Perfect absorption arises from the strong interaction of valence electrons with light in a conducting material. Optical metamaterial is an effective approach to exploit the superior photon capture capability. Thus, the perfect ...
Optics & Photonics
Apr 1, 2024
0
24
Humans have long dreamed of setting foot on Mars or beyond, and the advances by companies like SpaceX and Blue Origin means perhaps the dream could be closer than ever to becoming reality. But as it stands now, sending astronauts ...
Space Exploration
May 6, 2022
1
177
A radiotherapy technique which 'paints' tumors by targeting them precisely, and avoiding healthy tissue, has been devised in research led by the University of Strathclyde.
General Physics
Feb 23, 2021
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31
For years, scientists have dismissed terahertz radiation. Why? There were few ways to control this line-of-sight, nonionizing radiation. However, they saw its potential. For example, it could be used for short-range, high-bandwidth ...
Optics & Photonics
Sep 6, 2018
0
3
Researchers from Berlin Joint EPR Lab at Helmholtz-Zentrum Berlin (HZB) and University of Washington (UW) derived a new set of equations that allows for calculating electron paramagnetic resonance (EPR) transition probabilities ...
General Physics
Jan 7, 2015
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28
A researcher at the Public University of Navarre (UPNA) has developed nanostructures that assist in water decontamination. The nanostructures are coated in titanium oxide to which nitrogen has been added. This allows sunlight, ...
Nanomaterials
May 12, 2014
0
0
(Phys.org) —Magnetars – the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation - are some of the most extreme objects known in the Universe. A major campaign using NASA's Chandra ...
Astronomy
May 23, 2013
6
0
A small piece of paper sticks to an electrically charged plastic ruler. The principle of this simple classroom physics experiment is applied at the microscopic scale by so-called optical tweezers to get the likes of polystyrene ...
General Physics
May 8, 2013
0
0
(PhysOrg.com) -- Low-level radiation in Fukushima Prefecture appears to have had immediate effects on bird populations, and to a greater degree than was expected from a related analysis of Chernobyl, an international team ...
Environment
Feb 9, 2012
0
0
