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A laser that stays locked without active control
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A laser that stays locked without active control

EPFL researchers have developed a chip-based laser that keeps a very stable frequency across its tested operating range, without needing active electronic control. Their research is published in the journal Nature Photonics.

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Alzheimer’s risk gene APOE4 may have a reversible weakness

The Alzheimer’s risk gene APOE4 may actively damage brain blood vessels and sabotage the cellular systems that remove harmful proteins. Researchers were able to reverse some of these effects in experiments, revealing promising new targets for Alzheimer’s, Parkinson’s, and other n

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