Driving an electron spin vortex "Skyrmion" with a microcurrent

RIKEN and the National Institute for Materials Science (NIMS) have succeeded in forming a skyrmion crystal in which electron spin is aligned in a vortex shape in a microdevice using the helimagnet FeGe. The skyrmion crystal ...

Futuristic copper foam batteries get more bang for the buck

People use their GPS apps, cameras, and mobile internet to navigate strange cities in search of good coffee, record "selfie" commentary while they wait in line, and upload their videos directly to social media sites while ...

EXPLAINER: Why Haiti is prone to devastating earthquakes

Earthquakes have been wreaking havoc in Haiti since at least the 18th century, when the city of Port-au-Prince was destroyed twice in 19 years. Saturday's powerful quake killed hundreds and injured thousands more. Eleven ...

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