use sound maint
These Webpages are no longer maintained. We are keeping the pages here to preserve some of the early years of ProjectDragonfly, to honor the students who created the interactives in the early days of the Web, and because many of the activities are fun and people are still using them. For current Project Dragonfly work, go to:www.ProjectDragonfly.org
She decides that radio waves would be a great way to attract a passing
ship. You do not understand her logic so you ask her:
How can you hear sound if you are deaf?
What is sound?
How can we make radio
This document has been accessed 1 times
since Tuesday, December 2, 1997.
This document was last modified on
Tuesday, September 30, 2008 at 11:51:32.