Pushing the boundaries of science demonstrations using modern technology

Abstract

This paper describes the benefits and the challenges of using modern technology for designing and implementing in-class science demonstrations. We suggest that state-of-the-art instrumentation, such as a fast-speed video camera, can turn traditional lecture demonstrations from mere entertainment to the effective means for physics learning. We describe an experimental set-up — a slow-motion chamber, which we have used as a demonstration tool in large lectures. Finally, we provide examples of experiments used in introductory physics courses, which may greatly benefit from the analysis of a slow-motion playback, and suggest how instructors can help students experience physics in action during lectures.