Turning light energy into heat to fight disease

An emerging technology involving tiny particles that absorb light and turn it into localized heat sources shows great promise in several fields, including medicine. For example, photothermal therapy, a new type of cancer ...

US delays Huawei ban for 90 days

US officials have issued a 90-day reprieve on their ban on dealing with Chinese tech giant Huawei, saying breathing space was needed to avoid huge disruption.

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