Smartphone use found to differ between urban and rural areas
Smartphones have altered human behavior in complex ways but context can also alter smartphone use.
Nov 30, 2023
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Consumer & Gadgets
PNAS Nexus
PNAS Nexus is an open access scientific journal focused on the publication of high-quality original research from across the biological, medical, physical, social, and political sciences, and engineering and mathematics. Of particular interest are those articles with broad, interdisciplinary appeal.
Business
Estimating the environmental impacts of the global lithium-ion battery supply chain
Decarbonization of the global economy will require the production of a large number of batteries for electric vehicles (EVs). However, these batteries require energy and an array of minerals to produce and are not without ...
Nov 29, 2023
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Engineering
Solar panels vs planting forests: Which reduces climate change faster?
Photovoltaic fields outperform afforestation as a global climate-change mitigation strategy, according to a study published in the journal PNAS Nexus.
Nov 22, 2023
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12
Energy & Green Tech
Syngas photocatalysis made easy
A study published in the journal PNAS Nexus reports a photocatalyst to enable solar-driven syngas production from methane steam reforming—a possible bridge fuel to a post-carbon energy world.
Nov 22, 2023
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5
Energy & Green Tech
Energy transition: A super-model to guide policy makers
How can we ensure that an energy policy will achieve its objectives? To find out, scientists and public authorities can rely on computer models of varying degrees of accuracy. However, these models have a number of limitations, ...
Nov 6, 2023
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10
Consumer & Gadgets
Right-wing social media benefited from high-profile suspensions on mainstream platforms, says study
Following the ban of prominent political figures from Twitter, such as former US President Donald Trump, many alt-tech platforms—offering uncensored speech and popular with the far-right—have gained significant influence ...
Oct 26, 2023
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12
Robotics
Biomechanics research signals progress for musculoskeletal rehabilitation and walking robots
The findings of new biomechanics research could be used to develop more effective rehabilitation techniques for patients with musculoskeletal injuries.
Oct 10, 2023
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16
Engineering
Perspective: Building megaprojects on time and under-budget
A Perspective sheds light on why megaprojects take so long and cost so much—and what can be done to prevent the problem. Why did Boston's "Big Dig" building project go 19 billion dollars over budget and take nine years ...
Sep 6, 2023
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2
Energy & Green Tech
A solid battery electrolyte with high performance
A truly solid, highly conductive electrolyte has been designed, bringing solid-state lithium batteries within reach. Batteries store energy chemically and rely on the movement of charged ions between a cathode and an anode, ...
Sep 6, 2023
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1
Engineering
Boosting concrete's ability to serve as a natural 'carbon sink'
Damian Stefaniuk is a postdoc at the MIT Concrete Sustainability Hub (CSHub). He works with MIT professors Franz-Josef Ulm and Admir Masic of the MIT Department of Civil and Environmental Engineering (CEE) to investigate ...
Aug 11, 2023
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