Spooky quantum connection quantified for multiple particles
‘Entanglement entropy’ measurements provide clues to properties of complicated systems
![rubidium atoms](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/12/120215_ag_-entanglement_free.jpg?fit=860%2C460&ssl=1)
EVERYWHERE ENTANGLEMENT Each green dot in this cloud is a rubidium atom. Harvard physicists isolated sets of four atoms and measured the degree of entanglement between the atoms.
Markus Greiner