In a laboratory in Leiden in 1911, Dutch physicist Heike Kamerlingh Onnes discovered a phenomenon that defied the known laws of physics: superconductivity. While measuring the properties of mercury at temperatures near absolute zero, he observed that its electrical resistance did not just decrease—it vanished entirely, transforming the metal into a perfect conductor. Achieving this effect at room temperature has since become a "philosopher’s stone" for science, promising a world of perfect energy efficiency, loss-free power grids, and high-speed levitating trains.Despite over a century of research, the quest for room-temperature superconductivity remains a daunting frontier characterized by extreme trade-offs. Recent breakthroughs have achieved superconductivity at higher temperatures, but only by subjecting materials like "red matter" to the colossal pressures found inside diamond anvil cells. These materials lose their near-perfect properties the moment the pressure is released, making them currently useless for practical applications like circuits or wires. The field now faces a critical dilemma: finding a way to retain these favorable structures through clever chemistry at ambient pressure, a challenge that may require a new kind of partner in the discovery process.
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