Complex projects are made up of many activities, the duration of which vary according to a power law; this model can be used to predict overall project duration and delay.
Mathematics
May 15, 2024
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8
An international team of astronomers have performed photometric and spectroscopic observations of a Type Ibn supernova, known as SN 2023fyq. Results of the observations campaign, published May 7 on the pre-print server arXiv, ...
On Saturday evening before Mother's Day, Australians witnessed a rare celestial spectacle: a breathtaking display of aurora australis, also known as the southern lights.
Planetary Sciences
May 14, 2024
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27
The latest edition of Florida Atlantic University's "Florida Climate Resilience Survey," found that 90% of Floridians believe that climate change is happening. In comparison, a recent Yale University survey showed 72% of ...
Environment
May 14, 2024
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22
Philadelphia-area health systems are phasing out a common anesthesia gas that hangs in the atmosphere for 14 years. Desflurane is the most potent greenhouse gas found in hospitals, which are increasingly engaged in efforts ...
Environment
May 14, 2024
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7
Professors Yiqiang Wu and Caichao Wan, along with their team from Central South University of Forestry and Technology (CSUFT), have pioneered a transparent material derived from natural bamboo. This material features a three-layered ...
Materials Science
May 13, 2024
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20
The spectacular auroras that danced across the sky in many parts of the world over the weekend are fading, scientists said Monday, as the massive sunspot that caused them turns its ferocious gaze away from Earth.
Planetary Sciences
May 13, 2024
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39
Auroras lit up skies across swaths of the planet for the second night in a row on Saturday, after already dazzling Earthlings from the United States to Tasmania to the Bahamas the day before.
Planetary Sciences
May 12, 2024
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72
A powerful solar storm put on an amazing skyward light show across the globe overnight but has caused what appeared to be only minor disruptions to the electric power grid, communications and satellite positioning systems.
Planetary Sciences
May 11, 2024
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59
Astrobiology is the field of science that studies the origins, evolution, distribution, and future of life in the universe. In practice, this means sending robotic missions beyond Earth to analyze the atmospheres, surfaces, ...
Astrobiology
May 10, 2024
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34
