In 1974, philosopher Robert Nozick wrote about an imaginary machine capable of providing happy experiences that were indistinguishable from real-life possibilities in his book “Anarchy, State, and Utopia”....

We haven’t fully accepted the idea of a metaverse, yet it’s already being commercialized to increase milk production. How? On Jan. 6, Turkish farmer Izzet Kocak placed his cows in a metaverse to trick...