A self-propagating chemical reaction can transform a liquid monomer into a solid polymer, and the interaction between the propagating front and the reaction's natural convection leads to patterns in the resulting solid polymeric ...
Polymers
Mar 30, 2023
0
95
Commercial laser printers typically produce pin-sharp images with spots of ink about 20 micrometers apart, resulting in a resolution of 1,200 dots per inch (dpi). By shrinking the separation to just 250 nanometers—roughly ...
Nanophysics
Apr 11, 2013
0
0
Harvard physicists have developed a novel technique that can detect molecular variants in chemical mixtures – greatly simplifying a process that is one of the most important, though time-consuming, processes in analytical ...
Analytical Chemistry
May 22, 2013
0
0
The age of 3D printing, when every object so created can be personalized, will increase the need for tags to keep track of everything. Happily, the same 3D printing process used to produce an object can simultaneously generate ...
General Physics
Jul 22, 2013
0
0
Researchers at Swinburne University of Technology have discovered a new way to generate bright beams of coherent extreme UV radiation using a table-top setup that could be used to produce high resolution images of tiny structures ...
Nanophysics
May 25, 2015
0
1217
Scientists at the University of Nottingham have developed an ultrasonic imaging system, which can be deployed on the tip of a hair-thin optical fiber, and will be insertable into the human body to visualize cell abnormalities ...
Optics & Photonics
Apr 30, 2021
0
73
(Phys.org)—Scientists working at SLAC's Linac Coherent Light Source have captured the first single-shot X-ray microscope image of a magnetic nanostructure and shown that it can be done without damaging the material.
General Physics
Aug 31, 2012
0
0
All through his childhood, Ramesh Raskar wished fervently for eyes in the back of his head. "I had the notion that the world did not exist if I wasn't looking at it, so I would constantly turn around to see if it was there ...
Engineering
Oct 7, 2014
1
0
Nuclear magnetic resonance (NMR) is one of the best tools for gaining insight into the structure and dynamics of molecules because nuclei in atoms within molecules will behave differently in a variety of chemical environments. ...
General Physics
Nov 30, 2010
0
0
In a significant breakthrough, scientists at the Tata Institute of Fundamental Research (TIFR), Mumbai, have devised a high-power radiation source in the terahertz (THz) region of the electromagnetic spectrum. This study, ...
Optics & Photonics
Oct 30, 2017
0
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