Hank describes how astronomers used a technique called gravitational lensing to find the most distant galaxy ever detected -- and how NASA is embarking on a new program to use this same technique to peer deeper into space than ever before. He also walks you through some scientific bloopers in the film "Gravity." We won't give it all away, but let's start with this: Sandra Bullock in a diaper.
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Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow
Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow
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Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
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Thanks Tank Tumblr: http://thankstank.tumblr.com
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