<ul><li>Antimatter was first theorized by physicist Paul Dirac in 1928, leading to the discovery of the positron by Carl Anderson in 1932, marking its entry into physical science.</li><li>Antimatter is the most expensive substance on Earth, with the cost of producing just one gram estimated at $62.5 trillion, due to the complexities of production and storage.</li><li>Despite its high cost, antimatter is already being used in medicine for PET scans and holds potential for revolutionizing space travel as a highly efficient spacecraft fuel.</li><li>The future of antimatter depends on technological advancements to reduce production costs and overcome storage challenges, with recent breakthroughs hinting at progress but practical applications still years away.</li></ul>

Antimatter: The Universe’s Most Precious Mirror

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