410 search results
Powder Forging / Hot pressing
Science, Maths & Technology

Powder Forging / Hot pressing

...carbon steel, which can be hardened and tempered to give mechanical properties as good as, or better than, wrought alloy. Other steel compositions include steels suitable for carburising or through-hardening applications, e.g. Fe-1.8Ni-0.45Mo-0.2Mn-0.35C with a tensile strength of 930 MPa and elongation of 13%. Pre-alloyed aluminium alloy powders include the following...
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Article 5 mins
What were Victorian pauper's graves like?
History & The Arts

What were Victorian pauper's graves like?

...carbonic acid gas, generated from decayed animal, he would not permit the party to go down, as not the slightest hope could be entertained of saving the lives of those who were already at the bottom of the grave. He (Mr Jones) then sent for two bottles of concentrated solution of chlorate of lime, which he threw into the grave, but even after this he found that the foul...
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Article 10 mins
Autumn Statement 2016: Tories shift to growth strategy in an Ed Balls-style pirouette
Society, Politics & Law

Autumn Statement 2016: Tories shift to growth strategy in an Ed Balls-style pirouette

...footprints are clearly visible on the spending boost the chancellor unveiled in his first Autumn Statement. Balls regularly castigated the 2010-15 coalition government for being too hasty to cut public spending and raise VAT. He called, in particular, for a boost to infrastructure, skills and housing investment on the basis that without it, a stifled economic recovery...
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Article 10 mins
Food, shelter and re-designing home as a living system
Science, Maths & Technology

Food, shelter and re-designing home as a living system

...footprints vastly larger than their land areas (Steele, 2020). Housing means much more to people than just shelter. Having secure housing – a home – also plays a crucial role in eating, resting and health, in interacting and socialising, and in connecting and belonging in communities (Max-Neef, Elizalde & Hopenhayn, 1989, p. 33). A home is always embedded in a...
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Article 5 mins
Amazonian challenges: The loss of indigenous culture and identity
Nature & Environment

Amazonian challenges: The loss of indigenous culture and identity

...ruling sets a negative precedent for the indigenous peoples of Guyana, who have been seeking to have their lands recognised and respected for decades. It also exposes the lack of adequate protections for indigenous lands in Guyana, a situation which will only be exacerbated as pressures from mining, logging, and carbon projects grow.” Next: How can the Amazon survive?...
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Article 5 mins
Fermanagh: The backdrop to the G8 summit
Science, Maths & Technology

Fermanagh: The backdrop to the G8 summit

...carbonate rock. The water tends to drain into natural fissures and pools which deepen and widen as the rock is dissolved. The fissures (grykes) follow the grain of the rock and can be metres deep, though narrow. The pavement between the grykes (clints) may be pitted with small solution pools. Further south, the Burren is a magnificent limestone pavement while...
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Article 5 mins
10 flabbergasting facts you'll find on OpenLearn
Miscellaneous

10 flabbergasting facts you'll find on OpenLearn

...carbon emissions, you'd be forgiven for thinking that China are the worst offenders. But there’s a trap here and that's the difference between emission per country and emission per person. Professor Hans Rosling explains (look at the video above for reference): "On this axis I show carbon dioxide emission per person, from a few tonnes per year to 10 and 20 tonnes per...
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Article 5 mins
What can parasites on Arctic shrews tell us about climate change?
Nature & Environment

What can parasites on Arctic shrews tell us about climate change?

...carbon dioxide levels in the atmosphere are higher than they have ever been in the experience of these species, and the accompanying climate change is much more rapid,” says Hope. “That translates to conditions that no one has really experienced before, and we’re not sure exactly how animals and ecosystems are going to respond.” Hope’s work demonstrates that...
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Article 5 mins