A new type of imaging that does not require a lens and uses reconfigurable particle-based masks to take multiple shots of an object is being developed by researchers at Penn State. The electric-field directed self-assembling ...
Nanophysics
Sep 23, 2020
0
29
Lieutenant Silva's face is grim as he watches his firefighters try—and fail—to control one of the thousands of wildfires ravaging Brazil's Pantanal, the world's biggest tropical wetlands.
Environment
Sep 16, 2020
0
58
Face masks have become an important tool in fighting against the COVID-19 pandemic. However, improper use or disposal of masks may lead to "secondary transmission". A research team from City University of Hong Kong (CityU) ...
Bio & Medicine
Sep 10, 2020
0
132
When the day comes that the COVID-19 pandemic recedes, one of things that will remain with us is witnessing our fellow humans' irrational and sometimes extreme behavior—and perhaps our own as well. These included toilet-paper ...
Social Sciences
Sep 9, 2020
1
7
N95 masks are a critical part of the personal protective equipment used by front-line health care workers. These masks achieve 95% efficiency at filtering out tiny 0.3-micron particles, while maintaining reasonable breathability, ...
Soft Matter
Sep 8, 2020
0
298
The strength of connections, be it human connections within cities, or collaborative networks between cities, has been a key factor in determining how effectively the world's biggest cities have been able to navigate the ...
Social Sciences
Sep 4, 2020
0
104
If the United States Centers for Disease Control and Prevention (CDC) guidelines aren't enough to convince you that face shields alone shouldn't be used to stop the spread of COVID-19, then maybe a new visualization study ...
General Physics
Sep 1, 2020
9
3357
Months into the COVID-19 pandemic, wearing a mask while out in public has become the recommended practice. However, many still question the effectiveness of this.
General Physics
Aug 25, 2020
8
3135
As governments around the world debate the conditions for reopening schools, some regions have mandated that teachers wear masks when school resumes. Concerns have been expressed about loss of learning opportunities for linguistically ...
Education
Aug 24, 2020
2
15
If I dare to give the coronavirus credit for anything, I would say it has made people more conscious of the air they breathe.
Environment
Aug 21, 2020
0
46
