Gallium nitride (GaN) semiconductors can now be grown without ammonia, a toxic chemical that needs a sophisticated detoxifying system before it can be released into the atmosphere. The new technique is not only more environmentally ...
Materials Science
Jul 31, 2024
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6
The Deep Space Network's Goldstone planetary radar had a busy few days observing asteroids 2024 MK and 2011 UL21 as they safely passed Earth.
Planetary Sciences
Jul 3, 2024
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40
Waves pick up information from their environment through which they propagate. A theory of information carried by waves has now been developed at TU Wien—with astonishing results that can be utilized for technical applications.
Optics & Photonics
Jun 12, 2024
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203
This drone took to the sky over Finland to assess the suitability of one particular terrestrial technology for space: the radar systems found in many of today's cars, responsible for automated cruise control and other safe ...
Planetary Sciences
Jun 12, 2024
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20
Finding water on distant planets and moons in our solar system is a challenge, especially when the instrument is thousands of kilometers away from the surface, but scientists presenting at the European Geosciences Union General ...
Astrobiology
Apr 19, 2024
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Acoustic recordings of a colony of little auks reveal their nocturnal activities and offer valuable monitoring means for avian biology in the Arctic.
Plants & Animals
Mar 15, 2024
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77
A pair of radar experts at Swedish Defense Research working with a meteorologist from the Swedish Meteorological and Hydrological Institute has found evidence suggesting that the reason the Ukrainian military was able to ...
Research testing new technology to more effectively locate polar bear dens across the Arctic is showing promising results. Researchers from Simon Fraser University and Brigham Young University (BYU), collaborating with Polar ...
Ecology
Oct 18, 2023
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25
Solar eclipses can have a noticeable impact on the structure and dynamics of Earth's upper atmosphere—the ionosphere. This is primarily due to the sudden reduction in solar radiation reaching the Earth's atmosphere during ...
Planetary Sciences
Sep 26, 2023
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0
The smallest radar to fly in space has been delivered to ESA for integration aboard the miniature Juventas CubeSat, part of ESA's Hera mission for planetary defense. The radar will perform the first radar imaging of an asteroid, ...
Space Exploration
Aug 10, 2023
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