jdoire writes: "Using a thin metallic film of americium-242m, a rocket could reach Mars in only 2 weeks. This is made possible because the nuclear material could be used both as a source of energy and as a propellent material, making the engine very efficient and light weigth. Check ScienceDaily for the full story."
Attend or create a Slashdot 20th anniversary party! DEAL: For $25 - Add A Second Phone Number To Your Smartphone for life! Use promo code SLASHDOT25. Check out the new SourceForge HTML5 Internet speed test. ×