The Irish mathematician and physicist William Rowan Hamilton, who was born 220 years ago last month, is famous for carving ...

While William Rowan Hamilton isn’t a household name like, say, Einstein or Hawking, he might have been. It turns out the ...

This article explores how our understanding of the universe has evolved—from the scale of everyday experience down to the ...

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 ...

In commemoration of the 100th anniversary of modern quantum mechanics, a survey asked physicists for their takes on some hot questions in quantum theory. reading time 4 minutes In July 1925—exactly a ...

Quantum mechanics is one of the most successful theories in science — and makes much of modern life possible. Technologies ranging from computer chips to medical-imaging machines rely on the ...

Some people think they have a poltergeist in their attic, some say they’ve seen ghosts on dark nights – I have John Stewart Bell. The physicist’s research and his tremendous legacy have been haunting ...

Assigning ends of the system the standard experimental nicknames of Alice and Bob, the task required Alice to create a ...

Mean-field theory and semiclassical methods constitute vital frameworks in contemporary quantum mechanics. By replacing the intricate web of particle interactions with an average or “mean” field, mean ...