Paper-based diagnostic tests are cheap, convenient and biodegradable. However, their use is limited by conventional dyes—which are not bright enough to show trace amounts of analyte, are prone to fading, and can be environmentally ...
Analytical Chemistry
Mar 29, 2019
0
118
Electronic devices such as transistors are getting smaller and will soon hit the limits of conventional performance based on electrical currents.
General Physics
Mar 4, 2019
0
783
Researchers at The University of Manchester in the UK, led by Dr. Artem Mishchenko, Prof Volodya Fal'ko and Prof Andre Geim, have discovered the quantum Hall effect in bulk graphite—a layered crystal consisting of stacked ...
Nanophysics
Feb 25, 2019
0
2233
Optical circuits are set to revolutionize the performance of many devices. Not only are they 10 to 100 times faster than electronic circuits, but they also consume a lot less power. Within these circuits, light waves are ...
Nanophysics
Feb 12, 2019
1
72
Electrons flowing across the boundary between two materials are the foundation of many key technologies, from flash memories to batteries and solar cells. Now researchers have directly observed and clocked these tiny cross-border ...
General Physics
Feb 11, 2019
0
722
Researchers have investigated wave-particle interactions between energetic electrons and chorus waves evolving in the space surrounding the Earth using the scientific satellite Arase and, simultaneously, transient auroral ...
General Physics
Feb 5, 2019
0
133
Like surfers catching ocean waves, particles within the hot, electrically charged state of matter known as plasma can ride waves that oscillate through the plasma during experiments to investigate the production of fusion ...
Plasma Physics
Jan 17, 2019
0
14
Electrons are not just little spheres, bouncing through a material like a rubber ball. The laws of quantum physics tell us that electrons behave like waves. In some materials, these electron waves can take on rather complicated ...
Quantum Physics
Dec 21, 2018
0
180
Fast magnetoacoustic wave trains are a promising seismological probe of the sun's corona, revealing the magnetic connectivity and providing an estimation of the absolute value of the coronal magnetic field. Low-frequency ...
Astronomy
Dec 4, 2018
0
20
Researchers have developed a new method to analyze metalloproteins with only a tiny liquid sample. This breakthrough was achieved by a research team led by Associate Professor Eiji Ohmichi and Tsubasa Okamoto at the Kobe ...
Condensed Matter
Nov 29, 2018
0
5
