In 1960, Dr. Frank Drake led the first Search for Extraterrestrial Intelligence (SETI) experiment at the National Radio Astronomy Observatory in Green Bank, West Virginia. In the more than sixty years that have since passed, ...
Astronomy
Dec 15, 2023
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81
A group of Chinese scientists has recently found key evidence for the existence of nanohertz gravitational waves, marking a new era in nanohertz gravitational wave research. The research was based on pulsar timing observations ...
Astronomy
Jun 28, 2023
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So far, astrophysicists have only detected gravitational waves from binary systems—the mergers of either two black holes, two neutron stars or one of each. Although astrophysicists theoretically should be able to detect ...
Astronomy
Jun 5, 2023
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149
Near-Infrared (NIR) vision detectors and cameras play an essential role in today's high-tech tools for imaging, sensing and display technologies. Goggle- or binocular-based NIR cameras are particularly important for night ...
Optics & Photonics
May 26, 2023
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6
Acoustic signals can be effectively used for monitoring glacial runoff and provide a cheaper and more accessible alternative to existing methods.
Earth Sciences
May 23, 2023
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46
The terahertz (THz) gap, a frequency band lying between the microwave and infrared regions of the electromagnetic spectrum where conventional technologies are inefficient in generating and detecting the radiation, is being ...
Optics & Photonics
Feb 7, 2023
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19
Using the European VLBI Network (EVN), an international team of astronomers has performed high-resolution imaging observations of a powerful and radio-loud high-redshift quasar known as J2102+6015. Results of the observational ...
Traditionally, active metasurface research has primarily focused on changing the dielectric constant and permeability of the substrate, which frequently results in resonance effect and ohmic loss. However, a reconfigurable ...
Optics & Photonics
Jan 5, 2023
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14
A research team led by Dr. Youn-kyoung Baek and Dr. Jung-goo Lee succeeded in developing the world's first technology to consecutively manufacture epsilon iron oxide that can absorb millimeter wave with a high coercive force ...
Analytical Chemistry
Dec 7, 2022
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16
Satellite navigation is headed closer to users. ESA's Navigation Directorate is planning an in-orbit demonstration with new navigation satellites that will orbit just a few hundred kilometers up in space, supplementing Europe's ...
Space Exploration
Oct 26, 2022
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