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The Spring 2007 Saturday Morning Physics series is sponsored by the Dr. M. Lois Tiffany endowment and gifts from friends of the program. Additionally, the Department of Physics is very appreciative of Pfizer Inc for funding the videotaping of this series of Saturday Morning Physics talks. For more taping information, please click here.

Saturday, February 10, 2007
Phil Hanna, Associate Professor of Microbiology and Immunology
Weapons of Mass Destruction: Biological Weapons
The impact of infectious agents has influenced societies and affected the lives of every generation for all of human history. That some of these microbial agents now might be used, deliberately, as weapons of terror shocks sensibilities and challenges researchers and governments to develop new policies and build practical countermeasures. We will cover the nature and medicine of bioterror agents, their history and social impact and discuss some current thinking surrounding our desires to live safely in a world where germs might be used as weapons.

Phil Hanna's Powerpoint Presentation

Saturday, February 17, 2007
Rudy J. Richardson, Dow Professor of Toxicology
Chemical Agents as Triggers of Neurological Disease
Lethal "nerve gases" have been known since the 1930s and their mode of action is well documented. We know far less about neuropathic agents--chemical cousins of the nerve gases that produce neurodegenerative disease instead of death. However, research thus far has led to new methods of detection and opened up new avenues for understanding neurological disease.

Professor Richardson's Powerpoint Presentation

Saturday, March 10, 2007
Mike Sanders, Professor Emeritus of Physics
Weapons of Mass Destruction: Nuclear Weapons
We will survey the history of the proliferation of nuclear weapons since the end of World War II, emphasizing recent events. One important technical change has been the development of the ultra-centrifuge as a (relatively) inexpensive route to the production of fissionable material.

Professor Sanders's Powerpoint Presentation

Saturday, March 17, 2007
Christopher Monroe, Professor of Physics
The Physics behind Music
Rolling ripples of water on the surface of a pond, the brilliant colors of a deep rainbow, and Beethoven's Ninth Symphony all come to us in the form of waves. While we all appreciate the beauty of these experiences in life without caring about the underlying physics, they become even more beautiful when we dive into the simple physical and mathematical description of such waves. The first lecture will probe the salient physics behind the most accessible form of waves -- music.

Saturday, March 24, 2007
Christopher Monroe, Professor of Physics
The Physics behind Music
Rolling ripples of water on the surface of a pond, the brilliant colors of a deep rainbow, and Beethoven's Ninth Symphony all come to us in the form of waves. While we all appreciate the beauty of these experiences in life without caring about the underlying physics, they become even more beautiful when we dive into the simple physical and mathematical description of such waves. The second lecture will continue the journey into the strangest and most universal wave phenomena of all -- quantum mechanics.

Saturday, March 31, 2007
Cagliyan Kurdak, Associate Professor of Physics
The Electronics Revolution
Unlike metals, the electrical properties of semiconductors are dominated by the impurities or the dirt in them. Thus, the emergence of semiconductors as a material of choice for the electronics industry was most surprising. This lecture will explore the remarkable scientific breakthroughs in semiconductors that made the growth of the electronics industry possible.

Professor Kurdak's Presentation

Saturday, April 14, 2007
Cagliyan Kurdak, Associate Professor of Physics
Future of Electronics
As the size of transistors approach atomic scales, the electronic industry is facing various physical limitations. In the second lecture, I will discuss how this industry will respond to these challenges as well as emerging opportunities for semiconductors.

Professor Kurdak's PDF Presentation (some photos are missing)

Saturday, April 21, 2007
Henry Pollack, Professor Emeritus of Geological Sciences
Earth’s Changing Climate – What’s in Store for the Future?
No other scientific topic has been in the spotlight more over the past two decades than global climate change. Professor Henry Pollack will guide us through the evidence for a changing climate, and address the causes and consequences of climate change.

Professor Pollack's PDF Presentation