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Struktura grafenu.

A single layer of carbon atoms arranged in a honeycomb pattern is the strongest material on Earth. It would take an elephant balanced on a pencil to create enough concentrated strength to break through a graphene sheet the thickness of saran wrap.

Zespół wielotorbielowatych jajników – Wikipedia, wolna encyklopedia

What do people think of Polycystic ovary syndrome? See opinions and rankings about Polycystic ovary syndrome across various lists and topics.