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Information is power. Our mission at Portside is to seek out and to provide information that empowers you -- that empowers the left. Every day we search hundreds of sources to connect you with the most interesting, striking and useful material. Just once a year we appeal to you to contribute to make it possible to continue this work. Please help.

 

The Black Hole Image That Made History

At the center of a distant galaxy there's a black hole with the mass of several billion suns. And now, for the first time, we can see it.

Circus Science

Susan Salaz Lady Science
Physics is what powers the beautiful circus machine, even if the audience is completely oblivious.

Friday Nite Videos | November 1, 2019

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Nancy Pelosi With Stephen Colbert. Jack White Live at Bernie Sanders' Detroit Rally. Rep. Katie Porter Grills Mark Zuckerberg. The Man Who Corrected Einstein. Andy Borowitz: The Life-Changing Magic of Impeaching Trump.

The Man Who Corrected Einstein

On the 100th anniversary of Albert Einstein's Theory of General Relativity (gravity), many of the predictions of this theory have been proven correct. Here's the story of one that was wrong.

Friday Nite Videos | October 4, 2019

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Impeachment Is Broken. Impeach Trump, Anyway. Jokerman | John Cruz. The Day Shall Come | Movie. Trump Tries to Normalize His Criminal Behavior by Doing It in Public. Dr Quantum - Double Slit Experiment.

We Have Already Entered The Sixth And Final Era Of Our Universe

Ethan Siegel Forbes
We cannot be certain, despite what many have contended, that the Universe began from a singularity. We can, however, break the illustration you see into the different eras based on properties the Universe had at those particular times.

Friday Nite Videos | June 21, 2019

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Impeachment | John Oliver. A Hard Rain's A-Gonna Fall | English and Spanish Subtitles. Ta-Nehisi Coates’ Opening Statement on Reparations. Our Ignorance About Gravity. When White Supremacists Overthrew a Government.
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