SCIENCE
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How Einstein revolutionized the meaning of “where” and “when”
Even space and time are relative in Einstein’s universe. That means our old notions of “where” and “when” no longer…
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Ask Ethan: Will anything persist when the Universe dies?
This illustration shows a spacetime grid where the grid is being dragged due to rotation, but where expansion farther out…
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The Big Bang’s final and most difficult prediction: confirmed
At the high temperatures achieved in the very young Universe, not only can particles and photons be spontaneously created, given…
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What are the most energy-efficient reactions in physics?
As long as there are still interactions occurring between objects in space, including gravitational collapse, nuclear transitions, stellar cataclysms, and…
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Ask Ethan: Can we see the expanding Universe changing?
At the start of the hot Big Bang, the Universe was rapidly expanding and filled with high-energy, very densely packed,…
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Carl Sagan’s 9 timeless lessons for detecting baloney
Carl Sagan was one of the most prominent scientific figures of the 20th century, helping cofound the now-thriving field of…
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Starts With A Bang Podcast #126 — The origin of dust
This image shows the Pillars of Creation within the Eagle Nebula, as assembled by two entirely different data sets. On…
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Yes, JWST should take the deepest deep-field image ever
Many collaborations have used JWST to take deep-field images: some wider and some deeper than others. Here’s how it can…
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Ask Ethan: How much damage could a cosmic ray do to a human?
At the upper limits of what’s energetically possible, cosmic rays still persist. What happens if a human gets hit by…
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Dark matter’s “nightmare scenario” looks more likely than ever
Our great hope is that today’s indirect, astrophysical evidence will someday lead to successful direct detection. What if that’s… Continue…
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