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Double Emulsions: Droplets inside Droplets.

D.A. Weitz

 

 
 
 Chemical and Engineering News reports on a recent paper in Science (2005, 308, 537) authored by David Weitz and his colleagues: "A new microfluidics-based device made by physicist David A. Weitz and colleagues at Harvard University and Unilever Corp. makes precisely controlled double emulsions in a single step (Science 2005, 308, 537). Double emulsions--droplets inside droplets--could be useful for encapsulating products such as drugs, cosmetics, or food additives." For complete details go here. MSNBC has created a related story that features a video of the bubbles in action. To read the story and to watch the movie go here (MSNBC) or here (Harvard Gazette). Researcher Darren Link says there's a poetry to the physics behind the technique. "I think it's art," he says.

Last Modified August 22, 2005