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"We've got to think about everything possible that there is to think about," said Eric Davis of the Austin, Texas-based Institute for Advanced Studies. "We have got to turn over every stone, and look into the future to find out what's waiting for us. What can physics do ... where should physics be going?"
"We can pick ourselves up off the ground and start using advanced, high-efficiency, high-powered, high-speed propulsion," Davis said, "to make access to space much more effective and much easier to do."
Be it laser beam propulsion, gravity modification, extracting energy from a vacuum, or traversable wormholes and warp drives — these and other concepts deserve attention, Davis said.
Originally posted by Protector
some of the professionals are starting to feel that not enough money is going into realistic experiments for more advanced propulsion methods.