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Edition #30 · Tuesday, June 23, 2026 · 1993 positive stories
Tech for Good

Nanotube-based thermoelectrics open a new pathway to waste-heat energy conversion

Phys.org Latest Mon, 22 Ju
Nanotube-based thermoelectrics open a new pathway to waste-heat energy conversion

Whenever someone asks ChatGPT a question, heat is generated somewhere in the server room-a data center. When an electric vehicle battery generates heat during operation, the heat must be managed continuously. Manufacturing processes also generate large amounts of waste heat, much of which is simply released into the atmosphere. But what if we could convert this waste heat back into electricity? Recently, a research team in Korea brought this possibility one step closer to reality.

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The tech section covers stories about technology making life better, not just more profitable. Open-source tools reaching new audiences, accessibility breakthroughs, AI applications in healthcare and education, infrastructure improvements that quietly make cities work better. Product launches and funding rounds are excluded unless they deliver tangible public benefit.

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