UCLA
The University of California, Los Angeles (UCLA) is a public research university in Los Angeles, USA. It is one of the campuses of the University of California system.
Heat usually spreads in every direction. In 2026, UCLA researchers found that in a boron arsenide crystal, heat can travel in narrow, ray-like beams at room temperature, forming 4-, 6-, or 8-point star patterns based on crystal direction — like light through fiber.
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