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Systems Briefs

The greening of multihop sensors
Wireless sensor networks (WSNs) are indispensable to modern life. They monitor the temperature and depth of permafrost in the Swiss Alps, regulate traffic on highways and make it possible to track a person’s pulse rate and other vital signals remotely.

The efficient capture of CO2 from power plants
Lehigh’s Energy Research Center (ERC) has developed a variety of technologies that improve the operating efficiency of power plants while reducing emissions of toxic substances and greenhouse gases.

A smart wheelchair with laser vision
Disability, John Spletzer believes, should pose no obstacle to mobility.

An automated boost for military intelligence
What happens when soldiers capture documents written in a language they don’t speak and a script they can’t read? Are the materials exploited for intelligence value or stored unread?