Search results for strained silicon

Optics & Photonics Apr 13, 2018

One string to rule them all

Strain can be used to engineer unusual properties at the nanoscale. Researchers in Tobias Kippenberg's lab at EPFL have harnessed this effect to engineer an extremely low-loss nanostring. When plucked, the string vibrates ...

Materials Science Apr 6, 2018

Scientists breed bacteria that make tiny high-energy carbon rings

Caltech scientists have created a strain of bacteria that can make small but energy-packed carbon rings that are useful starting materials for creating other chemicals and materials. These rings, which are otherwise particularly ...

Materials Science Apr 5, 2018

Light 'relaxes' crystal to boost solar cell efficiency

Some materials are like people. Let them relax in the sun for a little while and they perform a lot better.

Nanomaterials Apr 4, 2018

Self-healing metal oxides could protect against corrosion

Researchers have found that a solid oxide protective coating for metals can, when applied in sufficiently thin layers, deform as if it were a liquid, filling any cracks and gaps as they form.

Security Mar 31, 2018

Russian sent to US on charges he hacked Dropbox, others

A Russian man arrested over a year ago in the Czech Republic made his first appearance Friday in a U.S. courtroom, denying that he hacked computers at LinkedIn, Dropbox and other U.S. companies, compromising the personal ...

Security Mar 30, 2018

Czechs extradite alleged Russian hacker to US

The Czech Republic extradited a Russian man to the U.S. to face charges of hacking computers at LinkedIn, Dropbox and other American companies, an official said Friday.

Cell & Microbiology Mar 19, 2018

Making intricate images with bacterial communities

Working with light and genetically engineered bacteria, researchers from Stanford University are able to shape the growth of bacterial communities. From polka dots to stripes to circuits, they can render intricate designs ...

Nanomaterials Feb 12, 2018

A method to reveal stresses that alter properties of a material

Stresses and strains can drastically alter the properties of a material, and TU Wien has now developed a method to make these internal deformations visible.

Other Feb 2, 2018

'Call me baby': Talking sex dolls fill a void in China

With China facing a massive gender gap and a greying population, a company wants to hook up lonely men and retirees with a new kind of companion: "Smart" sex dolls that can talk, play music and turn on dishwashers.

Nanomaterials Jan 22, 2018

Researchers produce 2-D sheets of tin atoms

The merits of graphene, a 2-D sheet of carbon atoms, are well established. In its wake have followed a host of post-graphene materials—structural analogues of graphene made of elements such as silicon or germanium.

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