Harder than Diamonds?

“Diamonds have long been considered the world’s hardest material” Scrape one diamond across any surface and it will make a scratch. Researchers have created a new material that may be even harder than diamond. To create the substance they began with carbon molecules called fullerenes, each molecule contains 60 carbon atoms arranged in a pattern that looks just like soccer ball, then they adde a carbon-rich liquid called xylene to the fullerenes. “The carbon atoms in each xylene molecule are arranged in a ring. Xylene molecules weakly link to the fullerenes and so helped keep those ball-shaped molecules spaced a certain distance apart”. The new substance can resist the weight of about 300 elephants on top of a postage stamp. 

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  http://www.sciencenewsforkids.org/2012/10/harder-than-diamonds/

 

Franco Aragones

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