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Search results for microelectromechanical systems

Nanomaterials Apr 16, 2021

Oxygen migration enables ferroelectricity on nanoscale

Hafnium-based thin films, with a thickness of only a few nanometres, exhibit an unconventional form of ferroelectricity. This allows the construction of nanometre-sized memories or logic devices. However, it was not clear ...

General Âé¶¹ÒùÔºics Apr 15, 2021

Photonic MEMS switches going commercial

One of the technical challenges the current data revolution faces is finding an efficient way to route the data. This task is usually performed by electronic switches, while the data itself is transferred using light confined ...

Optics & Photonics Jan 27, 2021

Optical scanner design for adaptive driving beam systems can lead to safer night driving

Car accidents are responsible for approximately a million deaths each year globally. Among the many causes, driving at night, when vision is most limited, leads to accidents with higher mortality rates than accidents during ...

Analytical Chemistry Dec 1, 2020

Detection of cancer from exhaled breath

The air we exhale contains information that can assist with the diagnosis of disease. Researchers at the Fraunhofer Project Hub for Microelectronic and Optical Systems for Biomedicine MEOS are now developing solutions designed ...

Bio & Medicine Oct 15, 2020

Symptoms all in your head—or in your gut? Maybe a little of both.

Anyone who has ever experienced "butterflies in the stomach" before giving a big presentation won't be surprised to learn there is an actual physical connection between their gut and their brain. Neuroscientists and medical ...

General Âé¶¹ÒùÔºics Oct 12, 2020

Direct visualization of electromagnetic wave dynamics by laser-free ultrafast electron microscopy

Femtosecond lasers can be integrated with electron microscopes to directly image transient structures and morphologies in materials in real time and space. In a new report, Xuewen Fu and a team of scientists in condensed ...

Materials Science Aug 28, 2020

Low-cost, fly footpad-like adhesive structure capable of repeated attachment/detachment

NIMS, HUE and HUSM have developed a method of easily and cheaply producing an adhesive structure capable of repeated attachment and detachment. The design of this structure was inspired by the adhesive spatula-shaped hairs ...

Astronomy Jul 29, 2020

Miniature telescope demonstration focuses on sharpening view of distant objects in space

A recently deployed DARPA CubeSat seeks to demonstrate technology that could improve imaging of distant objects in space and allow powerful space telescopes to fit into small satellites. DARPA's Deformable Mirror (DeMi) CubeSat ...

Optics & Photonics Jul 15, 2020

Shaking light with sound

Piezoelectric materials can convert electrical voltage to mechanical displacement and vice versa. They are ubiquitous in modern wireless communication networks such as in cellphones. Today, piezoelectric devices, including ...

Nanomaterials Jun 23, 2020

Researchers cut nanometer-sized patterns into 2-D materials

EPFL researchers have developed a high-precision technology that enables them to carve nanometric patterns into two-dimensional materials.

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