MIT researchers have discovered a way to triple the efficiency of devices that can harvest heat — produced as a byproduct of industrial processes and combustion engines — and turn that otherwise wasted heat into electricity, using “topological” materials, which have unique electronic properties.

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MIT researchers have discovered a way to triple the efficiency of devices that can harvest heat — produced as a byproduct of industrial processes and combustion engines — and turn that otherwise wasted heat into electricity, using “topological” materials, which have unique electronic properties.