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.
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.
Through field measurements of local gravity, local subterranean mass density variations comined with mathematical inversion can be mapped. Through field measurments and analysis we will develop this new technique and investigate its application to ground water mapping on Earth and subsurface structure studies on the Moon and Mars.
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.
Underground carbon sequestration looks essential if the world is going to keep global warming well 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.
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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