & Technology

Geometry

...DE are each horizontal. The struts EA and DC are parallel. (a) Which of these are right angles? (b) Write down two angles that are equal to (c) Several of the triangles formed by the struts are similar (that is, they are the same shape). Write down all the triangles that are similar to ΔOAF. Answer 3 (a) All four of the given angles are right angles. (b) (which is the...
View course Geometry
Level 1: Introductory 5 hrs
Voices from the Global South: an international field trip
Society, Politics & Law

Voices from the Global South: an international field trip

...de Atacama, a site of ongoing extraction of lithium from brine – in effect from water – in one of the driest parts of the world. Lithium is a key mineral in the development of lithium-ion batteries, which are central to the Global North’s ‘green transition.’ This extraction serves as an example of the ways in which the Global North’s solutions to the climate...
View article Voices from the Global South: an international field trip
Article 5 hrs
Who gets to be a human? Religion in colonial histories and Indigenous resistance
History & The Arts

Who gets to be a human? Religion in colonial histories and Indigenous resistance

...de Graaf, Nicolaas Witsen Project, Netherlands. Who or what do you think is depicted in this picture? Would you think that shamans were humans or some mythical creatures based on this image? Discussion The presence of animal claws, furry skin and reindeer horns all suggest that shamans were not really humans. This depiction of an Evenki shaman was not produced with the...
View course Who gets to be a human? Religion in colonial histories and Indigenous resistance
Level 2: Intermediate 6 hrs
Astronomy with an online telescope Badge icon
Science, Maths & Technology

Astronomy with an online telescope

...de Astrofísica de Canarias (IAC) and administrator of the Teide observatory, gives an introduction to the site and to the various telescopes and facilities there. NARRATOR: The Teide Observatory belongs to Canarian Observatories and managed by the Institute Office of the Canaries. We have a lot of different countries here in the Teide and also in the Roque. Here, for...
View course Astronomy with an online telescope
Level 1: Introductory 24 hrs
Making creativity and innovation happen
Money & Business

Making creativity and innovation happen

...de facto lingua franca of business and places like Silicon Valley are the epicentre of innovation in their field, it is easy to forget that much creativity continues to happen in diverse cultural environments. In the modern, globalised age it is tempting to focus solely on the common features different organisations or perhaps even different people share. This temptation...
View course Making creativity and innovation happen
Level 2: Intermediate 10 hrs
Banning the bomb: a global history of activism against nuclear weapons
History & The Arts

Banning the bomb: a global history of activism against nuclear weapons

...de Klerk cancelled the country’s nuclear weapons programme. South Africa became the first – and to date the only – country to have developed its own nuclear weapons and then to unilaterally dismantle them. Since then, successive South African governments have been active in supporting nuclear disarmament, playing a key role in establishing the African Nuclear...
View course Banning the bomb: a global history of activism against nuclear weapons
Level 1: Introductory 6 hrs
Technology, innovation and management
Money & Business

Technology, innovation and management

...de-rated version. In short, the operations side of a business is forced to manage the dynamics of change on an almost continuous basis. Of course, managing change is not just restricted to managing technological change. As we made clear at the outset of this course, technological and organisational change go hand in hand. Sometimes technological change leads to...
View course Technology, innovation and management
Level 3: Advanced 10 hrs
Studying mammals: The opportunists
Nature & Environment

Studying mammals: The opportunists

...de-sac from which it is extremely unlikely to be rescued by the operation of natural selection. Question 9 Question: There's perhaps a danger of thinking of omnivory as being the ideal 'jack-of-all-trades' feeding tactic, permitting animals to switch from one food source to another as the occasion demands. What disadvantages might omnivory present? Answer To complete the...
View course Studying mammals: The opportunists
Level 1: Introductory 10 hrs