Physicists predict nonmetallic half-metallicity

A team of researchers of the Russian Academy of Sciences (RAS), in collaboration with a colleague from RIKEN (Institute for Physical and Chemical Research in Japan), has provided theoretical proof of the existence of a new ...

Staying a heartbeat ahead of hackers

Nearly a million new forms of malware are unleashed on the world every day. Manufacturers of software for smartphones, laptops and security cameras, as well as banks, retailers and government agencies, release upgrades frequently ...

Electrical engineers create tiny but powerful medical devices

Battery-operated medical devices implanted in human bodies have saved countless lives. A common implant, the cardioverter defibrillator, sends a jolt of electricity to the heart when needed, preventing a heart attack or heart ...

Engineers harness stomach acid to power tiny sensors

Researchers at MIT and Brigham and Women's Hospital have designed and demonstrated a small voltaic cell that is sustained by the acidic fluids in the stomach. The system can generate enough power to run small sensors or drug ...

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