The Invisible Flame
Season 6Episode 660 minFeb 22, 1979

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.
The Invisible Flame has aired on Feb 22, 1979 at 9:00 PM
Trailer
We do not have any trailers for this episode
Recently Updated Shows
Recently updated shows that might be of your interest.

Press Your Luck
A game of wits, strategy and high stakes as contestants try to avoid the iconic WHAMMY for a chance at life-changing cash and prizes.

Revival
Revival is set on one miraculous day in rural Wisconsin when the recently deceased suddenly rise from their graves. But this is no zombie story as the "revived" appear and act just like they once were. When local Officer and single mother Dana Cypress is unexpectedly thrown into the center of a brutal murder mystery of her own, she's left to make sense of the chaos amidst a town gripped by fear and confusion where everyone, alive or undead, is a suspect.
GenreCrime, Science-Fiction, Mystery