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A green approach to making ammonia could help feed the world

18-May-2018

A UCF research team with collaborators at Virginia Tech have developed a new "green" approach to making ammonia that may help make feeding the rising world population more sustainable. "This new approach can facilitate ammonia production using renewable energy, such as electricity generated from ...

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Controlling the properties of graphene transistors using pressure

18-May-2018

A Columbia University-led international team of researchers has developed a technique to manipulate the electrical conductivity of graphene with compression, bringing the material one step closer to being a viable semiconductor for use in today's electronic devices. "Graphene is the best ...

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Key enzyme for production of second-generation ethanol discovered in Brazilian Amazon

17-May-2018

Second-generation ethanol (also called cellulosic ethanol) open perspectives for optimizing alcohol production. Since 2G ethanol is obtained from from sugarcane straw and bagasse, it basically makes it possible converting waste into energy. Holder of the world's best biomass and boasting the ...

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Making carbon nanotubes as usable as common plastics

17-May-2018

Northwestern University's Jiaxing Huang is ready to reignite carbon nanotube research. And he's doing so with a common chemical that was once used in household cleaners. By using an inexpensive, already mass produced, simple solvent called cresol, Huang has discovered a way to make disperse ...

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No motor, no battery, no problem

17-May-2018

Engineers at Caltech and ETH Zurich have developed robots capable of self-propulsion without using any motors, servos, or power supply. Instead, these first-of-their-kind devices paddle through water as the material they are constructed from deforms with temperature changes. The work blurs the ...

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Neutrons measured with unprecedented precision using a 'magneto-gravitational trap'

17-May-2018

A study led in part by physicists at the Indiana University Center for the Exploration of Energy and Matter could provide new insight into the composition of the universe immediately after the Big Bang -- as well as improve calculations used to predict the life span of stars and describe the ...

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A new method for studying semiconductor nanoparticles has been tested

17-May-2018

A team from Siberian Federal University and Kirensky Institute of Physics (Siberian Department of the Russian Academy of Sciences) applied a new method to study nanoparticles made of cadmium telluride (CdTe). They used a peculiar feature of this compound: its interaction with light differs ...

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Microscale IR spectroscopy enabled by phase change materials and metasurfaces

16-May-2018

The mid-infrared is an interesting part of the electromagnetic spectrum that is composed of colours that cannot be seen by the human eye. Many chemical molecules resonate when illuminated by infrared light. This infrared resonance can then be used to identify or "fingerprint" the molecules. The ...

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Team achieves two-electron chemical reactions using light energy, gold

16-May-2018

Scientists are one step closer to building a carbon-recycling system that can harvest solar energy to efficiently convert CO2 and water into liquid fuels. By optimizing many parts of the system, the researchers say, they can now drive two-electron chemical reactions, a substantial advance over ...

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X-rays from tabletop lasers allows scientists to peer through the 'water window'

16-May-2018

Studying the fleeting actions of electrons in organic materials will now be much easier, thanks to a new method for generating fast X-rays. The technique means advanced measurements of fast reactions will now be possible in physics labs around the world, without having to wait to use expensive ...

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