Search results for kelvin model

Materials Science Aug 21, 2020

Researchers see crack formation in 3-D-printed tungsten in real time

Boasting the highest melting and boiling points of all known elements, tungsten has become a popular choice for applications involving extreme temperatures, including lightbulb filaments, arc welding, radiation shielding ...

Materials Science Jun 3, 2020

A new strategy for the optimal electroreduction of CO2 to high-value products

A KAIST research team presented three novel approaches for modulating local carbon dioxide (CO2) concentration in gas-diffusion electrode (GDE)-based flow electrolyzers. Their study also empirically demonstrated that providing ...

Cell & Microbiology May 28, 2020

Biophysicists reveal how optogenetic tool works

An international research team has for the first time obtained the structure of the light-sensitive sodium-pumping KR2 protein in its active state. The discovery provides a description of the mechanism behind the light-driven ...

General Physics Mar 7, 2020

Machine learning illuminates material's hidden order

Extreme temperature can do strange things to metals. In severe heat, iron ceases to be magnetic. In devastating cold, lead becomes a superconductor.

Nanophysics Dec 4, 2019

Freeze frame: Scientists capture atomic-scale snapshots of artificial proteins

Protein-like molecules called "polypeptoids" (or "peptoids," for short) have great promise as precision building blocks for creating a variety of designer nanomaterials, like flexible nanosheets—ultrathin, atomic-scale ...

Nanomaterials Oct 28, 2019

An amazingly simple recipe for nanometer-sized corundum

Almost everyone uses nanometer-sized alumina these days—this mineral, among others, constitutes the skeleton of modern catalytic converters in cars. Until now, the practical production of nanocorundum with a sufficiently ...

Materials Science Sep 4, 2019

Unexpected new material has been quenched to ambient pressure

Scientists from the National University of Science and Technology MISIS together with colleagues from Germany and Sweden achieved a result that seemed impossible. The researchers managed to create at ultra-high pressures ...

Nanophysics Aug 22, 2019

Ultrahigh thermal isolation across heterogeneously layered two-dimensional materials

Heterogeneous nanomaterials can now facilitate advanced electronics and photonics applications, but such progress is challenging for thermal applications due to the comparatively shorter wavelengths of heat carriers (known ...

Polymers Jul 10, 2019

How to capture waste heat energy with improved polymers

By one official estimate, American manufacturing, transportation, residential and commercial consumers use only about 40 percent of the energy they draw on, wasting 60 percent. Very often, this wasted energy escapes as heat, ...

Optics & Photonics May 21, 2019

New lidar instruments peer skyward for clues on weather and climate

Researchers have developed a set of diode-based lidar instruments that could help fill important gaps in meteorological observations and fuel a leap in understanding, modeling and predicting weather and climate. The instruments ...

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