In July 1925, physicist Werner Heisenberg wrote a letter to Wolfgang Pauli sharing his new ideas about what would eventually become known as quantum theory. A hundred years later, that theory has been ...

Something extraordinary is happening in American science right now. Even amid budget debates, political headwinds, and ...

Research findings are available online in the journal Science Advances. The original story “ Physicists use pulses of light ...

Before Einstein, before Bohr, there was a Jesuit priest with a telescope and a startlingly modern vision of the universe.

The results are just what theory predicts, but when the theory clashes as strongly with everyday experience as this, ...

For decades, quantum entanglement has been measured almost exclusively in isolated particles trapped in labs, far removed ...

The Wisconsin Union Directorate welcomed renowned quantum physicist John Martinis to Shannon Hall on March 23 as part of the ...

Scientists have always wondered whether ordinary materials are also secretly held together by quantum ...

A new experiment with momentum-entangled helium atoms could help unite quantum mechanics and general relativity.

Quantum systems don’t fail quietly; they collapse in a flash. In less time than ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. This year is the International Year of Quantum Science and Technology, according to ...

Albert Einstein in Washington, D.C. Credit: Harris & Ewing Collection, Library of Congress, Prints & Photographs Division, photograph by Harris & Ewing, LC-D In honor of Einstein’s birthday, we’re ...