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4. Different physical properties

Mauro emphasized the benefits of glass. It allows us to store vaccines, examine cells and stare at the stars. But glass, like all technology, is neutral at its core, he argues. When I think of fiber optics, I think of all the good it's done for a wide range of applications for communications, but it's also done a lot of harm, he said. People were able to use social media to spread lies and hate.