Photophoretic levitation of engineered aerosols for geoengineering
Proc Natl Acad Sci U S A. 2010 Sep 21; 107(38): 16428–16431. | David W. Keith1
Photophoretic levitation of engineered aerosols for geoengineering
The use of electrostatic or magnetic materials enables a class of photophoretic forces not found in nature. Photophoretic levitation could loft particles above the stratosphere, reducing their capacity to interfere with ozone chemistry; and, by increasing particle lifetimes, it would reduce the need for continual replenishment of the aerosol.
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