Quantum Zero Stone. A simplified version of the thought experiment, attributed to David Bohm, considers the decay of a particle known as the pi meson. When this particle decays, it provides an electron along with a positron which have reverse spin and are moving faraway from each other. For instance, https://preniumdirectory.com/listings12777309/quantum-entanglement-how-quantum-can-save-you-time-stress-and-money