From tiny robo-spies designed to prowl unseen through hostile territory to wireless networks of chemical sniffers that can monitor pollution in the wilderness, ultra-high-tech sensors have begun to link the cyber-world of bits and bytes with the analog world in which we live. In the process, these devices are transforming the way we understand and manage our world.

Sponsored by ACS Science & the Congress Project, ASM International and the National Academies.

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