Sessize al
RELATÓRIOS DO UNIVERSO
Por Que Ainda Não Construímos o Elevador para o Espaço? E se pudéssemos chegar ao espaço sem foguetes — só subindo num elevador? O conceito do Elevador Espacial existe desde 1895 e a NASA já estudou sua viabilidade. O cabo precisaria ter 36 mil quilômetros de comprimento, ligando a Terra a um satélite em órbita geoestacionária. O problema? O material forte o suficiente ainda não existe em escala industrial. Nem o Kevlar, nem o aço chegam perto. Os nanotubos de carbono têm a resistência teórica
Takip et
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