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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

Portside
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.

Our Ignorance About Gravity

This video is about how little we know about the behavior of gravity at short length and distance scales and constraints on Newton's inverse square law at the human and microscopic and atomic scales. Only on solar system scales or larger do we have good constraints on Newton's law of gravitation.

Schrödinger's Cat Could Be Saved, Say Scientists

Nicola Davis The Guardian
Schrödinger’s cat is a thought experiment exploring the fate of an animal placed in a box with poison and radioactive material. Until now, the cat seemed to exist in a zombie state in which it was neither alive nor dead -- until you looked in the box

DIY Gravitational Waves with 'BlackHoles@Home'

American Physical Society phys.org
The public will be invited to lend their own computers to help the scientific community unlock the secrets contained in gravitational waves observed when black holes smash together.
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