
Quantum Wave Meets Free Fall: Atom Interferometer Finally Tests Einstein vs. Quantum Mechanics
A machine splits a single atom into two paths, one that falls, one held still, settling a century-old dispute between two famous ideas.


A machine splits a single atom into two paths, one that falls, one held still, settling a century-old dispute between two famous ideas.

Physicists have beheld Einstein's law of gravity within the quantum domain, splitting an atom's phantom wave into two paths of fate.
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