Two teams of DARPA performers have achieved world record power output levels using silicon-based technologies for millimeter-wave power amplifiers. RF power amplifiers are used in communications and sensor systems to boost ...
Electronics & Semiconductors
Mar 27, 2013
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Swiss researchers have succeeded in growing sea-urchin shaped nanostructures from minute balls of polystyrene beads using a simple electrochemical process. The spines of the sea urchin consist of zinc oxide nanowires. The ...
Nanomaterials
Jul 29, 2010
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(Phys.org) —The potential energy available via solar power might seem limitless on a sunny summer day, but all that energy has to be stored for it to be truly useful. If you see a solar panel on a rooftop, in a large-scale ...
Energy & Green Tech
Jun 7, 2013
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(PhysOrg.com) -- Waste heat is a byproduct of nearly all electrical devices and industrial processes, from driving a car to flying an aircraft or operating a power plant. Engineering researchers at Rensselaer Polytechnic ...
Nanomaterials
Sep 29, 2011
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Air pollution dramatically reduces pollination because it degrades the scent of flowers, affecting bees' ability to find them, a study has found.
Plants & Animals
Sep 4, 2023
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Gradually replacing 20 percent of global beef and lamb consumption with meat-textured proteins grown in stainless steel vats could cut agriculture-related CO2 emissions and deforestation in half by 2050, researchers reported ...
Environment
May 7, 2022
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(Phys.org) -- Researchers have taken a step toward overcoming a key obstacle in commercializing "hyperbolic metamaterials," structures that could bring optical advances including ultrapowerful microscopes, computers and solar ...
Condensed Matter
May 15, 2012
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Researchers at the University of Regensburg track the first step in the reaction of one single dye pigment with oxygen at an unprecedented resolution.
Analytical Chemistry
Jul 22, 2021
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(Phys.org) —Resistive memory cells (ReRAM) are regarded as a promising solution for future generations of computer memories. They will dramatically reduce the energy consumption of modern IT systems while significantly ...
Nanophysics
Apr 24, 2013
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'Scrubbing' carbon dioxide (CO2) from industrial exhaust gases is one of the critical steps needed to reduce CO2 emissions. It remains a major challenge for researchers, however, to find materials that can reliably soak up ...
Materials Science
Mar 28, 2011
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