New research shows that sunspots and other active regions can change the overall solar emissions. The sunspots cause some emissions to dim and others to brighten; the timing of the changes also varies between different types ...
Astronomy
Oct 12, 2020
0
155
Anyone who's tried to swat a pesky mosquito knows how quickly the insects can evade a hand or fly swatter. The pests' compound eyes, which provide a wide field of view, are largely responsible for these lightning-fast actions. ...
Optics & Photonics
Sep 25, 2019
0
10
The Metropolitan Museum of Art (The Met) and The University of New Mexico (UNM) today announced the groundbreaking findings of a two-year study of the plasmonic properties of daguerreotypes.
Nanophysics
Jun 10, 2019
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392
Astronomers use stellar eclipses to study the atmosphere of accretion disks around compact stars. SRON-researchers observed this method on a low-mass X-ray binary. They find a thicker atmosphere than predicted and distinguish ...
Astronomy
Dec 12, 2018
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261
Inspired by the varying colors that gleam off of beetle shells, scientists have developed color-shifting nanoparticles that can change hue even after being embedded into a material. A report on the new, inexpensive technique, ...
Materials Science
Jun 14, 2017
0
10
The potential applications of three-dimensional (3D) digital holograms are enormous. In addition to arts and entertainment, various fields including biomedical imaging, scientific visualization, engineering design, and displays ...
Optics & Photonics
Jan 27, 2017
0
12
Colors are produced in a variety of ways. The best known colors are pigments. However, the very bright colors of the blue tarantula or peacock feathers do not result from pigments, but from nanostructures that cause the reflected ...
Nanomaterials
Nov 17, 2016
0
12
Conventional 3D displays, such as stereo displays with glasses and glass-free autostereoscopic displays, show two-dimensional images for each eye. Therefore, users experience incongruity and eyestrain owing to these pseudo-3D ...
Nanophysics
Apr 19, 2016
0
19
Discovery is unleashing the first videos for its virtual reality network, Discovery VR, a fledgling service that is testing the limits and capabilities of the immersive format.
Hi Tech & Innovation
Aug 27, 2015
0
19
Free of dyes but colorful: A team of American and Korean researchers is the first to develop non-iridescent, structural, full-spectrum pigments, whose color is independent of the viewing angle, for use in reflective displays. ...
Materials Science
Feb 20, 2014
1
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