Download the PBS Video App:
https://www.pbs.org/pbs-video-app/The universe is microwaving itself. A mystery signal discovered in the 1960s led to a Nobel prize.
In this video, Dianna explores one of the most mysterious discoveries in physics - a constant microwave signal that seemed to be coming from everywhere in the universe. It turned out to be light from an unusual process 13.8 billion years ago.
Special thanks to our Sally Ride level patrons: Alejandro Gutierrez, Brian O'Connell, Darkbit, Dave Butler, David Cichowski, Edi, Fabrice Eap, Henning Bitsch, Kenneth Hunter, Margaux Lopez, and Vincent Flores.
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https://www.patreon.com/physicsgirl Check out MinutePhysics - Why do compressed air cans get cold?
https://www.youtube.com/watch?v=kjraelDMrFQIf you liked this video check out these:
Why is the universe flat?
https://www.youtube.com/watch?v=MTUsOWtxKKAHow the Edge of our Galaxy Defies Known Physics
https://www.youtube.com/watch?v=c6Eq2sI1NDY MANY thanks to: Nick Lucid, Katie Mack, Derek Muller, Henry Reich, Thom Ory and Edward Wright for helping with this video!
Thanks to Levi Butner for inspiriting the idea for this video by asking me WAY too many questions during work! :)
http://physicsgirl.org/ http://twitter.com/thephysicsgirlhttp://facebook.com/thephysicsgirlhttp://instagram.com/thephysicsgirlCreator/Host: Dianna Cowern
Editor: Levi Butner
Writing: Valerie Bentivegna
Research/Copy Editing: Dianna Cowern
Sources:
Temperature and wavelength of original CMB:
http://www.astro.uvic.ca/~jwillis/teaching/astr405/astr405_lecture3.pdf
http://www.astronomy.ohio-state.edu/~ryden/ast162_9/notes39.html
ESA Planck References:
http://www.esa.int/Science_Exploration/Space_Science/PlanckNASA WMAP Reference:
https://map.gsfc.nasa.govInterview with John G. Cramer (via email)
https://kipac.stanford.edu/highlights/understanding-dark-energy-through-cmb-observationsNobel prize photo - Alexander Mahmoud 2018
https://www.aps.org/publications/apsnews/200207/history.cfmAbout the Site 🌐
This site provides links to random videos hosted at YouTube, with the emphasis on random. 🎥
Origins of the Idea 🌱
The original idea for this site stemmed from the need to benchmark the popularity of a video against the general population of YouTube videos. 🧠
Challenges Faced 🤔
Obtaining a large sample of videos was crucial for accurate ranking, but YouTube lacks a direct method to gather random video IDs.
Even searching for random strings on YouTube doesn't yield truly random results, complicating the process further. 🔍
Creating Truly Random Links 🛠️
The YouTube API offers additional functions enabling the discovery of more random videos. Through inventive techniques and a touch of space-time manipulation, we've achieved a process yielding nearly 100% random links to YouTube videos.
About YouTube 📺
YouTube, an American video-sharing website based in San Bruno, California, offers a diverse range of user-generated and corporate media content. 🌟
Content and Users 🎵
Users can upload, view, rate, share, and comment on videos, with content spanning video clips, music videos, live streams, and more.
While most content is uploaded by individuals, media corporations like CBS and the BBC also contribute. Unregistered users can watch videos, while registered users enjoy additional privileges such as uploading unlimited videos and adding comments.
Monetization and Impact 🤑
YouTube and creators earn revenue through Google AdSense, with most videos free to view. Premium channels and subscription services like YouTube Music and YouTube Premium offer ad-free streaming.
As of February 2017, over 400 hours of content were uploaded to YouTube every minute, with the site ranking as the second-most popular globally. By May 2019, this figure exceeded 500 hours per minute. 📈
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