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Long Before Burning Man, Zozobra Brought Fire And Redemption To The Desert play pause stop mute unmute max volume 00:0005:40repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update
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Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre
Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h