If you’re impressed by Martian rovers and helicopters, wait till you see what’s on the horizon. NASA has unveiled a range of visionary tech that could be used in future space missions. The projects are the latest members of the Innovative Advanced Concepts (NIAC) program, which funds early-stage studies to evaluate their potential. The new cohort joins an array of innovations that were already in the program. Here’s our pick of the most intriguing ideas. Turning asteroids into giant spacecraft Image: Made In Space Project RAMA has proposed a scalable way of exploring the solar system: converting entire asteroids into…

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