Crushing and blasting samples in the lab helps scientists look inward, re-creating the conditions of otherwise unreachably deep portions of the planet.
at the enigmatic boundary between the core and mantle. That layer fascinates geoscientists because it is instrumental in how heat moves between the core and mantle and helps drive plate tectonics and volcanoes.
Kurt Leinenweber, one of the leaders of the new FORCE facility at ASU, recalls a trip he took to Japan in 1989, when he first got to use a multi-anvil press that could create in a lab some of the mineral changes that occur inside Earth. Today, multi-anvil presses are used in labs across the country, but scientists will be able to use the supersize Ichiban to test samples the size of a pencil eraser and take measurements that are difficult at smaller scales.
“The behavior of the core — that’s where experimental techniques are pretty primitive,” said Alexandra Navrotsky, director of the Navrotsky Eyring Center for Materials of the Universe at ASU.
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