Einstein called it 'spooky action at a distance," quantum entanglement is really cool. Scientists were able to seperate entangled ions a quarter of millimeter apart. This is a huge distance in the atomic world, the example given is if the ions were the size of soccerballs they would be 5 kilometers away from each other.
So quantum entanglement is cool because it ties to atoms or electrons or some particle together so that even when seperated, by manipulating one of the particle the other responds in the same way. They share some kind of mystical almost magical bond.
Now the application of this technology is really endless, but still in its infancy. The first goal would be quantum computers, this means calculations that are instant and beyond anything we could possibly develop today.
This is because quantum entanglement breaks the rules so to say, it doesn't obey the standard classical physics that governs our modern world and modern technology.
The fun, dream application would be building things out of entangled particles and say manipulating them on the moon from earth instantaneously...
A really cool concept that is now given a new breath of air thanks to the scientists at the National Institute of Standards and Technology (NIST).
That's the Scoop.
post.script. pop sci