In conventional sensing methods, noise is always a problem, especially in systems that are meant to detect changes in their environment that are hardly bigger or even smaller than the noise in the system. Encountering this ...
Optics & Photonics
Feb 14, 2020
0
1327
An international team headed up by Alexander Holleitner and Jonathan Finley, physicists at the Technical University of Munich (TUM), has succeeded in placing light sources in atomically thin material layers with an accuracy ...
Optics & Photonics
Aug 1, 2019
1
472
A hair-sized probe that can measure key indicators of tissue damage deep in the lung has been developed by scientists.
Engineering
Jun 17, 2019
0
382
Hydrogen is a clean and renewable energy carrier that can power vehicles, with water as the only emission. Unfortunately, hydrogen gas is highly flammable when mixed with air, so very efficient and effective sensors are needed. ...
Nanomaterials
Apr 11, 2019
2
402
A new, versatile plastic-composite sensor can detect tiny amounts of water. The 3-D printable material, developed by a Spanish-Israeli team of scientists, is cheap, flexible and non-toxic and changes its colour from purple ...
Materials Science
Mar 5, 2019
0
16
A miniature prison for photons—that is the nanocavity discovered by scientists of the University of Twente. It is an extremely small cavity surrounded by an optical crystal, a structure of pores etched in two perpendicular ...
Optics & Photonics
Mar 1, 2019
0
164
What if a sensor sensing a thing could be part of the thing itself? Rice University engineers believe they have a two-dimensional solution to do just that.
Nanomaterials
Dec 6, 2018
0
70
Photonic nanostructures can be used for many applications besides solar cells—for example, optical sensors for cancer markers or other biomolecules. A team at HZB using computer simulations and machine learning has now ...
Nanophysics
Oct 1, 2018
0
48
Physicists developed a way to determine the electronic properties of thin gold films after they interact with light. Nature Communications published the new method, which adds to the understanding of the fundamental laws ...
Optics & Photonics
Jun 5, 2018
1
217
A defunct Chinese space station, Tiangong-1, is expected to fall to Earth any day now—on March 31, give or take a few days. When it does, it will be the largest manmade object to re-enter Earth's atmosphere in a decade.
Space Exploration
Mar 23, 2018
0
646
