Ever since the late 19th century, physicists have known about a counterintuitive property of some electric circuits called negative resistance. Typically, increasing the voltage in a circuit causes the electric current to ...
(Phys.org)—Discovering the ways in which many seemingly diverse phenomena are related is one of the overarching goals of scientific inquiry, since universality often allows an insight in one area to be extended to many ...
(Phys.org) —A complex system can, in principle, be observable – that is, the system's complete internal state can be reconstructed from its outputs, which would ostensibly involve describing in complete quantitative detail ...
All living organisms depend on enzymes—molecules that speed up biochemical reactions that are essential for life.
Materials Science
Aug 5, 2019
0
316
(Phys.org) —Fluorescence imaging is the most widely used method for analyzing the molecular composition of biological specimens. Target molecules, when they are present, can be "tagged" with a fluorescent label and made ...
Optics & Photonics
Sep 27, 2013
0
0
In all the centuries that humans have studied chemical reactions, just 36 basic types of reactions have been found. Now, thanks to the work of researchers at MIT and the University of Minnesota, a 37th type of reaction can ...
Materials Science
Sep 4, 2013
1
0
(Phys.org)—Since Edison's first bulb, heat has been a mostly undesirable byproduct of light. Now researchers at Rice University are turning light into heat at the point of need, on the nanoscale, to trigger biochemical ...
Nanomaterials
Dec 13, 2012
0
0
The structures of many protein molecules remain unsolved even after experts apply an extensive array of approaches. An international collaboration has led to a new, high-performance method that rapidly determined the structure ...
Cell & Microbiology
May 1, 2011
3
0
(PhysOrg.com) -- Good chemists are passive-aggressive -- they manipulate molecules without actually touching them.
Materials Science
Mar 10, 2011
0
0
The ability to detect diseases at an early stage or even predict their onset would be of tremendous benefit to doctors and patients alike. A research team led by Dr. Larysa Baraban at the Helmholtz-Zentrum Dresden-Rossendorf ...
Bio & Medicine
Feb 7, 2024
0
36
