Dr. Allen Landers, assistant professor of physics at Auburn University, will speak on “The Tortoise and the Hare on an Atomic Scale” at 3 p.m., Oct. 12 in Room 250 of the University of South Alabama’s Instructional Laboratory Building.

Lander’s presentation is part of the USA Physics Colloquium sponsored by the department of physics. The event is open to the public. Refreshments will be served at 2:45 p.m. For more information contact Dr. Albert Gapud at (251) 460-5484.