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An artist's depiction of drilling for brine underneath volcanoes to extract useful metals and minerals needed for green technologies
  • Materials
  • Environment & sustainability
  • Issue 98

Mining volcanoes for metals

Green technologies depend on a range of metals and minerals. With concerns about environmental damage from conventional mining, scientists and engineers are seeking alternative sources. Could metal-rich magmatic brines underneath volcanoes have the answer?

A worker wearing protective gear is standing several metres away from the outlet of a blast furnace, pushing a temperature probe into the white-hot molten metal pouring from it.
  • Design & manufacturing
  • Materials
  • Issue 98

Greening the UK’s steel industry

Steel has made modern life as we know it possible, but it needs to clean up its act. Leonie Mercedes investigates how engineers are working to decarbonise this important global industry.

A nitrile-gloved pair of hands soldering electronics in an HMGCC electronics lab
  • Electricals & electronics
  • Technology & robotics
  • Issue 98

The secret world of national security tech

Attracting a new generation of the best engineering talent is at the heart of national security’s bid to stay ahead of rapid technological advances. His Majesty’s Government Communications Centre (HMGCC) explains more about how this is done.

Quick read

View of planet Earth from space, being orbited by a satellite harvesting solar power
  • Aerospace
  • Innovation Watch

Generating solar energy from space

Renewable solar energy harvested from space could help us to meet net zero by putting large arrays of photovoltaic panels in orbit to send solar energy down to Earth.

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Two electrical engineers designing hardware for a security system using computer aided design software on their computers.
  • Electricals & electronics
  • Innovation Watch
  • Issue 98

The community IoT network preventing break-ins in Uganda

After thieves broke into his home and stole $1,500 worth of valuables, Ugandan engineer Anatoli Kirigwajjo wanted to prevent it happening to others. He’s developed an Internet of Things-based security system that alerts neighbours.

An illustration of a swarm of small drones, forming a "murmuration" resembling the shape of a bird.
  • Technology & robotics
  • Issue 97

Engineering swarm robotics

Dr Anna Ploszajski explores the engineering that goes into copying one of nature’s finest spectacles, and some of the surprising applications possible when robots work together.

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We run stories about engineering of all kinds.
Our stories showcase its unique breadth and variety, how it makes a difference, and how it helps to shape an inclusive, equitable, and sustainable future.

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Illustration for Ingenia by Benjamin Leon

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