Ele (elhamhabibifard)

endohedral fullerene Researchers sold 200 micrograms (one millionth of a gram) of this expensive material, which weighs about one-fifteenth of a snowflake or one-third of a human hair, for $32,000. Endohedral fullerenes are spherical nanostructures made of carbon

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How can a house full of colorful flowers feel?

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Grossberg gold mine. Grasberg is located in Papua, Indonesia, this mine is the largest gold mine and the second largest copper mine in the world, which has both an open pit mine and an underground mine.

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Do you agree with the photos that take us to a fantasy world?

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