Electronics & Semiconductors

Harvesting vibrational energy from 'colored noise'

The energy demands of today's ubiquitous small electronic devices—including sensors, data transmitters, medical implants and 'wearable' consumer products such as Fitbits—can no longer be met by chemical batteries alone. ...

Electronics & Semiconductors

A solar cell you can bend and soak in water

Researchers from the RIKEN Center for Emergent Matter Science and collaborators have developed an organic photovoltaic film that is both waterproof and flexible, allowing a solar cell to be put onto clothes and still function ...

Engineering

Piezo composites with carbon fibers for motion sensors

An international research group has engineered a novel, high-strength flexible device by combining piezoelectric composites with unidirectional carbon fiber (UDCF), an anisotropic material that provides strength only in the ...

Engineering

Engineers develop new method to spot lithium-ion battery problems

Mechanical engineers at the University of Sheffield have developed a new way of determining the internal structure and health of batteries that power many of the electronic devices and vehicles at the center of our everyday ...

page 1 from 4