A new breakthrough in space technology could revolutionize the way we explore the universe. Scientists have developed a laser crystal composed of alexandrite, a rare gemstone, that has the potential to be used in space applications. This crystal has unique properties that make it ideal for powering lasers with high energy and high efficiency. The development of this laser crystal could be a game-changer for space exploration, as it could enable spacecraft to travel further and faster than ever before.

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source: Phys.org