Heat can act like sound wave when moving through pencil lead Posted by Yossi_Frenkel on Wednesday March 20, 2019 @05:05AM from the arstechnica.com dept. https://arstechnica.com/science/2019/03/mit-scientists-heat-can-act-like-sound-wave-when-moving-through-pencil-lead/ ( no comments | 2 points | on HN )
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