271 search results
Methods in Motion: Communicating a challenge to liberal democracy
Society, Politics & Law

Methods in Motion: Communicating a challenge to liberal democracy

...circulated. Under the main portal of www.madrid.tomalaplaza.net lies a virtual public sphere composed of numerous websites, blogs, twitter accounts, the 15Mpedia, Facebook communities, Internet radio stations like Agora Sol Radio and YouTube channels such as Spanishrevolutionsol. Yet how do we measure the significance and impact of the 15M for politics in Spain? For many...
View article Methods in Motion: Communicating a challenge to liberal democracy
Article 5 mins
Golden Globe Ocean Race: Drifting continents and a stormy passage
Science, Maths & Technology

Golden Globe Ocean Race: Drifting continents and a stormy passage

...circulation. The balance between the flow of warm currents transporting heat from the equator towards the poles and the flow of cold water away is a key element determining our climate. Recent studies suggest the coldest water in the Antarctic Circumpolar Current (ACC) is being pushed further southwards due to rising temperatures.The opening of the Drake Passage is...
View video Golden Globe Ocean Race: Drifting continents and a stormy passage
Video 20 mins
Rotational moulding (Rotational or rotary casting)
Science, Maths & Technology

Rotational moulding (Rotational or rotary casting)

...circulating hot oil through a mould jacket: a. Hot air; slow, accurate temperature control. b. Direct flame; fast, poor temperature control. c. Molten salts; fast, accurate temperature control, expensive. d. Oil; fast, accurate temperature control, expensive, can be used “on-site”. Mould temperatures vary from 200 to 400°C with heating times from 5 to 30 min. Mould...
View article Rotational moulding (Rotational or rotary casting)
Article 5 mins
What effects does mercury have on health and the environment?
Science, Maths & Technology

What effects does mercury have on health and the environment?

...circulated globally. How does mercury get into the food chain? Through chemical reaction and precipitation it enters freshwater lakes and rivers, where it accumulates in the sediments at the bottom. Here it is transformed by bacteria into a variety of mercury compounds, particularly methyl mercury (chemical formula: CH3Hg+) which is highly toxic. From freshwater sediments...
View article What effects does mercury have on health and the environment?
Article 5 mins
Is Bitcoin a bubble - and why must it burst?
Money & Business

Is Bitcoin a bubble - and why must it burst?

...circulation). This means that as more people mine for Bitcoin and more blocks are created, each block is, all things being equal, worth less than the previous block. The second measure we looked at relates to the “hash rate”. This is the speed at which a computer operates when mining. To successfully mine Bitcoin, you must come up with a 64-digit hexadecimal number...
View article Is Bitcoin a bubble - and why must it burst?
Article 5 mins
Horror and politics
History & The Arts

Horror and politics

...circulate that Godwin had ‘sold’ his daughters Mary and Claire to Shelley, after Shelley had invested money in the bookshop that Godwin ran. Shelley himself was a huge admirer of both Godwin and Wollstonecraft, and his own philosophy had been greatly influenced by Godwin’s political treatise Enquiry Concerning Political Justice. One of the key ideas that he took...
View article Horror and politics
Article 5 mins
Animals at the extremes: hibernation and torpor
Nature & Environment

Animals at the extremes: hibernation and torpor

...respiration, circulation and behaviour to adapt to prevailing conditions in the habitat...Animals at the extremes: Hibernation and torpor: 6.2 The hypothalamus as central regulator - Research in the past 30–40 years has established that the hypothalamus, which lies below the thalamus and above the optic nerve chiasma and the pituitary gland in the brain, fulfils all of...
View course Animals at the extremes: hibernation and torpor
Level 2: Intermediate 14 hrs
Microgravity: living on the International Space Station Badge icon
Science, Maths & Technology

Microgravity: living on the International Space Station

...respiration as you carry out a range of activities. By the end of this week, you should be able to: explain the types of scientific research that can benefit from microgravity environments, focusing on ageing carry out a home practical experiment to measure your heart rate and respiration calculate speed using distance and time data interpret data from a pie chart and a...
View course Microgravity: living on the International Space Station
Level 1: Introductory 24 hrs