When vibrations increase on cooling: Anti-freezing observed

An international team has observed an amazing phenomenon in a nickel oxide material during cooling: Instead of freezing, certain fluctuations actually increase as the temperature drops. Nickel oxide is a model system that ...

Magnetic whirls in future data storage devices

Magnetic (anti)skyrmions are microscopically small whirls that are found in special classes of magnetic materials. These nano-objects could be used to host digital data by their presence or absence in a sequence along a magnetic ...

Unravelling Earth's magnetic field

ESA's Swarm satellites are seeing fine details in one of the most difficult layers of Earth's magnetic field to unpick – as well as our planet's magnetic history imprinted on Earth's crust.

Here's why Americans are getting new credit and debit cards

The battle against credit card fraud is inching forward. As of Thursday, the liability for fraud committed using traditional MasterCard and Visa magnetic-stripe credit and debit cards will shift from banks to stores. The ...

Startup tries to 'Poynt' stores in new direction

A Silicon Valley startup is hoping an upcoming transition to smarter credit and debit cards will persuade millions of U.S. merchants to buy savvier payment terminals for their stores, too.

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