<p>➀ Researchers from Seoul National University of Science and Technology have developed a laser surface texturing (LST) technique to enhance the strength and durability of lightweight vehicle joints.</p><p>➁ The method improves the performance of metal-polymer joints by applying specific LST patterns to the surface of advanced high-strength steel (AHSS).</p><p>➂ This technique can lead to lighter and more fuel-efficient vehicles while supporting global sustainability efforts.</p>