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The Invisible Flame

Some day hydrogen may replace the gasoline that we are now using up so rapidly. NOVA looks at the potential of hydrogen as a zero-pollution fuel.

English
  • Originally Aired February 22, 1979
  • Runtime 60 minutes
  • Content Rating United States of America TV-PG
  • Network PBS
  • Created June 13, 2010 by
    Administrator admin
  • Modified June 13, 2010 by
    Administrator admin