The Vacuum (interstellar to quantum)

Can a glass ever be truly empty? What changes in the absence of matter? Is it possible to reach absolute emptiness? All these answers in 7 minutes. For more videos, subscribe to the YouTube channel : https://www.youtube.com/ScienceClicEN And if you liked this video, you can share it on social networks ! To support me on Patreon : http://www.patreon.com/ScienceClic or on Tipeee : http://tipeee.com/ScienceClic Facebook Page : http://facebook.com/ScienceClic Twitter : http://twitter.com/ScienceClic Google+ : http://google.com/+ScienceClic Alessandro Roussel, For more info: http://www.alessandroroussel.com/en _ To learn more : https://en.wikipedia.org/wiki/Vacuum https://en.wikipedia.org/wiki/Virtual_particle https://en.wikipedia.org/wiki/Cosmological_constant_problem