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Dealing with Extreme Cold Is Topic
of UW-Eau Claire Alumni Luncheon

RELEASED: April 18, 2006

Let's Do Lunch postcardEAU CLAIRE — Experiencing cold outside temperatures is a routine part of winter for residents of Wisconsin. But what happens to everyday items when they are exposed to the extreme cold of liquid nitrogen, where the temperature is an extremely cold
-321ºF. Looking at how extremely low temperatures effect everyday objects will be the topic of an April 26 luncheon presentation hosted by the University of Wisconsin-Eau Claire Alumni Association.

Dr. J. Erik Hendrickson, UW-Eau Claire associate professor and chair of the physics and astronomy department, will give a presentation titled "Dealing with Extreme Temperatures: Beyond Cold" from noon to 1 p.m. at Sweetwaters restaurant, as part of the Alumni Association's "Let's Do Lunch" series.

Hendrickson, who earned both a doctorate in experimental condensed matter physics and a master's in physics at Michigan State University will perform an amazing array of fun demonstrations and explain some of the changes that occur to various objects when they are plunged into liquid nitrogen.

Creating and presenting such entertaining and educational demonstrations has been a longtime interest of Hendrickson. For the past 20 years, he has organized and led an outreach group called Science Theatre at three different universities, which has brought similar science demonstrations to schools.

"I believe that bringing the excitement of science to people through demonstrations can spark an individual's imagination," said Hendrickson. "People are more likely to remember something they've seen, especially if the experience was fun."

Upcoming "Let's Do Lunch" speakers, dates and topics include Sean Hartnett, professor of geography and anthropology, May 31, "Exploring West-Central Wisconsin Lake Maps", Justin Patchin, assistant professor of political science, June 28, "Cyberbullying Among Adolescents: What Parents Need to Know."

The speaker series is open to the public. The price is $10 per session and includes the presentation, buffet, beverage, tax and tip. For reservations and details on upcoming topics and speakers go to the Alumni Association Web site, or call (715) 836-3266.

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KH

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