The Cosmic Lingering Glow - Be Smart.

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Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Get your #ididascience shirt here! http://dftba.com/besmart Tweet this ⇒ http://bit.ly/OKTBScmb Share on FB ⇒ http://bit.ly/OKTBScmbFB ↓ More info and sources below ↓ Vintage Project Echo footage from “The Big Bounce” (1960): https://archive.org/details/BigBounc1960 Listen to the original static signal captured by Penzias and Wilson at Bell Labs: https://media-bell-labs-com.s3.amazonaws.com/pages/20140518_1635/narrated_thermal_noise_02_Track_2.m4a ---- Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below! Like us on Facebook: http://www.facebook.com/itsokaytobesmart Follow on Twitter: http://twitter.com/okaytobesmart http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: http://instagram.com/jtotheizzoe Follow on Snapchat: YoDrJoe ----------------- It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D. Follow me on Twitter: @jtotheizzoe Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios Music via APM Stock images from SciencePhoto http://www.sciencephoto.com/ and Shutterstock http://www.shutterstock.com Stock footage from Videoblocks (unless otherwise noted) http://www.videoblocks.com Learn more about your ad choices. Visit megaphone.fm/adchoices

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Frequently Asked Questions

How long is this episode of Be Smart.?

This episode is 4 minutes long.

When was this Be Smart. episode published?

This episode was published on June 28, 2026.

What is this episode about?

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Get your #ididascience shirt here! http://dftba.com/besmart Tweet this ⇒ http://bit.ly/OKTBScmb Share on FB ⇒...

Can I download this Be Smart. episode?

Yes, you can download this episode by clicking the download button on the episode player, or subscribe to the podcast in your preferred podcast app for automatic downloads.