An indomitable particle: Colloidal silica takes on extreme environments
By Nancy McGuireOn
Colloidal silica can stabilize the ground under buildings during earthquakes and stop the spread of toxic pollutants below ground. This versatile nanomaterial not only preserves ancient carvings in the jungle but keeps the lenses and sensors aboard space vehicles clear and clean, and it stands up to the hot, salty environment of petroleum and natural gas wells.
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