Watching magnetic nano ‘tornadoes’ in 3D

24 February 2020

Scientists have developed a three-dimensional imaging technique to observe complex behaviours in magnets, including fast-moving waves and ‘tornadoes’ thousands of times thinner than a human hair.

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The Esquel pallasite from the Natural History Museum collections, consists of gem-quality crystals of the silicate mineral olivine embedded in a matrix of iron-nickel alloy.

Death of a dynamo – a hard drive from space

21 January 2015

Hidden magnetic messages contained within ancient meteorites are providing a unique window into the processes that shaped our solar system, and may give a sneak preview of the fate of the Earth’s core as it continues to freeze.

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Spin manipulation in a noisy environment. In the quest for ever more precise manipulation of quantum systems, any uncontrolled interaction with the environment is usually considered detrimental.

Spin with a new twist

10 October 2014

Scientists have successfully demonstrated a new way to control the “spin” of an electron – the natural intrinsic angular momentum of electrons which could underpin faster computing in the future. The technique counterintuitively makes use of the ever-changing magnetic field of the electron’s environment - one of the main obstacles to traditional methods of spin control.

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