Pic unrelated because it's a new computer but sus up my reaction to this.

So basically they violated the Heisenberg Uncertainty Principle, by sidestepping it. They can measure a particle's momentum in a group of them, and infer the other group of particles' position, after making both groups entangled by hittingthem with photons.

1. What did they do to prepare the photons?
2. Could this be use, potentially, for a loophole in the rule that quantum entanglement can't be used for FTIL information transfer?