Perovskite solar cells are the rising star in photovoltaics. They absorb light across almost all visible wavelengths, they have exceptional power conversion efficiencies exceeding 20% in the lab, and they are relatively easy ...
Materials Science
Oct 14, 2015
0
37
(PhysOrg.com) -- One of the most powerful and ambitious astronomical satellites designed to provide the best view yet of the Universe at far-infrared and sub-millimeter wavelengths is living up to its illustrious name, according ...
Astronomy
May 16, 2011
0
0
This spooky sight, imaged by the NASA/ESA Hubble Space Telescope, resembles fog lit by a streetlamp swirling around a curiously shaped hole – and there is some truth in that. While the 'fog' is dust and gas lit up by the ...
Astronomy
Oct 30, 2017
0
15
Polarimetric imaging can uncover features invisible to human eyes and conventional imaging sensors, and it is becoming an ever more essential technique in modern society. Conventional polarimetric imaging systems require ...
Optics & Photonics
Sep 18, 2023
0
43
(Phys.org)—The European Space Agency's Herschel Space Observatory has produced an intricate view of the remains of a star that died in a stellar explosion a millennium ago. This new view provides further proof that the ...
Astronomy
Dec 18, 2012
1
0
There are three types of cone cells in the retina that are called L-cones (sensitive to red light), M-cones (sensitive to green light), and S-cones (sensitive to blue light). The coordinated response of cone cells to visible ...
Optics & Photonics
May 13, 2022
0
6
Researchers have developed a new microscopy technique that can acquire 3-D super-resolution images of subcellular structures from about 100 microns deep inside biological tissue, including the brain. By giving scientists ...
Optics & Photonics
Mar 25, 2021
0
25
Ten years ago, on Feb. 19, 2002, the Thermal Emission Imaging System (THEMIS), a multi-band camera on NASA's Mars Odyssey orbiter, began scientific operations at the Red Planet. Since then the camera has circled Mars nearly ...
Space Exploration
Mar 1, 2012
0
0
Infrared radiation, which is invisible yet highly utilizable, is used in various fields and for various purposes, such as for coronavirus detection (i.e. through thermal imaging cameras and biosensors). A Korean research ...
Materials Science
Apr 8, 2020
0
10
(Phys.org) —It took 10 years to create this image of our changing Sun. Taken from space by the Solar and Heliospheric Observatory (SOHO), it shows a dramatically different picture than the one we receive on Earth.
Space Exploration
Apr 1, 2014
0
0
