
Chicago Scientists Explains ‘Discovery That Shook the World’
Clip: 10/4/2017 | 8m 49sVideo has Closed Captions
The Nobel Prize committee called it “a discovery that shook the world.”
The Nobel Prize committee called it “a discovery that shook the world.” Local scientist Daniel Holz explains gravitational waves.
Problems with Closed Captions? Closed Captioning Feedback
Problems with Closed Captions? Closed Captioning Feedback
Chicago Tonight is a local public television program presented by WTTW
WTTW video streaming support provided by members and sponsors.

Chicago Scientists Explains ‘Discovery That Shook the World’
Clip: 10/4/2017 | 8m 49sVideo has Closed Captions
The Nobel Prize committee called it “a discovery that shook the world.” Local scientist Daniel Holz explains gravitational waves.
Problems with Closed Captions? Closed Captioning Feedback
How to Watch Chicago Tonight
Chicago Tonight is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.

WTTW News Explains
In this Emmy Award-winning series, WTTW News tackles your questions — big and small — about life in the Chicago area. Our video animations guide you through local government, city history, public utilities and everything in between.Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipAsk Geoffrey: A ‘Pipe Dream’ of the 1893 World’s Fair
Video has Closed Captions
Geoffrey Baer explores an eccentric architect’s wacky proposal for the World’s Fair. (7m 29s)
Cook County Jail Program Helps Detainees Earn New Label
Video has Closed Captions
A look at a program called Contextos, and how it’s impacting Cook County Jail. (6m 7s)
‘My Block, My Hood, My City’ Founder on Why Exposure is Key
Video has Closed Captions
We speak with Chicago community activist and mentor Jahmal Cole. (9m 53s)
Supreme Court Faces ‘Blockbuster’ Term
Video has Closed Captions
We discuss key cases before the court with Michael Scodro and Travis Lenkner. (16m 2s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipSupport for PBS provided by:
Chicago Tonight is a local public television program presented by WTTW
WTTW video streaming support provided by members and sponsors.















