Re: Is that you? Oiu!
And here's another space propulsion project from noted sci-fi author and physicist Greg Benford, an Earth based microwave beam to propell a satellite to higher orbit via sail.
Space/Science » in reply to Re: Is that you?
And here's another space propulsion project from noted sci-fi author and physicist Greg Benford, an Earth based microwave beam to propell a satellite to higher orbit via sail.