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https://to.pbs.org/PBSDSDonateI feel like I've seen this video before…
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http://instagram.com/jtotheizzoe Most of us have felt it before, that strange sensation that you've been somewhere or seen something before, as if you already remembered what's happening. Are you psychic? Nope, that's just déjà vu. Why does déjà vu happen? Well, scientists aren't completely sure, but they've got a few good theories about it.
Great déjà vu explainer from Jordan Gaines Lewis:
http://www.gainesonbrains.com/2012/02/seeing-into-future-neuroscience-of-deja.html Some theories of why déjà vu happens:
http://theconversation.com/explainer-what-is-deja-vu-and-why-does-it-happen-11355 And now for something completely different:
https://www.youtube.com/watch?v=G2eUopy9sd8 Special thanks to Austin's Corona Cafe!
Cast:
Waiter - Joe Nicolosi (he's also the director)
Sneezing girl - Kate Eads (she's also associate producer)
Guy spilling coffee - John Knudesn (he's also gaffer)
Have an idea for an episode or an amazing science question you want answered? Leave a comment below!
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It's Okay To Be Smart is written and hosted by Joe Hanson, Ph.DFollow me on Twitter: @jtotheizzoe
Email me: itsokaytobesmart AT gmail DOT com
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For more awesome science, check out:
http://www.itsokaytobesmart.comProduced for PBS Digital Studios
Joe Hanson - Creator/Host/Writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer
Andrew Matthews - Editing/Motion Graphics
Katie Graham - Director of Photography
John Knudsen - Gaffer
Dalton Allen - Post-Production Intern
Theme music:
"Ouroboros" by Kevin MacLeod
Other music via APM
Stock images from Shutterstock
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Last week's video:
5 Weird Involuntary Behaviors Explained:
http://www.youtube.com/watch?v=ZE8sRMZ5BCA More videos:
Why Are Some People Left-Handed?
https://www.youtube.com/watch?v=NPvMUpcxPSA Why Did We Blow on NES Games?
https://www.youtube.com/watch?v=4Gf9mtXnJfMThe Science of Game of Thrones -
https://www.youtube.com/watch?v=Utu-LpJn3Is There Was No First Human -
https://www.youtube.com/watch?v=xdWLhXi24Mo How The Elements Got Their Names -
https://www.youtube.com/watch?v=mtg9p6A6xnYAbout 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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