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Quantum Mischief Rewrites the Laws of Cause and Effect
Spurred on by quantum experiments that scramble the ordering of causes and their effects, some physicists are figuring out how to abandon causality altogether.
New Kind of Space Explosion Reveals the Birth of a Black Hole
A supernova-like explosion dubbed the Camel appears to be the result of a newborn black hole eating a star from the inside out.
Isadore Singer Transcended Mathematical Boundaries
A former graduate student reflects on how Isadore Singer, who died on February 11, brought together mathematicians, physicists and anyone else interested in the deeper connections between diverse fields.
Imaginary Numbers May Be Essential for Describing Reality
A new thought experiment indicates that quantum mechanics doesn’t work without strange numbers that turn negative when squared.
New Season of The Joy of x Podcast Explores Scientists’ Inner Lives
In a second season of enlightened conversations, Steven Strogatz and leading researchers nourish our pandemic-starved minds.
Decades-Long Quest Reveals Details of the Proton’s Inner Antimatter
Twenty years ago, physicists set out to investigate a mysterious asymmetry in the proton’s interior. Their results, published today, show how antimatter helps stabilize every atom’s core.
Cloud-Making Aerosol Could Devastate Polar Sea Ice
An overlooked but powerful driver of cloud formation could accelerate the loss of polar sea ice.