antimatter-powered spacecraft
Antimatter is matter that is comprised of antiparticles of corresponding particles in normal matter. The electrical charges and magnetic movements of antiparticles are the opposite of regular particles. When antimatter encounters normal matter, these equal but opposite particles collide to produce an explosion. The energy density of antimatter is roughly 10 billion
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times more powerful than other chemical reactions such as hydrogen and oxygen combustion. This type of energy was previously too expensive to produce in large quantities, but advancements in AI and simulation techniques helped lower its cost tremendously. This happened in parallel with rapid advances in engine design, materials science, and fusion power. By the late 2060s, the first prototype
antimatter-powered spacecraft was demonstrated. Using this propulsion system, a trip to Mars would take one month instead of seven months using other methods. A trip to Jupiter would take 4 months instead of 6 years and a trip to Saturn would take 5 months instead of 7 years.