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Researchers at the School of Engineering of the Hong Kong University of Science and Technology (HKUST) have developed a novel elastic alloy called Ti78Nb22, which achieves remarkable efficiency for solid-state heat pumping and exhibits a reversible temperature change (ΔT) ability that is 20 times greater than that of conventional metals when stretched or compressed, offering a promising green alternative to traditional vapor-compression heating and cooling technologies.

Only a tiny fraction of the deep ocean is explored, leaving 66% of Earth’s surface largely unseen. Researchers urge global, inclusive efforts to map and protect this vast and vital ecosystem. In a groundbreaking study published in Science Advances, researchers from the Ocean Discovery League reve