Closed-captioned; audio description for the visually impaired.
Performer
Narrated by Kathryn Walker.
Credits
Editors, Louise Salkow, Justin Badger ; camera, Clive North.
Note
Original program: Project Poltergeist, BBC, c2004. The ghost particle has additional material on program.
The ghost particle originally broadcast as a segment of: Nova.
Audience
Not rated.
Summary
The cosmos has a secret ingredient: a swarm of invisible particles that fill every cubic inch of space. Trillions of them zip through our bodies but we don't notice a thing. Nova tells the 70-year struggle of scientists to understand them.
Note
Special DVD-ROM features: Teaching materials in PDF format and a link to the NOVA web site.
