HomeScientists Just Tested a Thruster Powerful Enough for Human Missions to Mars – SciTechDaily Scientists Just Tested a Thruster Powerful Enough for Human Missions to Mars – SciTechDailyCanada Scientists Just Tested a Thruster Powerful Enough for Human Missions to Mars SciTechDaily Could NASA’s Lithium-Plasma Engine Be The Key To Getting Humans To Mars? Jalopnik