Read more about the article Bright Violet Cloud Hangs Eerily Over Chilean Town
The photo shows a purple cloud over the town of Pozo Almonte, Chile, an undated photo. The substance would be composed of iodine vapour and would have originated from a pump failure, triggering an environmental emergency. (@JeannetteQuim/CEN)

Bright Violet Cloud Hangs Eerily Over Chilean Town

Officials in Chile are investigating the appearance of a mysterious purple cloud that hung eerily over a town. Photos show the bright purple cloud hovering low over Pozo Almonte, northern…

Continue ReadingBright Violet Cloud Hangs Eerily Over Chilean Town
Read more about the article Boffins Detail How Silicate Nanoparticles Can Save Weathered Historic Buildings
Restauration works at St. Stephen's Cathedral in Vienna. (Archiv der Dombauhutte St. Stephan/Newsflash)

Boffins Detail How Silicate Nanoparticles Can Save Weathered Historic Buildings

Boffins in Austria and Norway have discovered how silicate nanoparticles can save historic buildings made of porous rock from deteriorating in adverse weather. Experts from Vienna University of Technology (TU…

Continue ReadingBoffins Detail How Silicate Nanoparticles Can Save Weathered Historic Buildings

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