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Researchers slowly pull apart tiny bits of a titanium oxide mineral called rutile. The red dots near the top show the starting point. As the bottom half is pulled down, the top half stays attached by van der Waals forces -- until, that is, the pull becomes too great. The tips are about a thousand times skinnier than a human hair. The scientists used an atomic force microscope to do the pulling and viewed the event within an environmental transmission electron microscope under life-like conditions.
Credit: Xin Zhang, Yang He, Maria L. Sushko, Jia Liu, Langli Luo, James J. De Yoreo, Scott X. Mao, Chongmin Wang, and Kevin M. Rosso.
Scientists unveil least costly carbon capture system to date
The need for technology that can capture, remove and repurpose carbon dioxide grows stronger with every CO2 molecule that reaches Earth’s atmosphere. To meet that need, scientists at the Department of Energy’s Pacific Northwest National Laboratory have cleared a new milestone in their effor ... more
Fertilizing the ocean to store carbon dioxide
The urgent need to remove excess carbon dioxide from Earth’s environment could include enlisting some of our planet’s smallest inhabitants, according to an international research team led by Michael Hochella of the Department of Energy’s Pacific Northwest National Laboratory. Hochella and h ... more
Simple process extracts valuable magnesium salt from seawater
Since ancient times, humans have extracted salts, like table salt, from the ocean. While table salt is the easiest to obtain, seawater is a rich source of different minerals, and researchers are exploring which ones they can pull from the ocean. One such mineral, magnesium, is abundant in t ... more
Pacific Northwest National Laboratory
The Pacific Northwest National Laboratory is dedicated to addressing the most intractable problems in energy, the environment and national security. Located in Richland, Washington, PNNL is one among ten U.S. Department of Energy (DOE) national laboratories managed by DOE's Office of Science. more
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