PBS
Pbs: Cet: A Science Odyssey: Radio Transmission
In this illustrated tutorial, find out how radio signals get transmitted from an antennae to the air.
University of Texas at Austin
Tex's French Grammar: Demonstrative Determiners
This site from Tex's French Grammar is a wonderful site with clear explanation of demonstrative determiners, with written and audio usage examples, (dialogues), and interactive practice exercises, (fill in the blank).
Other
Cet Cincinnati
WCET is the local affiliate for PBS in the Cincinnati area. Content includes local programming and news on local events, educational resources, and more.