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March



Dr. Christopher Easley discusses his diabetes research

03/14/2011

Diabetes is a disorder of the endocrine system signified by high levels of blood glucose resulting from defects in insulin production, insulin action, or both. According to the Centers for Disease Control and Prevention, or CDC, diabetes is the seventh leading cause of death in the U.S. and results in $174 billion in direct and indirect medical costs per year. Indeed, medical costs are more than two times greater for those with diabetes, due in part to a host of health problems that can result from the disease including: blindness and eye problems, kidney failure, limb amputation, heart disease, stroke, hypertension, pregnancy complications and depression.

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The Society for Conservation Biology gets a behind-the-scenes tour of the Birmingham Zoo

03/09/2011

The Birmingham Zoo's Indo-Chinese tiger, Kumar, weighs 230 lbs. As a means of monitoring the tiger's overall health, Kumar gets weighed twice a month by trained zoo keepers utilizing a strategic series of hallways and barriers, or holding area, connected to his exhibit. Indeed, all of the Birmingham Zoo's big cats are monitored in this fashion, and the Society for Conservation Biology, or SCB, got a behind-the-scenes look at how the system works.

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Colloquium

03/04/2011

The presentation will cover various electronic and photonic devices based upon III-V compound semiconductors and nanostructured materials including “wide”-bandgap III-nitride materials with a focus on materials and device physics. The material structures and devices in the presentation include light-emitting diodes (LEDs), laser diodes (LDs), heterostructure field-effect transistors (HFETs), and heterojunction bipolar transistors (HBTs) for both photonic and electronic system applications as critical components in solid-state lighting and high voltage electronics. The aspects of device and materials physics, material-related technical issues, and state-of-the-art device technology will be described. Applications and outlook of the devices in current information technologies and next-generation green technologies will also be briefly discussed.

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