Woodland Park High School in Colorado is using video podcasts to remove lecture from class. Viewing podcasts made by teachers is given as homework so teachers and students can focus on hands-on activities and direct problem solving during class time. For students without Internet, they can copy episodes to a flash drive. Those without computers can take home DVDs to play on their televisions.
Jonathan Bergmann and Aaron Sams are the chemistry teachers involved in the video podcasting. In an article in the Pike Peak Courier View, they note an advantage is that students can pause and rewind a lecture when they don't understand concepts. The teachers take turns making episodes, so the students have the benefit of having two instructors. The teachers recommend SnapKast (Windows) or ProfCast (Macintosh) for recording lectures with PowerPoint or Keynote slides.
Click to go to the Woodland Park podcasts. Additionally, Jonathan and Aaron have an excellent video where they talk about their vodcasting. As an aside, I try to avoid educational and technology jargon. I do not use the term vodcast as I prefer video podcast.