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Search results for harvesting devices

Ecology Sep 28, 2018

Fisheries nations to decide fate of declining bigeye tuna

Dozens of nations with commercial fisheries in the Atlantic Ocean will grapple next week with a new finding that bigeye tuna, the backbone of a billion dollar business, is severely depleted and overfished.

General Âé¶¹ÒùÔºics Sep 28, 2018

Engineering 3-D mesostructures with mechanically active materials

Microelectromechanical systems (MEMS) have expansive applications in biotechnology and advanced engineering with growing interest in materials science and engineering due to their potential in emerging systems. Existing techniques ...

Materials Science Sep 25, 2018

Multimodal imaging shows strain can drive chemistry in a photovoltaic material

A unique combination of imaging tools and atomic-level simulations has allowed a team led by the Department of Energy's Oak Ridge National Laboratory to solve a longstanding debate about the properties of a promising material ...

Energy & Green Tech Sep 19, 2018

Printed solar cell set to transform electronics manufacturing

Researchers have achieved a new efficiency record in organic photovoltaic cells. The process could improve the production of new devices for energy harvesting and lighting.

Ecology Sep 16, 2018

Spanish farmers go nuts for almonds as global demand booms

Surging worldwide demand for almonds is pushing Spanish farmers to replace traditional wheat and sunflower fields with almond orchards, transforming the landscape in the south of the country.

Nanophysics Sep 7, 2018

An unexpected gray area could bring about long-lasting solar cells

University of Wisconsin-Madison materials engineers have made a surprising discovery that could dramatically improve the lifetime of solar energy harvesting devices.

Nanomaterials Sep 6, 2018

Pushing 'print' on large-scale piezoelectric materials

First ever large-scale 2-D surface deposition of piezoelectric material—Simple, inexpensive technique opens new fields for piezo-sensors & energy harvesting

General Âé¶¹ÒùÔºics Aug 31, 2018

Device harvests energy from low-frequency vibrations

A wearable energy-harvesting device could generate energy from the swing of an arm while walking or jogging, according to a team of researchers from Penn State's Materials Research Institute and the University of Utah. The ...

Materials Science Aug 21, 2018

Portable freshwater harvester could draw up to 10 gallons per hour from the air

For thousands of years, people in the Middle East and South America have extracted water from the air to help sustain their populations. Drawing inspiration from those examples, researchers are now developing a lightweight, ...

General Âé¶¹ÒùÔºics Aug 1, 2018

Researchers put a new spin on cooling electronic hotspots

The longevity of electronic devices is tested in many ways as they endure the rigors of daily usage. Even when they are treated with the utmost care, they still have a major challenge to overcome – the removal of heat.

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