Commentary The metaverse is coming. Imagine users jumping into a virtual reality (VR) mountain lake that feels cold, wet, and buoyant. They “swim” across the lake, using their own arm movements, emerge flying into clouds warmed by a volcano, and bump into an AI-powered Einstein ready to field questions about relativity. To give the feeling of reality to that scene, developers at Facebook, now called Meta, along with competitors at Apple, Google, and Microsoft, are creating more than the standard headset and hand controllers. A metaverse suit that gives the illusion of touch and temperature has now grown from a “haptic finger” to a “haptic glove.” The ultimate metaverse experience will include rooms in which users’ actual bodies are immersed in water or engaged in indoor skydiving. Metaverse users choose a 3D animated representation of themselves, or someone they would like to be, called an avatar. They strap on a …