DFDs seem promising, but are far from producing 1G of thrust. https://en.m.wikipedia.org/wiki/Direct_Fusion_Drive https://en.m.wikipedia.org/wiki/Direct_Fusion

DFDs seem promising, but are far from producing 1G of thrust. https://en.m.wikipedia.org/wiki/Direct_Fusion_Drive https://en.m.wikipedia.org/wiki/Direct_Fusion_Drive