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By the twenty-first century the world was drowning in its own population. A solution had to be found quickly - and it was, in 'gravi-power'. Wonderful, unending source of power - only the scientists knew that its use was reducing the Earth's distance from the sun at a dangerous rate. But if another planet's gravi-power could harnessed . . .
An expedition was launched to Mars, known to be uninhabited - except that a woman was wandering around its surface who claimed she had come from another galaxy to warn Earth of a terrible menace, and there was a huge poly-hedron of metal emanting a force very much like that of gravipower.
Someone else had discovered it! A thousand years ago, or now? Friend, or enemy?
(First published 1965)
An expedition was launched to Mars, known to be uninhabited - except that a woman was wandering around its surface who claimed she had come from another galaxy to warn Earth of a terrible menace, and there was a huge poly-hedron of metal emanting a force very much like that of gravipower.
Someone else had discovered it! A thousand years ago, or now? Friend, or enemy?
(First published 1965)
作者简介
John Brunner (1934-1995) was a prolific British SF writer. He was a winner of the Hugo Award (for Stand on Zanzibar), the British Science Fiction Award and the Prix Apollo.
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