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Mientras que en Mexico los niños jugaban en las calles, los americanos les daban a sus hijos contadores Geiger de juguete al termino de la 2a Guerra Mundial ¡ay wey! #Juguetes #Toys #Atomic

from Mail Online

Scientists develop lightest solid material ever which can balance on top of a flower

The lightest solid ever developed: A piece of graphene aerogel developed in a lab at Zhejiang University is placed on a cherry flower in Hangzhou in east China's Zhejiang province