Search results for carbide

Optics & Photonics Dec 7, 2017

Novel lenses enable X-ray microscopy with record resolution

Scientists at DESY have developed novel lenses that enable X-ray microscopy with record resolution in the nanometre regime. Using new materials, the research team led by DESY scientist Sasa Bajt from the Center for Free-Electron ...

Space Exploration Dec 6, 2017

Q&A about the toughness of NASA's webb telescope

Just how resilient does a space telescope have to be to survive both Earth's environment and the frigid, airless environment of space? Paul Geithner, the deputy project manager – technical for James Webb Space Telescope ...

Materials Science Dec 5, 2017

Microwaves against cold-start emissions

During cold start, a car engine emits far more particulate matter and other pollutants than during warm conditions. This is because a cold catalytic converter is much less efficient at low exhaust gas temperatures. So what's ...

General Physics Dec 5, 2017

Researchers quantify factors for reducing power semiconductor resistance by two-thirds

A research group in Japan announced that it has quantified for the first time the impacts of three electron-scattering mechanisms for determining the resistance of silicon carbide (SiC) power semiconductor devices in power ...

Space Exploration Nov 7, 2017

Electronics demonstrate operability in simulated Venus conditions

NASA's future planetary exploration efforts, including missions to Venus, require electronics capable of surviving temperatures of 470° C and above for long durations. Such durable electronics eliminate the need for cooling ...

Engineering Oct 11, 2017

Dutch design lab blends naturalistic and futuristic

The first U.S. museum exhibit devoted solely to the experimental and futuristic work of Dutch design studio Joris Laarman Lab is now on view at the Cooper Hewitt Smithsonian Design Museum here.

Engineering Oct 11, 2017

Ceramic pump moves molten metal at a record 1,400 degrees Celsius

A ceramic-based mechanical pump able to operate at record temperatures of more than 1,400 degrees Celsius (1,673 Kelvin) can transfer high temperature liquids such as molten tin, enabling a new generation of energy conversion ...

Engineering Sep 13, 2017

New manufacturing process for SiC power devices opens market to more competition

Researchers from North Carolina State University are rolling out a new manufacturing process and chip design for silicon carbide (SiC) power devices, which can be used to more efficiently regulate power in technologies that ...

Materials Science Sep 5, 2017

Researchers develop new technology that could speed up commercialization of fuel cell vehicles

A team of engineers at the University of Delaware has developed a technology that could make fuel cells cheaper and more durable, a breakthrough that could speed up the commercialization of fuel cell vehicles.

Materials Science Sep 4, 2017

Researchers move closer to hydrogen-powered cars

Lehigh researchers have collaborated with colleagues in China and at three national laboratories in the United States to develop a gold-based catalyst that they believe could improve the performance and efficiency of fuel ...

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