Quantum non-locality is the phenomenon where particles can affect each other even at vast distances. This is a fundamental aspect of quantum mechanics.
But what does it mean for you? Well, it means that your actions have consequences that can ripple across the cosmos. So, be careful what you eat for breakfast, or you might just create a black hole in the space-time continuum.
Want to learn more? Visit our sister site, Many-Worlds-Interpretation.com, for the ultimate guide to the multiverse.