Solar electric propulsion in the megawatt class is better than capabilities that we have now. There are other capabilities like electric solar sails and nuclear fusion for space propulsion which I think will be developed and will have far more impact and capability.
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Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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