Molecules/Matter & Energy

Billions of particles get entangled, plus more in this week’s news

Billions and billions, entangled
Quantum computers made of everyday stuff — silicon, for example — just got a step closer to reality. In a paper published online January 19 in Nature, Oxford-led researchers report entangling 10 billion pairs of electron and nuclear spins, meaning that information about one of those spins conveys information about its partner and the other 10 billion pairs.