Researchers Help Improve Air Quality
06-07-10
John H. Seinfeld, Louis E. Nohl Professor and Professor of Chemical Engineering, is leading a group of researchers who, for the past month, have been zigzagging across the Los Angeles basin. Using an orange and white DeHavilland Twin Otter aircraft packed with instruments, the researchers have been sampling the air, measuring particles and pollutants to help policymakers improve air quality and dampen the impacts of climate change. [Caltech Press Release]
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John Seinfeld
Molecules that Behave Like Robots
05-12-10
Erik Winfree, Associate Professor of Computer Science, Computation and Neural Systems, and Bioengineering, and colleagues from Columbia University, Arizona State University, and the University of Michigan have programmed an autonomous molecular "robot" made out of DNA to start, move, turn, and stop while following a DNA track. The development could ultimately lead to molecular systems that might one day be used for medical therapeutic devices and molecular-scale reconfigurable robots—robots made of many simple units that can reposition or even rebuild themselves to accomplish different tasks. [Caltech Press Release]
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Erik Winfree