🔄 The Peltier Effect: When electricity moves heat

In 1834, Jean‑Charles Peltier discovered an electric current could make one junction cool while another warms. This thermoelectric effect powers portable coolers, stabilizes lasers, and regulates spacecraft instruments, all without moving parts.

✍️ Explore more: https://TPC8.short.gy/82Tqj2rw

❄️ Every junction tells a story of current and heat in motion.

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