Engineers at the University of California San Diego have developed a super-hydrophobic surface that can be used to generate electrical voltage. When salt water flows over this specially patterned surface, it can produce at ...
Materials Science
Oct 3, 2018
1
490
Invigorating the idea of computers based on fluids instead of silicon, researchers at the National Institute of Standards and Technology (NIST) have shown how computational logic operations could be performed in a liquid ...
Nanomaterials
Jun 29, 2018
1
388
Piezoelectrics are materials that change their shape when an electric field is applied, with wide-ranging applications including printing ink onto paper and precisely moving the tip of a scanning tunnelling microscope. Currently, ...
Materials Science
May 7, 2018
0
191
Accurately measuring electric fields is important in a variety of applications, such as weather forecasting, process control on industrial machinery, or ensuring the safety of people working on high-voltage power lines. Yet ...
Engineering
Jan 25, 2018
0
638
Since lasers were first developed, the demand for more adaptable lasers has only increased. Chiral nematic liquid crystals (CLCs) are an emerging class of lasing devices that are poised to shape how lasers are used in the ...
Optics & Photonics
Jan 24, 2018
0
37
In today's "internet of things," devices connect primarily over short ranges at high speeds, an environment in which surface acoustic wave (SAW) devices have shown promise for years, resulting in the shrinking size of your ...
General Physics
Dec 20, 2017
0
81
An international group of scientists from Leiden, Delft, Bern and Chuo has developed the first switchable molecular diode, which can be turned on and off through humidity. It also functions as a humidity sensor at the nanoscale. ...
Nanophysics
Dec 4, 2017
0
39
A zinc-based battery that delivers a high voltage and substantial energy capacity could be set to rival conventional lithium-ion batteries, A*STAR researchers have found.
Nanophysics
Jul 26, 2017
2
58
Virtually any modern information-capture device—such as a camera, audio recorder, or telephone—has an analog-to-digital converter in it, a circuit that converts the fluctuating voltages of analog signals into strings ...
Engineering
Jul 17, 2017
0
153
Sensitive sensors must be isolated from their environment as much as possible to avoid disturbances. Scientists at ETH Zurich have now demonstrated how to remove from and add elementary charges to a nanosphere that can be ...
Nanophysics
Jun 28, 2017
1
229
