When did NOVA Season 17 Episode 2 air?
NOVA Season 17 Episode 2 aired on January 23, 1990 at 9 PM ET.


PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
Using some of the largest machines ever built on earth, American and European physicists race to discover one of the most fundamental and most elusive objects in nature—the top quark.
Direct answers for episode-level questions and details.
NOVA Season 17 Episode 2 aired on January 23, 1990 at 9 PM ET.
This episode runs for approximately 55 minutes.
Comments coming soon
Discuss episodes with other viewers