Science Daily·4 min read·hard
UCLA scientists discover how to guide heat like light at room temperature
✦AI Summary
UCLA engineers have observed 'phonon focusing' at room temperature in boron arsenide, a phenomenon where heat travels in concentrated rays rather than dispersing evenly. This breakthrough could enable precise heat management in future electronics, similar to how fiber optics guide light.
Managing heat efficiently inside solid materials is essential for developing faster, more reliable electronics. Until now, a wave-based form of heat transport called phonon focusing had only been observed at extremely low cryogenic temperatures, which made it difficult to study and limited its potential applications.
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