Holograms with explosive power

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Mould insert with explosive-stamped holographic structures in its inner ring. Fraunhofer ICT
Mould insert with explosive-stamped holographic structures in its inner ring. © Fraunhofer ICT

People who handle explosives usually have heavy-duty tasks to perform – dislodging rocks, demolishing old buildings, or triggering an avalanche. But explosives can be used for delicate tasks, too: They make it possible to emboss holograms in steel.


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