A mathematical understanding of project schedules
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.
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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New York state solar construction workers—whose numbers are expected to grow rapidly to meet climate goals—are transient, may not receive benefits and are subject to racial disparities in pay, finds a new report from ...
Economics & Business
Apr 29, 2024
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The total solar eclipse across North America on April 8, 2024, is a stunning and memorable event for everyone in its path. However, eclipses are not just valued for their visual impact, they are at the heart of cutting-edge ...
Astronomy
Apr 9, 2024
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On a sunny February day at Dallas' Frontiers of Flight Museum, a cluster of students lifted telescope equipment out of a bulky briefcase. A sticker on the case read: "stand back—we're going to science!"
Space Exploration
Mar 12, 2024
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When darkness sweeps across the landscape during a total solar eclipse, unusual things start happening. Fooled by the false dusk, birds stop singing, crickets start chirping, and bees return to their hives.
Planetary Sciences
Feb 12, 2024
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Between now and the mid-2030s, multiple space agencies hope to send crewed missions to the moon. of These plans all involve establishing bases around the moon's southern polar region, including the Artemis Base Camp and the ...
Space Exploration
Sep 14, 2023
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Scientists from Southwest Research Institute (SwRI) led a team in the unique Citizen Continental-America Telescopic Eclipse (CATE) experiment to image the Sun's outer atmosphere, the corona, during a short solar eclipse on ...
Astronomy
Apr 20, 2023
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To most travelers on Interstate 15 between Barstow and Las Vegas, the Mojave Desert's jagged Soda Mountains rise above a seemingly lifeless wasteland of hellish sand dunes, lava flows and vast flatlands.
Ecology
Feb 7, 2023
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Transitions are never easy. Sometimes they are underway, and we are unaware of them. When New York City transitioned away from a manufacturing to a service economy, we lost a million people and 500,000 manufacturing jobs. ...
Environment
Jan 4, 2023
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The summer of 2022, which saw repeated heat waves, fires, and droughts in Europe and around the world, is confirmation that the effects of global warming are coming on stronger and faster than even the most pessimistic forecasts. ...
Economics & Business
Dec 21, 2022
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