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Say Hello to Sagittarius A*, the Black Hole at the Center of the Milky Way

Chris Impey The Conversation
On May 12, 2022, astronomers on the Event Horizon Telescope team released an image of a black hole called Sagittarius A* that lies at the center of the Milky Way galaxy. Chris Impey, an astronomer at the University of Arizona, explains how the team got this image and why it is such a big deal.

Elon Musk and the Oligarchs of the ‘Second Gilded Age’

Nolan Higdon The Conversation
Musk’s desire in buying Twitter goes beyond a desire to shape public discourse. Today’s equivalent of the Gilded Age oligarchs, who are gobbling up increasing chunks of the media landscape, also have access to a trove of personal data of users.

The W Boson Is More Massive Than Expected

John Conway The Conversation
A decade of science and trillions of collisions show the W boson is more massive than expected – a physicist on the team explains what it means for the Standard Model
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