In 2003, Russian physicists Andre Geim and Konstantin Novoselov found a way to produce graphene – the thinnest substance in the world – by using sticky tape to separate an atom-thick la...więcej »
'Magisterial' - Guardian'Outstanding' - Ian KershawVladimir Putin is a pariah to the West.Alone among world leaders, he has the power to reduce the United States...więcej »