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Heavy ions feel the squeeze What happens when you fire a beam of fast-moving heavy ions into a solid at extremely high pressures? According to a novel experiment at the GSI laboratory in Darmstadt, Germany, you can induce drastic structural changes in the material that are not possible by applying just high pressure or heavy ions on their own (Phys. Rev. Lett. 96 195701). Scientists routinely carry out experiments on materials subject to high pressure and high temperature to mimic the conditions inside the Earth.
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