I used sound waves to make espresso. It could cut coffee‑brewing energ

## 热点资讯

**I used sound waves to make espresso. It could cut coffee‑brewing energy use by ¾** 在HackerNews上引发了广泛关注，获得了 **164** 个点赞。

🔗 原文链接：[https://theconversation.com/i-used-sound-waves-to-…](https://theconversation.com/i-used-sound-waves-to-make-espresso-it-could-cut-coffee-brewing-energy-use-by-75-284929)

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## 📊 信息速览

– **标题**：I used sound waves to make espresso. It could cut coffee‑brewing energy use by ¾
– **热度**：164 ⭐
– **类别**：科技资讯
– **来源**：HACKERNEWS
– **日期**：2026-06-20

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> 💡 本文由 hogow资源站 整理发布