In the physical world, time marches in one direction, but things aren’t so straight forward in the quantum realm. Researchers have discovered that it’s possible to speed up, slow down, or reverse the ...

In a fraught political and cultural climate, immigration, nativism, and belonging remain divisive points in American society and culture. Those concerns are particularly acute for both U.S.-born ...

Researchers from the Austrian Academy of Sciences and the University of Vienna have demonstrated a precise method for reversing time in a quantum system, achieving an average fidelity of more than 95% ...