Electronics & Semiconductors

Photosynthesis copycat may improve solar cells

A relatively new kind of semiconductor, layered atop a mirror-like structure, can mimic the way that leaves move energy from the sun over relatively long distances before using it to fuel chemical reactions. The approach ...

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. ...

Energy & Green Tech

Scientists explore solar cell-based hybrid energy harvesters

Energy harvesting stands out as a vital player in our modern world. Solar energy, with its renewable and environmentally friendly characteristics, has gained immense popularity in various applications, ranging from small ...

Engineering

Team improves optical efficiency in nanophotonic devices

A team of physicists, headed by the U.S. Naval Research Laboratory (NRL), have demonstrated the means to improve the optical loss characteristics and transmission efficiency of hexagonal boron nitride devices, enabling very ...

Energy & Green Tech

Safely harvesting rainwater for industry

As the pressures of climate change begin to bite particularly hard in the developing world and in regions on the margins of extreme environments, water security is becoming increasingly difficult for many people. A review ...

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