May 2010 - Vol. 53 No. 5

May 2010 issue cover image


Opinion CACM online

Looking For Control

Computer scientists are wrestling to tame the glut of online data, which is overwhelming both individuals and companies. For some users the answer starts with restrictions, but restrictions won't solve the problems of an overconnected world.
Research and Advances Virtual extension

Monitoring Ambient Air Quality With Carbon Monoxide Sensor-Based Wireless Network

Recent advances in wireless sensor networks make them an attractive solution for monitoring air quality. Successful deployment of these systems demonstrates that they can be useful for some environmental monitoring scenarios.

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