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Ultimate Nuclear Salt Water Rocket 7.6% of Light Speed

The article from NextBigFuture discusses the concept of a nuclear salt-water rocket, which could theoretically propel spacecraft to speeds up to 7.6% of the speed of light. This rocket design involves using a solution of uranium salts in water, where the nuclear reactions occur in a controlled manner to produce thrust. The rocket would eject highly radioactive exhaust, making it unsuitable for use near Earth but potentially viable for deep space missions. The article highlights the potential for such a rocket to drastically reduce travel times within our solar system and even to nearby stars, although it also notes significant engineering and safety challenges. The concept, while speculative, promises a high specific impulse, which is a measure of how effectively a rocket uses propellant, potentially allowing for much faster interplanetary and interstellar travel compared to current technology.

Read the Full NextBigFuture Article at:
[ https://www.nextbigfuture.com/2025/03/ultimate-nuclear-salt-water-rocket-7-6-of-light-speed.html ]