Flight of fancy?

• Autores: Geraint F. Lewis
• Localización: New scientist, ISSN 0262-4079, Nº. 3101, 2016, págs. 20-21
• Idioma: inglés
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• Resumen

  • From Earth, light takes four years to reach Proxima Centauri, the nearest star to our sun. Compared with light, the most powerful rockets are sluggish, and journeys between the stars seem doomed to involve thousands of years of sliding through the blackness. The growth of any Galactic Empire appears destined to be a slow and sedate affair. Here, Lewis wonders whether speculation about the EM drive, a proposed physics-busting starship engine, is back but is it still just for dreamers.