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Matt Ridley - Stories of Change
Nature & Environment

Matt Ridley - Stories of Change

...out it, I always declare that I have, currently, an interest in coal mining. It doesn’t actually last for very much longer, another couple of years and then I get no money from coal mining and then I can say what I really think, which is that coal is wonderful! RH: OK, well – MR: RH: Let’s get back onto that in a moment, because I’d like to start, if you...
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Audio 5 mins
Induction/flame hardening
Science, Maths & Technology

Induction/flame hardening

...burning and distortion, so the process is usually automated using specially shaped burners. Typical applications include gear teeth, brake drums, axles, cams and crankshafts. Materials: Ferrous metals whose composition is such that the required hardness will be obtained on quenching from the austenite region: a minimum of 0.3% C. Most materials have at least 0.4% C, and...
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Article 10 mins
Impossible Peace 2: "The taigs are getting everything"
OpenLearn Ireland

Impossible Peace 2: "The taigs are getting everything"

...burning vehicles and a white police vehicle next to them.]Loyalist riots spread across the city. Image - Pacemaker [Typed up report on the events with statistics. See details below for full transcript.]The figures telling the story of the street fight. Live rounds and plastic bullets . Guns seized and a bomb factory discovered. The rage Chief Constable Hugh Orde had...
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Article 5 mins
The Tulsa Race Massacre
Society, Politics & Law

The Tulsa Race Massacre

...burned to the ground, some of which may have been caused by bombs from private aircraft. There were no criminal prosecutions of the white residents who perpetrated most of the violence, or the state officials who armed them, but thousands of African Americans were interned in the days following the massacre. The long-term harms generated by the Tulsa Race Massacre (and...
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Article 10 mins
Climate change
Nature & Environment

Climate change

...out by burning fossil fuels, especially coal. [See Section 2.6 for the part this has played in 20th century climate change.] (d) This episode exemplifies points flagged up at the beginning of Section 2.1. Given evidence of an apparent, but relatively short-term, trend in global temperature, we need to be wary of jumping to conclusions - both about the significance of that...
View course Climate change
Level 2: Intermediate 18 hrs
Health and safety in the laboratory and field
Science, Maths & Technology

Health and safety in the laboratory and field

...burns; in addition, paperwork and other flammable material should be kept out of the working area. A hot crucible taken from a furnace or oven must be placed on a designated heat-resistant surface and allowed to cool before being handled. It is essential that there is plenty of room to manoeuvre when handling hot materials. 7.7.2 Compressed-gas cylinders Gases are usually...
View course Health and safety in the laboratory and field
Level 1: Introductory 1 hr
How can we improve teaching about Islam?
Education & Development

How can we improve teaching about Islam?

...burning mosques or even attacking people physically. At the heart of such fear is ignorance. A December 2015 poll found that a majority of Americans (52 percent) do not understand Islam. In this same poll, 36 percent also said that they wanted to know more about the religion. Interestingly, those under 30 years were 46 percent more likely to have a favorable view of...
View article How can we improve teaching about Islam?
Article 5 mins
What were Victorian pauper's graves like?
History & The Arts

What were Victorian pauper's graves like?

...out to him to place the ropes under the arms of Oakes, and the instant he stooped down to raise the head of Oakes he appeared as if struck with a cannon ball, and fell back with his head in a different direction to his fellow sufferer, and appeared instantly to expire. King, the former gravedigger, made two or three ineffectual attempts to descend, but so foul was the air...
View article What were Victorian pauper's graves like?
Article 10 mins