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Takeaway: nanoparticles to the rescue

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Takeaway: nanoparticles to the rescue
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Looks like milk but this product is meant to protect European cathedrals.

Scientists are using innovative nano-particles to produce consolidants that protect historical stones.

Nanoparticles go deep into the stones consolidating and permeating their structures.

This technology is currently being tested in five cathedrals around Europe.

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