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Washington University in St. Louis News & Information > University Groups > School of Engineering & Applied Science >
Civil Engineering
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Baseball diamond as playground of math and physics
Engineer: Head-first slide is quicker
Sept. 25,
2008 -- Whether watching the All-Star Game, a World Series game or just a regular-season Tuesday afternoon game, it's nearly guaranteed that fans will see daring slides, both feet-first and head-first, and even slides on bang-bang plays at first. Who gets there faster, the head-first slider or the feet-first? The head-first player, says David A. Peters, Ph.D., the McDonnell Douglas Professor of Engineering at Washington University in St. Louis, and big-time baseball fan. He says it's a matter of the player's center of gravity.
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Missouri earthquake awareness month
Seminar to address ways to lessen earthquake damage
Feb. 6,
2008 -- The Department of Mechanical, Aerospace and Structural Engineering at Washington University in St. Louis is presenting a series of seminars and workshops on the topic of reducing the damage that would occur when a strong earthquake strikes the New Madrid fault area again.
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First test
Study: Wireless sensors limit earthquake damage
April 16,
2007 --
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| Shirley Dyke (left) and Pengcheng Wang adjust wireless sensors onto a model laboratory building in Dyke's laboratory. |
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An earthquake engineer at Washington University in St. Louis has successfully performed the first test of wireless sensors in the simulated structural control of a model laboratory building. Shirley J. Dyke, Ph.D., the Edward C. Dicke Professor of Civil Engineering and director of the Washington University Structural Control and Earthquake Engineering Laboratory, combined the wireless sensors with special controls called magnetorheological dampers to limit damage from a simulated earthquake load. More...
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Bacteria to run our cars, warm our homes
Energy-producing bacteria will be studied here
Oct. 9,
2006 --
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| Photo by David Kilper / WUSTL Photo |
| Himadri Pakrasi explains the photobioreactor in his Rebstock Hall laboratory. |
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The United States Department of Energy (DOE) has devoted $1.6 million to sequencing the DNA of six photosynthetic bacteria that Washington University in St. Louis biologists will examine for their potential as one of the nextgreat sources of biofuel that can run our cars and warm our houses. That's a lot of power potential from microscopic cyanobacteria (blue-green algae) that capture sunlight and then do a variety of biochemical processes. One potential process, the clean production of ethanol, is a high priority for DOE. Himadri Pakrasi, Ph.D., Washington University Professor of Biology in Arts & Sciences, and Professor of Energy in the School of Engineering and Applied Science, will head a team of biologists at Washington University and elsewhere in the analysis of the genomes of six related strains of Cyanothece bacteria. More...
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Money down the drain?
Tap water just as safe as bottled, says environmental engineer
Aug. 5,
2004 --
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| David Kilper / WUSTL Photo |
| Bottled water or tap? A WUSTL environmental engineer specializing in aquatic chemistry sees no difference between the two in terms of health. |
Paying extra for bottled water? You may be wasting your money, says an expert in aquatic chemistry. Daniel Giammar, Ph.D., a faculty member in the Environmental Engineering Science Program at Washington University in St. Louis, says that tap water is just as safe to drink as bottled water. He also says that the pricey bottled water you value so highly might well be nothing more than repackaged tap water. "The tap water we drink meets very strict standards that are designed to protect our health," Giammar says. "These are developed over many years of study and they all include fairly large factors of safety. Any differences between tap and bottled water, in terms of health, are negligible."
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Out of the atmosphere, into the Earth
Researcher seeks ways to sequester carbon dioxide
Sept. 2,
2003 --
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| Photo by David Kilper / WUSTL Photo |
| Giammar discusses a batch reaction cell. |
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As global temperatures continue to rise, many methods have been proposed to deal with the excess of carbon dioxide in the atmosphere. An environmental engineer at Washington University in St. Louis just wants the problem to go away - out of the atmosphere, into the earth.
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Cooking oil slick
Vegetable oil spills hurt environment, too
July 10,
2003 --
Next time you think "oil spill," remember that the vegetable oils used to make Freedom fries also can create an environmental mess.
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The science of war
Homeland security, burning oil and bioterrorism
April 23,
2003 --  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.
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