Defect-filled lead-halide perovskites rival silicon solar cells because domain walls inside the material separate and guide charges. Researchers visualized these charge-transport networks using a ...
Why did a $72 million mission to study water on the moon fail so soon after launch? A new NASA report has the answer.
Direct transfer trip,” a costly approach to ensure that distributed generation shuts down during a power outage, can make solar projects uneconomical. A national lab report points to a combination of ...
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