In the wake of the COVID-19 pandemic, the U.S. Centers for Disease Control and Prevention recommends that people wear masks in public. Because N95 and surgical masks are scarce and should be reserved for health care workers, ...
Bio & Medicine
Apr 24, 2020
35
11757
Researchers at Sandia National Laboratories have confirmed the particle-by-particle mechanism by which lithium ions move in and out of electrodes made of lithium iron phosphate (LiFePO4, or LFP), findings that could lead ...
Nanophysics
Jun 11, 2013
0
0
Silver has been used for centuries as an antimicrobial to kill harmful bacteria. Ancient civilizations applied the metal to open wounds. Ship captains tossed silver coins into storage barrels to keep drinking water fresh.
Cell & Microbiology
Oct 3, 2018
0
16
Forming metal into the shapes needed for various purposes can be done in many ways, including casting, machining, rolling, and forging. These processes affect the sizes and shapes of the tiny crystalline grains that make ...
Analytical Chemistry
May 20, 2022
0
1056
Scientists lobbed a bombshell into the world of sub-atomic theory on Wednesday by reporting that a primary building block of the visible Universe, the proton, is smaller than previously thought.
General Physics
Jul 7, 2010
39
1
When NASA's OSIRIS-REx spacecraft collected samples from asteroid Bennu's surface in 2020, forces measured during the interaction provided scientists with a direct test of the poorly understood near-subsurface physical properties ...
Planetary Sciences
Jul 7, 2022
0
72
Cutting boards are handy tools found in most homes and restaurant kitchens. But a small-scale study in Environmental Science & Technology suggests that they are an overlooked source of micrometer-sized particles.
Environment
Jun 1, 2023
0
761
Martian sunsets are uniquely moody, but NASA's Curiosity rover captured one last month that stands out. As the sun descended over the horizon on Feb. 2, rays of light illuminated a bank of clouds. These "sun rays" are also ...
Space Exploration
Mar 6, 2023
0
299
The development of bimetallic nanoparticles (i.e., tiny particles composed of two different metals that exhibit several new and improved properties) represents a novel area of research with a wide range of potential applications. ...
Nanomaterials
Apr 24, 2020
0
1199
A sustainable route to green hydrogen production is becoming possible through the use of efficient electrocatalysts in research by Texas A&M University chemical engineering professor Dr. Abdoulaye Djire.
Materials Science
Oct 14, 2023
1
27
