Electricity is a key ingredient in living bodies. We know that voltage differences are important in biological systems; they drive the beating of the heart and allow neurons to communicate with one another. But for decades, ...
Bio & Medicine
Dec 24, 2020
1
1836
Life without electricity is something that is no longer imaginable. Whether it be a smartphone, hair-dryer or a ceiling lamp—the technical accomplishments we hold dear all require electricity. Although every child at school ...
Education
Dec 18, 2020
8
3
The mystery ailment that has afflicted U.S. embassy staff and CIA officers off and on over the last four years in Cuba, China, Russia and other countries appears to have been caused by high-power microwaves, according to ...
Other
Dec 11, 2020
19
3342
Magnetic materials are ubiquitous in modern society, present in nearly all the technological devices we use every day. In particular, personal electronics like smartphones/watches, tablets, and desktop computers all rely ...
Quantum Physics
Nov 18, 2020
0
59
Secure telecommunications networks and rapid information processing make much of modern life possible. To provide more secure, faster, and higher-performance information sharing than is currently possible, scientists and ...
Quantum Physics
Oct 8, 2020
0
231
Electrochemistry is playing an increasingly important role: Whether it is fuel cells, electrolysis or chemical energy storage, chemical reactions controlled by electric current are used. The decisive factor in all these applications ...
Materials Science
Sep 23, 2020
0
32
N95 masks are a critical part of the personal protective equipment used by front-line health care workers. These masks achieve 95% efficiency at filtering out tiny 0.3-micron particles, while maintaining reasonable breathability, ...
Soft Matter
Sep 8, 2020
0
298
Ultra-low voltage electricity is effective at killing bacteria because it causes membranes that surround bacteria to leak, according to a new study by University of Arkansas researchers. The research advances work to fight ...
Cell & Microbiology
Aug 17, 2020
0
9
NUS physicists have demonstrated the control of magnetism in a magnetic semiconductor via electrical means, paving the way for novel spintronic devices.
General Physics
Aug 6, 2020
0
41
Atomic force microscopy (AFM) brought the atomic scale imaging resolution of scanning tunneling microscopy, a technique that won the Nobel Prize in Physics, to non-conducting surfaces. However, limitations remain when trying ...
Condensed Matter
Aug 5, 2020
0
41
