One of the most important components of satellites that enable telecommunication is the waveguide, which is a metal tube for guiding radio waves. It is also one of the heaviest payloads satellites carry into orbit. As with ...
Nanomaterials
Feb 7, 2024
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136
In the realm of materials science, electromagnetic (EM) metamaterials have emerged as a revolutionary class of engineered composites capable of manipulating electromagnetic waves in ways never before possible. Unlike their ...
Condensed Matter
Feb 6, 2024
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Thermal radiation is electromagnetic radiation emitted by all objects with temperature and most representatively, there is the solar radiation spectrum that enters the Earth and causes the greenhouse effect.
Nanophysics
Feb 5, 2024
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22
Within the next 15 years, NASA, China, and SpaceX plan to send the first crewed missions to Mars. In all three cases, these missions are meant to culminate in the creation of surface habitats that will allow for many returns ...
Space Exploration
Jan 31, 2024
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48
Solar flares occur when magnetic energy builds up in the sun's atmosphere and is released as electromagnetic radiation. Lasting anywhere from a few minutes to a few hours, flares usually reach temperatures around 10 million ...
Astronomy
Jan 31, 2024
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21
A cutting-edge tool to view planets outside our solar system has passed two key tests ahead of its launch as part of the agency's Roman Space Telescope by 2027.
Astronomy
Jan 31, 2024
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8
This new NASA Hubble Space Telescope image shows a group of interacting galaxies known as LEDA 60847.
Astronomy
Jan 24, 2024
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29
Astronomers routinely explore the universe using different wavelengths of the electromagnetic spectrum from the familiar visible light to radio waves and infrared to gamma rays. There is a problem with studying the universe ...
Astronomy
Jan 15, 2024
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108
National University of Singapore (NUS) researchers have introduced an upconversion plasmonphore platform to enable precise control over the polarization of isotropic upconversion nanoparticles (UCNPs). This is achieved by ...
Nanophysics
Jan 10, 2024
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6
Light, as an electromagnetic field, has two essential components: amplitude and phase. However, optical detectors, usually relying on photon-to-electron conversion (such as charge-coupled device sensors and the human eye), ...
Optics & Photonics
Jan 3, 2024
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