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NASA Shares Image of a Galactic Smiley Face

Nature has blessed us with brains that are hardwired to find patterns and recognize faces, so it’s no surprise we tend to notice faces even where there aren’t any. Although they may be better educated, the humans at NASA are no different than the rest of us. They recently

'Carpet' growth method yields long-sought 2D quantum material

For decades, physicists have sought a practical two-dimensional topological insulator: an ultrathin material whose interior blocks electricity but whose edges conduct it. In ordinary wires, electrons constantly bounce off imperfections, losing energy. But along the edges of a

Quantum physicists trace a century of controlling spin

A concept from the field of quantum mechanics, spin is a property of particles that has no direct counterpart in everyday experience. Since the early 20th century, researchers have learned to manipulate it deliberately by means of precisely shaped electromagnetic pulses. This