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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27
Aspherical components in optical systems can increase the free design variables without introducing new aberrations. That brings improved imaging quality and reduced size and weight. Aspheric components are widely used in ...
Optics & Photonics
Oct 26, 2022
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99
Clean, choppy, or cranking, when the surf's up, so too are the surfers. But even the most avid surfer would steer clear of the waves when a shark is about… or would they?
Plants & Animals
Oct 26, 2022
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3
For students learning a second or foreign language, text is often simplified to ensure that they can comprehend it well enough to understand the core message. Usually, complicated text in a foreign language is simplified ...
Education
Oct 26, 2022
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1
Mycologists tend to base their evolutionary assumptions about all fungi on the higher fungi such as mushrooms, bread molds and yeasts. But that is a mistake, according to a major recent study published in the Proceedings ...
Evolution
Oct 26, 2022
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88
Most people probably think of fruit flies as just an annoyance around the fruit bowl. Now, researchers from Japan have discovered that these tiny flies could help to answer some big questions about ecology and evolution.
Plants & Animals
Oct 26, 2022
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7
Writing in the journal BioScience, an international coalition led by Oregon State University researchers says in a report published today that the Earth's vital signs have reached "code red" and that "humanity is unequivocally ...
Earth Sciences
Oct 26, 2022
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298
Researchers from Lehigh University, University of Hong Kong, and Shanghai Jiao Tong University published a new paper in the Journal of Marketing that proposes experience cocreation as a novel strategy to transform shared ...
Social Sciences
Oct 26, 2022
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2
This complex region of craters and fractures in the Terra Sirenum region highlights the varied history of Mars. The image above was taken by ESA's Mars Express on 5 April 2022.
Planetary Sciences
Oct 26, 2022
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7
The three main greenhouse gases hit record high levels in the atmosphere last year, the U.N. weather agency said Wednesday, calling it an "ominous" sign as war in Ukraine, rising costs of food and fuel, and other worries ...
Environment
Oct 26, 2022
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1
