SMRTR Science & EngineeringJul 19, 2026Interesting Engineering

Next-generation solid ‘sandwich’ crystal designed to convert waste heat into electricity

SMRTR summary

Researchers in Tokyo created a solid crystal material that converts waste heat into electricity by mimicking ultra-thin atomic films inside a bulkier, more practical structure. The crystal blocks heat while allowing electricity to flow, though toxicity concerns and efficiency challenges must be solved before real-world use.

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