Whitney Howell

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Polymorphic, or shape-shifting, robots can normally tackle more types of tasks than non-polymorphic robots due to their flexible morphology. Their versatility adds to the challenge of designing a human interface, however. To investigate the utility of providing awareness information about the robot's physical configuration (or "pose"), we performed a(More)
The right eyes of anesthetized, 10-week-old albino rats were exposed to constant photon fluxes at 6 wavelengths for 6 hrs. The left eye of each animal was patched during the exposure and was used as control. Histologic examination of retinal sections disclosed a region in the superior retina that was more damaged than were other areas. Attempting to(More)
— The use of wireless networks has become very popular in the mobile robotics community as they offer many advantages over traditional tethered systems. Wireless networks, however, often suffer from lower throughput and higher packet loss than their wired counterparts. This work attempts to enhance wireless networks used in mobile robotics by determining(More)
This paper describes the teaching methods used by the teachers and graduate student mentors for students involved in the FIRST Lego League (FLL) Robotics Competition. Participants in the FLL, aged 9 through 14, were exposed to topics in robotics, artificial intelligence, engineering, biology, and ecology, in order to promote hands-on experimentation and(More)
Distribution of melanosomes across the retinal pigment epithelium of hooded rats (Long-Evans) is studied at the light microscopic and electron microscopic levels. This distribution is shown to be nonuniform: more melanosomes exist in the periphery than elsewhere and, importantly, there are very few melanosomes in a restricted area of the central portion of(More)
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