The Biggest Ideas in the Universe | Q&A 4 - Space

The Biggest Ideas in the Universe is a series of videos where I talk informally about some of the fundamental concepts that help us understand our natural world. Exceedingly casual, not overly polished, and meant for absolutely everybody. This is the Q&A video following Idea #4, Space, the video for which can be found here:    • The Biggest Ideas in the Universe | 4. Space   My web page: http://www.preposterousuniverse.com/ My YouTube channel:    / seancarroll   Mindscape podcast: http://www.preposterousuniverse.com/p... The Biggest Ideas playlist:    • The Biggest Ideas in the Universe: Introdu...   Blog posts for the series: http://www.preposterousuniverse.com/b... Background image: https://wallpapercave.com/w/Pr9hNhy #science #physics #ideas #universe #learning #cosmology #philosophy #math #space #dimensions