April Tip Sheet: Science & Technology

Tip sheets highlight timely news and events at Washington University in St. Louis. For more information on any of the stories below or for assistance in arranging interviews, please see the contact information listed with each story.

Arch safety
System considered that links video camera with automatic target recognition

The St. Louis arch has been thought to be a potential target for terrorists.

Researchers at Washington University’s Center for Security Technologies are planning a surveillance system that recognizes aberrant traffic flow and then, using automatic target recognition, identifies and analyzes the danger.


Speed limit?
Physicist disputes speed of gravity claim

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An astrophysicist at Washington University in St. Louis is disputing the claim that measurements of light bending are useful for determining the speed of gravity.


Smoke in Iraq
An air pollution expert at Washington University in St. Louis says the air pollution created by the Iraqi war is regional and should remain that way

This NASA image shows the smoke from Iraq’s oil fires set early in the confrontation.

An air pollution expert at Washington University in St. Louis says the air pollution created by the Iraqi war is regional and should remain that way unless something catastrophic happens such as the torching of the Kuwaiti oil wells in the 1991 Gulf War.


Filtering the tiniest particles
Device traps nanoparticles created by semiconductor manufacturing industry

Visiting professor Chuen-Jinn Tsai, Ph.D., and Da-Ren Chen, Ph.D., assistant professor of mechanical engineering, discuss the design of their coaxial cyclone.

Washington University in St. Louis engineers have developed a device that can make the semiconductor manufacturing industry cleaner


The science of war

Because obesity is a chronic illness, long-term treatment is required to help obese patients make the lifestyle changes to lose weight and keep it off.

Homeland security, burning oil and bioterrorism

Washington University in St. Louis offers faculty experts who can comment on breaking news issues related to the war in Iraq, terrorism and other related topics, including such areas as oil burning air pollution, homeland security and bioterrorism.

All Science & Technology tips