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The Lightest shielding Material in the world

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A sample of the electromagnetic shielding material made by Empa – a composite of cellulose nanofibres and silver nanowires. Image: Empa

Protection against electromagnetic interference

Researchers have succeeded in applying aerogels to microelectronics: Aerogels based on cellulose nanofibers can effectively shield electromagnetic radiation over a wide frequency range – and they are unrivaled in terms of weight.

Electric motors and electronic devices generate electromagnetic fields that sometimes have to be shielded in order not to affect neighboring electronic components or the transmission of signals. High-frequency electromagnetic fields can only be shielded with conductive shells that are closed on all sides...

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