11. To advocate an aggressive development program, Ernest Lawrence and fusion reaction . 12. An unrestrained, cascading fusion reaction produces the annihilative power of the hydrogen bomb. 13. These vessels use fusion reactions to power the ship throughout its entire voyage. 14. Some of those isotopes have been produced since then with other fusion reactions . 15. Once reached, the star becomes unstable and undergoes a runaway nuclear fusion reaction . 16. Its goal is to ignite a self-sustaining fusion reaction in a controlled laboratory setting. 17. Fusion reactions are incredibly potent and produce almost no pollution.18. To sustain a fusion reaction , the plasma must be confined. 19. The sun's luminous output is powered by nuclear fusion reactions in its central core. 20. T-4 was tested in 1968 in Novosibirsk, producing the world's first quasistationary fusion reaction .
