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A hot carrier solar cell includes the absorption layer, the extraction layer, an energy selective contact, and the actual contact. Experiments showed the presence of a barrier inhibiting carrier extraction, as indicated between the absorption layer and the extraction layer, which are both n-type. Credit: Journal of Photonics for Energy (2024). DOI: 10.1117/1.JPE.15.012502 Hot carrier
Among others, skeletons found during an excavation at a cemetery in Sejet, Denmark, provided genetic samples for new plague study from Kiel University. Credit: Unit of Anthropology, SDU The origins of the plague go back to the Neolithic Age, with the oldest findings of the causative pathogen Yersinia pestis coming from human bones around 5,000