796 search results
Why is New Delhi experiencing ever-worsening periods of smog?
Nature & Environment

Why is New Delhi experiencing ever-worsening periods of smog?

...energy plants to incinerate the 10,000 odd tonnes of municipal solid waste generated daily by New Delhi’s 25 million residents. Alarm bells first began ringing in 2014 when a WHO study of ambient air pollution in 1,600 cities across the world found New Delhi the worst. This was especially in respect to respirable suspended particulate matter (RSPM) or PM 2.5 — which...
View article Why is New Delhi experiencing ever-worsening periods of smog?
Article 5 mins
Is the 2020 New Deal a Green New Deal?
Nature & Environment

Is the 2020 New Deal a Green New Deal?

...energy. It is also worth noting that the 1930’s approach is credited with other social gains such as enhanced welfare that remains in place today. The level of investment in the 1930’s New Deal was vast. For several years it equated to between 5% and 7% of the country’s economic output (measured by GDP). The £5 billion announced by Boris Johnson is much, much...
View article Is the 2020 New Deal a Green New Deal?
Article 5 mins
One Lump or Two? Understanding the Place of Sugar - Part One
Society, Politics & Law

One Lump or Two? Understanding the Place of Sugar - Part One

...energy (for example, in energy drinks) and refinement (for example, in luxury chocolate bars); and, if Coke adverts are to be believed, it is even the taste of freedom, peace and harmony – for the world. How can sugar be all of these things? The answer lies in its changing geographies. For the second part in this series head over to Another spoonful? Understanding the...
View article One Lump or Two? Understanding the Place of Sugar - Part One
Article 5 mins
Plasma nitriding/carburising
Science, Maths & Technology

Plasma nitriding/carburising

...energy, produced when the atoms hit the surface. Hardened surface layers are formed on cooling of the workpiece in situ...Plasma carburising furnace [Images to demonstrate 'Plasma nitriding/carburising' - see article ] Plasma carburising Preliminary clean and degrease. Load components into basket and place in furnace. Evacuate and heat. Introduce carburising gas and...
View article Plasma nitriding/carburising
Article 10 mins
The benefits of a longer product life
Science, Maths & Technology

The benefits of a longer product life

...energy efficiency of refrigerators and washing machines. However, in recent years that gain in efficiencies has plateaued and it is no longer the case that energy consuming products should always be replaced by slightly more efficient ones. In fact, it would be quite useful, in environmental terms, if products could last much longer: for example, a washing machine that...
View article The benefits of a longer product life
Article 10 mins
Year of the Horse: Chinese Lunar New Year
Languages

Year of the Horse: Chinese Lunar New Year

...energy, momentum, vitality, freedom, and forward movement. These qualities are deeply embedded in centuries of folklore, philosophy, and daily life. A horse year is often associated with opportunity, movement, and new ventures. For many, it is a time to be bold, take decisive steps, and embrace change with enthusiasm. In 2026, the horse year is specifically a ‘Fire...
View article Year of the Horse: Chinese Lunar New Year
Article 5 mins
The Legacy of Nuclear Power, Part 2
Society, Politics & Law

The Legacy of Nuclear Power, Part 2

...energies into trying to bury it and forget it we need to have regard to what is actually happening and what is actually there. And what is there is gonna be there for a long time. And when you use the words “short term”, forgive me I find this very difficult, but this is typical. The government and the industry will talk about interim storage. Now interim implies...
View audio The Legacy of Nuclear Power, Part 2
Audio 5 mins
Introduction to computational thinking
Science, Maths & Technology

Introduction to computational thinking

...solar system (see Figure 8). The purpose of such a model, known as an orrery, is to represent the position of the planets relative to each other over time. The invention of the orrery is usually attributed to George Graham (1673–1751). Graham worked on this with the support of the 4th Earl of Orrery, which explains the name. The tiny crank on the side of the central...
View course Introduction to computational thinking
Level 2: Intermediate 12 hrs