Security

Researchers invent low-cost alternative to Bitcoin

The cryptocurrency Bitcoin is limited by its astronomical electricity consumption and outsized carbon footprint. A nearly zero-energy alternative sounds too good to be true, but as School of Computer and Communication Sciences ...

Internet

Researcher studies power consumption of cloud infrastructures

In his doctoral dissertation at Umeå University, Jakub Krzywda has developed models and algorithms to control tradeoffs between the power consumption of cloud infrastructures and performance of hosted applications to enable ...

Engineering

Barn owls may hold key to navigation and location

The way barn owl brains use sound to locate prey may be a template for electronic directional navigation devices, according to a team of Penn State engineers who are recreating owl brain circuitry in electronics.

Engineering

Digital PLL achieves a power consumption of 0.265 mW

Scientists at Tokyo Institute of Technology have developed an advanced phase-locked loop (PLL) frequency synthesizer that can drastically cut power consumption. This digital PLL could be an attractive building block for Bluetooth ...

Computer Sciences

New real-time localization and mapping tools for robotics, VR, and AR

A large group of researchers at Imperial College London, the University of Edinburgh, the University of Manchester, and Stanford University have recently collaborated on a project exploring the application of real-time localization ...

Engineering

Chip upgrade helps miniature drones navigate

Researchers at MIT, who last year designed a tiny computer chip tailored to help honeybee-sized drones navigate, have now shrunk their chip design even further, in both size and power consumption.

Security

PowerHammer is wake-up call to data-stealing through power lines

Can security sleuths ever complain there's nothing left to do? The answer is obvious, and one more path to mischief has been recognized in the form of power supplies serving as a data exfiltration tool. It appears that malware ...

Energy & Green Tech

Wind output in Denmark last year was a record-setter

An impressive share of a country's energy consumption through wind? That is one more sign of wind energy's potential as countries look for cleaner energy alternatives. The spotlight goes on Denmark.

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