Space elevators in New Science mag

New Science has an article on elevators to outer space, but you have to pay to read the whole thing:

If you can make it into low-Earth orbit – about 160 kilometres up – then you are halfway to anywhere in the solar system. Sci-fi writer Robert Heinlein’s remark has become a mantra in the space community, mainly for its irony: despite leaps in rocket technology costing billions of dollars, those first 160 kilometres are still the hardest.

[tags]space elevators,new scientist,Heinlein[/tags]

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