We have experienced a broadcast interruption at our transmitter site that services a large part of Central Southern Colorado. This includes the Salida region as well as the entire San Luis Valley—including Lake George, Coaldale, Del Norte and San Luis. We are actively working to assess the point of failure. Thank you for your understanding and support! Our live stream is also available online and on the RMPBS+ app.

Stream live and on-demand content now on our new app:
RMPBS+

Help tell more stories in 2026 - make a year-end gift!

Give Now
PBS Space Time show's poster

How To Detect Faster Than Light Travel

PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.

How To Detect Faster Than Light Travel

Season 10 Episode 15 | 16m 28s | CC

Warp drives may or may not be possible, but if they are then could a distant alien civilization’s warp fields produce gravitational waves that we could see here on Earth? According to a recent study.. Actually maybe, at least eventually. And we now know just what to look for and how to look for it.

PBS Space Time

Watch more episodes

See more
See more