Radionuclides such as 236U and 239Pu were introduced into the environment by the atmospheric nuclear weapon tests and an be readily measured by accelerator mass spectrometry.
Underground carbon sequestration looks to be essential if the world is to keep global warming below 2oC. This project will explore the physics underlying migration of injected carbon dioxide, to better understand when it will dissolve and sink to the deep earth before there is any chance of it migrating upwards.
Nanobubbles are simply nanosized bubbles. What makes them interesting? Theory tells us they should dissolve in less than a second but they are in some cases stable for days.
The goal of this research is to study high pressure non-equilibrium plasma discharges in chemically reactive systems with applications to space, waste treatment and material science.
We measure the basic forces that operate between molecules that are manifest at interfaces. These forces control the stability of colloidal systems from blood to toothpaste. We use very sensitive techniques that are able to measure tiny forces with sub nanometer distance resolution. Understanding these forces enables us to predict how a huge variety of colloidal systems will behave.
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