Theoretical physicists have spent decades wrestling with a disorienting possibility: that the flow of time is not woven into the basic laws of physics but instead emerges from gravity’s effect on heat ...
Let’s talk about quantum gravity experiments that can be done here on Earth! If we discover how to connect quantum mechanics with general relativity we’ll pretty much win physics. There are multiple ...
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Newton's law of gravity just passed its biggest test ever
Light from a distant galaxy becomes warped as it travels through space-time gravitationally curving around a foreground cluster. (Saurabh Jha/Rutgers, The State University of New Jersey) The motion of ...
Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of Ask a Spaceman and Space Radio, and author of How to Die in Space. He contributed this article to ...
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