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Environment and energy

Environment and energy

Digging up magnetic clues: archaeology sheds light on magnetic moments of the past

16 Mar 2021
Taken from the March 2021 issue of Physics World.

Analysing magnetic information stored in ancient artefacts is revealing the recent history of the Earth’s magnetic field and providing clues to the changes we might expect in the future. Rachel Brazil explains

(Courtesy:Jon Arnold Images Ltd/Alamy Stock Photo)
The idea that a record of the Earth’s magnetic past might be stored in objects made from fired cla

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Rachel Brazil is a science writer based in London, UK, Twitter @rachelbbrazil
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