302：消暑那些事儿
· 57 min
Episode 302：消暑那些事儿
0:00
56:49
穿越回古代，如何愉快地渡过夏天？古代皇室使用的冰，是从何而来的？民间又有怎样的纳凉妙招？打开门不关的冰箱，为什么不能当空调使？压缩机制冷的原理又是什么？空调编号的背后又有怎样的秘密？这期节目，其实包含两个“古早味”的原样话题：《穿越回古代如何度夏》、《冷是如何制造的?》。
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