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Reconstructions of the strength of a powerful current that circles the South Pole reveal that it has undergone no long-term change in the past five million years, even though Earth cooled substantially over that time. Reconstructions of the strength of the Antarctic circumpolar current.
Clever manipulation of electrons has enabled scientists to change a key property of light emitted by a device using electrically controlled magnetization. The method could lead to stable and energy-efficient information transfer. Light controlled by electrically induced change in magnetization.
A smart adhesive patch that wicks sweat away from electronics embedded in its centre offers comfortable and reliable sensing of the wearer’s biometrics or environment without the risk of perspiration damaging the devices. A flexible liquid diode for protecting wearable devices from moisture.