Bulletin of the American Physical Society
Annual Meeting of the Four Corners Section of the APS
Volume 59, Number 11
Friday–Saturday, October 17–18, 2014; Orem, Utah
Session H1: Plenary IV |
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Chair: Heinz Kakotte, New Mexico State University Room: Science Building 134 |
Saturday, October 18, 2014 8:45AM - 9:21AM |
H1.00001: Mathematics and meaning in introductory physics Invited Speaker: Stephen Kanim The degree to which many introductory physics students struggle with math is sometimes surprising. Even experienced instructors sometimes find themselves wondering what exactly students learned in all of those math classes. In this talk I will highlight the ways that mathematics as it is used in physics courses is different from what students have seen in math classes. I will present data from a study on student use of proportional reasoning in physics that suggests that many students have become proficient with mathematical procedures without considering the meaning of these procedures, and without a larger sense of what these procedures are for. Our goals for using mathematics in physics as a way of making sense of physical phenomena are different from the goals of mathematicians when they use the same procedures. As a result, physicists have an important role to play in fostering a flexible and generative use of mathematics as a tool for investigating and describing phenomena. To do this effectively, we first need to understand how physicists' mathematical habits of mind are different from those of students entering our courses. [Preview Abstract] |
Saturday, October 18, 2014 9:21AM - 9:57AM |
H1.00002: Developing technology for MRI guided high-intensity focused ultrasound Invited Speaker: Dennis Parker Focused ultrasound has the potential to deliver large amounts of energy to tissues deep within the body while sparing superficial tissues. MRI has the ability to acquire 3D images of tissues within the body with exquisite detail. MRI is also able to measure temperature changes in most tissue except bone and fat. At the University of Utah, we are developing an MRgHIFU system for treating breast cancer and are investigating methods for treating the brain through the intact skull. Both projects have interesting physics challenges, including measuring temperature in fat in the breast and focusing the ultrasound through the skull for applications to the brain. [Preview Abstract] |
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