Lacking mass? Not on our watch—Dr. Paul Sutter explains darkish matter

Produced and directed by Corey Eisenstein. Click on right here for transcript. (video hyperlink)

Greetings, Arsians! We now have one thing particular for you immediately: the premiere of a brand new science sequence we’re creating, referred to as Fringe of Data. We have recruited physicist and writer Dr. Paul Sutter (Google Scholar hyperlink) to be our host and information on an eight-episode romp by means of the mysteries of the cosmos, pertaining to subjects that we at Ars discover fascinating. This implies we’ll have episodes on black holes, the way forward for local weather change, the origins of life, and, one in every of my favourite subjects for our premiere: darkish matter.

Darkish matter: The common majority

As Ars readers, you are all most likely aware of Douglas Adams’ “House is huge” opening to The Hitchhiker’s Information to the Galaxy, however “huge” solely tells a part of the story. You may assume that, as a corollary to all that bigness, house must also be usually huge and empty, with simply an occasional stray hydrogen atom whipping its manner by means of an in any other case good vacuum of nothingness—however nothing might be farther from the reality.

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