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Breakthrough Starshot wants to take light sail technology even farther out to space—all the way to Proxima Centauri. Last year, the organization announced a plan to use light sailing and laser propulsion to accelerate dozens or even hundreds of nano-spacecraft fast enough to reach Proxima Centauri in a matter of decades. We're talking about relativistic speeds, roughly 20 percent of the speed of light, or somewhere around 100 million mph.
originally posted by: ShadeWolfFrankly, it's not going to be practical for us until we make a few big advances. Specifically, we need faster ships, better communications, and a way to ensure colonies will be completely self-sufficient, because they won't be seeing regular supply runs from Earth.
Direct Fusion Drive is a a revolutionary direct-drive, fusion-powered rocket engine. Compact and clean-burning, each 1-10 MW Direct Fusion Drive (DFD) engine can produce both power and thrust with high specific power. Power and propulsion are both generated from a single engine, which shortens trip times and increases capability for a wide variety of space missions: robotic missions to the outer planets, human missions to the moon or Mars, missions to near interstellar space.
originally posted by: schuyler
Plus it would be a lot cheaper to do an unmanned survey first.
originally posted by: hiddenlight
If I had a lot of money, I would keep my feet on the earth, head out of the clouds, pay all my bills, quit my life-sucking job, and live a nice-reality based life.