Pauli blocking, a quantum phenomenon that makes a dense quantum gas suddenly turn transparent, has now been observed in three independent experiments Physics 18 November 2021 By Leah Crane Blue laser light being used to measure how quantum effects can influence light scattering in an ultracold gas of strontium atoms
The idea that the universe started in the big bang revolutionised 20th-century cosmology. But it seems increasingly unlikely it was a case of something from nothing Space 17 November 2021 By Joshua Howgego Louis Koo/Getty Images “NO QUESTION is more sublime than why there is a Universe: why there is
The one-way flow of time is one of the great mysteries of physics. It might be that we see causes and effects just because our information about reality is incomplete Physics 17 November 2021 By Abigail Beall Kitti Suwanekkasit/Shutterstock BY THE time you have finished reading this, you will be
Quantum theory is peerless at explaining reality, but assaults our intuitions of how reality should be. It seems likely the fault lies with our intuitions Physics 17 November 2021 By Daniel Cossins Shutterstock/agsandrew PARTICLES that also act like waves; the “spooky action at a distance” of entanglement; those dead-and-alive cats.