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How was the Moon made, and when did it happen?
Science, Maths & Technology

How was the Moon made, and when did it happen?

...energy locked up in orbital motion and spin) to eventually form a stable moon. Instead, they found that a more feasible way to form the Moon is as the end result of a series of about 20 collisions by Mars-to-moon sized planetary embryos onto the body which later became the Earth. Each collision yielded a debris ring that would soon coalesce into a small moon. But tides...
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Video 5 mins
What Brexit and Trump mean for Global Justice and International Development
Society, Politics & Law

What Brexit and Trump mean for Global Justice and International Development

...energy resources. Thirdly, this is in essence a shift towards an unprecedented economic and cultural competition that might intensify conflict between declining powers (i.e. US and the UK) and emerging powers (i.e. China and India) for global domination. We can see this shift in both Trump’s claims that he will act more aggressively in international relations with Asia,...
View article What Brexit and Trump mean for Global Justice and International Development
Article 15 mins
Leaving the EU means losing access to EU agencies - so why aren't we talking about it?
Society, Politics & Law

Leaving the EU means losing access to EU agencies - so why aren't we talking about it?

...Energy Community. There are also more than 40 specialist EU agencies throughout the continent from which the UK will no longer benefit. [The Conversation] Some, such as the European Food Safety Authority in Parma, have important regulatory roles. These agencies are full of experts whose work directly benefits British people’s health, security and economic well-being....
View article Leaving the EU means losing access to EU agencies - so why aren't we talking about it?
Article 5 mins
Low pressure die casting (counter-pressure casting)
Science, Maths & Technology

Low pressure die casting (counter-pressure casting)

...energy saving. Casting machines are expensive, come in a wide variety of designs, and take up more floor space than gravity die casting machines. Automatic cycling and casting removal are possible, enabling an unskilled operator to cope with more than one machine, thus giving a 10–20% increase in production rate. Production rates depend largely on size and complexity of...
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Article 5 mins
Laser surface treatment
Science, Maths & Technology

Laser surface treatment

...energy. [Images to demonstrate 'Laser surface treatment' - see article] Materials: Transformation hardening Restricted to cast iron, plain carbon and alloy steels. Cooling rates are usually well to the left of the “nose” of the T.T.T. hardenability curve, enabling “low hardenability” plain carbon steels to be surface hardened. When hardening pearlitic cast irons,...
View article Laser surface treatment
Article 10 mins
Gravity die casting
Science, Maths & Technology

Gravity die casting

...Energy requirement is about half that of conventional sand casting. Steel castings have been shown to be 15–20% cheaper than comparable sand castings. Cost of gravity die castings is comparable with other casting processes (see diagram). Typical products include cylinder heads, wheel hubs and pistons (non-ferrous), crankshafts, disc-brake parts and hydraulic components...
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Article 5 mins
Introduction to the Amazon System
Nature & Environment

Introduction to the Amazon System

...energy potential (through hydroelectric dams), timber and agricultural land. Minerals, fossil fuels, electricity, wood and food are the ‘natural resources’ which we all use and consume every day. With a growing global population and ever increasing rates of consumption per capita, these commodities are becoming scarce and highly sought after. Use of resources to...
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Article 5 mins
Plastic materials, pollution and recycling
Science, Maths & Technology

Plastic materials, pollution and recycling

...energy trapped within the materials, this is often the best option for highly contaminated plastics. A better solution to waste plastics, if simple reuse isn’t practical, is to recycle the plastic materials. This is often so-called materials recycling where the plastic is separated, shredded and re-melted to form a new product. Alternatively if appropriate the plastic...
View article Plastic materials, pollution and recycling
Article 10 mins