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How Will We Know We’re Not Alone?
...is unraveling secrets of black holes, early galaxies. So a dedicated telescope that’s specifically designed to find signs of life in the atmosphere of these small rocky planets is our...
The Year in Physics
...little red dots, grape-like clusters, shockingly big young black holes: Astrophysicists are reveling in the “beautiful confusion” of that formative epoch of cosmic history. The Webb telescope also enabled a...
What Is Entropy? A Measure of Just How Little We Really Know.
...what entropy means in black holes. “The observational entropy framework provides much more clarity,” said Philipp Strasberg, a physicist at the Autonomous University of Barcelona, who recently included it in...
How Is Cell Death Essential to Life?
...like, they basically make pores. And so they release these perforin proteins that make holes in the membranes of the target cell. And that will trigger either an apoptotic response...
It Might Be Possible to Detect Gravitons After All
...to first sense a rumble in space-time in 2015 — one sent out by a collision between distant black holes. Detecting a single graviton would be harder still, akin to...
How Do Merging Supermassive Black Holes Pass the Final Parsec?
...by merging supermassive black holes in their final days. “With LISA we will actually see supermassive black holes merging,” Pacucci said. The nature of that signal could reveal “particular traits...
The ‘Beautiful Confusion’ of the First Billion Years Comes Into View
...filled with black holes formed in this way. But cosmologists have struggled to understand supermassive black holes. These black holes somehow grew large enough, and fast enough, to shape the...
Physicists Reveal a Quantum Geometry That Exists Outside of Space and Time
...quantum theory. (Note that these singularities are unrelated to the singularities thought to sit at the heart of black holes.) Singularities led Arkani-Hamed to the amplituhedron and associahedron in the...
If the Universe Is a Hologram, This Long-Forgotten Math Could Decode It
...fabric can’t be the whole story. Dying stars puncture it, creating intensely warped regions called black holes where the equations of general relativity break down. And even in calmer parts...