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
0
8
Researchers mapping tropical forests have found many more roads than declared by official sources, which is raising fears of a huge increase in environmental degradation as the pace of road building increases.
Ecology
Apr 11, 2024
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2
We all know the bleak and desolate scene from a thousand crime dramas—the abandoned building, the blood-stained gravel, the flagging tape that creates a stark cordon around the evidence as it flaps in the chill wind under ...
Polymers
Oct 19, 2023
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12
Colorado's air regulators have approved a new rule that will require the state's 18 largest manufacturers to reduce their greenhouse gas emissions, but the plan is receiving pointed criticism from environmental advocates ...
Environment
Sep 26, 2023
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6
Since 1996, Duke Engineering Professor Adrian Bejan has demonstrated numerous natural phenomena that validate his constructal theory in practice.
General Physics
Feb 7, 2023
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201
The Dutch government is lowering the top speed limit on highways in a bid to put the brakes on emissions of the pollutant nitrogen oxide.
Environment
Nov 13, 2019
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8
A scientist at Duke University says the natural evolution of social organizations into larger and more complex communities that exhibit distinct hierarchies can be predicted from the same law of physics that gives rise to ...
General Physics
Jun 20, 2018
8
749
The 2016 election year highlighted the growing problem of wealth inequality and finding ways to help the people who are falling behind. This human urge of compassion isn't new, but the big question that remains to be addressed ...
General Physics
Mar 28, 2017
24
1353
A North Dakota state inspection of an oil pipeline site has found no sign of the Native American artifacts or human remains that an American Indian Tribe says are present, the state's chief archaeologist said in a draft memo.
Archaeology
Sep 27, 2016
0
12
The construction of a $1.4 billion telescope on land considered sacred by some Native Hawaiians will resume Wednesday, according to the nonprofit company behind the project.
Space Exploration
Jun 21, 2015
0
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